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Manual Chaparral K5312/K7313

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  • Chaparral K5312/K7313 - page 1

    G- and K-Series External RAID Board Controller G5312/G7313 K5312/K7313 User ’ s Guide ...

  • Chaparral K5312/K7313 - page 2

    ...

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    i Copyright ©1999, 20 00 Chaparr al Network St orage, Inc. Docume nt Number: 07-0033-003 This docum ent cov ers G5312, G731 3, K5312 , and K7313. All rights re served. No pa rt of this public ation may be reproduced without the prior written consent of: Chap arral Netw ork Sto rage, In c. 7420 E. Dr y Creek Par kway Longmo nt, Color ado 80503 http ...

  • Chaparral K5312/K7313 - page 4

    ii ! Connect the equip ment to a n outlet on a circuit differe nt from tha t to which the receive r is conne cted. ! Consult th e dealer or an experienc ed rad io/telev ision technici an for he lp. ! Use a shield ed an d pro perly groun ded I /O cab le and powe r cable to ens ure co mpli ance of th is unit t o the sp ecifi ed li mits of the r ules ...

  • Chaparral K5312/K7313 - page 5

    iii Contents 1 Introduction About This Guide 1-1 Convent ions 1-2 Product Feat ures 1-2 Motherbo ard CPU Su bsys tem (G-Seri es) 1-2 Motherboard Ultra2 SCSI Channels (G-Series) 1-2 Motherboard Disk Cache (G -Series) 1-3 Battery Interface ( G-Series) 1-3 Hardware C onfigurati on and Manage ment Sup port (G-Series) 1-3 Onbo ard C onne ctor s (G-S eri ...

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    G- and K- Series User ’ s Guide iv Environmental (K-Series) 1- 11 Battery (K-Series) 1-12 Reference Documents 1-13 External Documents 1-13 Chaparral Documents 1-13 2 Hardware I nstallation Connect ing the Co ntroller 2-1 Connectin g to the SCS I Port 2-1 Connecting t o the Fibre C hannel Port 2-1 Connect ing to t he RS-232 Po rt 2-2 3 Accessing t ...

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    Contents v 5 Monitoring System Status Displaying the Event Log 5-1 Viewing the Most Recent Even t 5 -2 Viewing One Event at a Time 5-2 Viewing a Whole Screen of Ev ents 5-4 Capturin g the Event Log Fi le 5-4 Displa ying Hardware and Con figurati on Information 5-5 Displaying Overall Statistics 5-11 Resetting Overall Stati stics 5-14 6 Managing Spar ...

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    G- and K- Series User ’ s Guide vi Config uring LUN Zoning 7-15 Changing t he Sampl e Rate 7-17 Changing the Alarm Mute Settin g 7 -18 Locking the Cache Setting 7-20 Enabling and D isabling the Battery 7-21 Changing the Utility Priority 7-22 Rescanni ng All Chan nels 7-23 Pausi ng I/O 7-24 Restor ing De fault Setti ngs 7-25 Upgrading Firmware 7 - ...

  • Chaparral K5312/K7313 - page 9

    Contents vii Device SCSI Ch annel Pro blems 9-4 Probl ems During Bootup 9-4 Contro ller Prob lems 9-5 Warning And Error Events 9-6 Warnin gs 9-7 Errors 9-8 Using the Loader Diagn ostics Menu 9-9 Using the Loader Utility Menu 9-9 Underst anding S CSI Error s 9-9 Disk Errors 9-9 Disk Chann el Errors 9-11 Voltage and Temperature Errors and Warning s 9 ...

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    G- and K- Series User ’ s Guide viii ...

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    1-1 1 Introduction This User ’ s Guide explains how to install and use the C haparral G- and K-Series External RAID Controllers , which are designed to be installed in a RAI D enclosure and used with a ho st system t o provi de a powerfu l disk subs ystem. The G5312 an d K5312 RAID controllers ar e fault-tolerant SCSI-to-SCSI RAID controllers tha ...

  • Chaparral K5312/K7313 - page 12

    G- and K- Series User ’ s Guide 1-2 Conventions This Guide uses several typ ographical co nventions to help exp lain how to use the controller . Prod uct Fea tures The following sections describe the features of the G- and K-Series RAID controllers. Motherboard CPU Subsys tem (G-Series) ! Am5 x 86-133 MHz process or with internal 16 KB L1 unified ...

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    Introduction 1-3 ! Supports full backward compatibility for asynchronous, fast, Ultra 1, and Ultra2 SCSI (80 MB/sec) ! SCSI terminators and term ination power sources mus t reside in the enclo sure subsy stem Note: Ther e is no suppor t for high -voltage dif ferential (HVD) SCSI (RS-485 S CSI-3 compliant). Motherboard Disk Cache (G-Series) ! Adapte ...

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    G- and K- Series User ’ s Guide 1-4 ! General purpos e I/O for enclos ure-specific fun ctions to backplan e connector interface ! SAF-TE s upport f or enclos ure managem ent. Onboard Connectors (G-S eries) ! 2-pin fan connec tor (fused 1 2.0 V) ! 3-pin battery pack co nnector ! 6-pin status/fault/backup LED connector Daughterboard (G-Series ) The ...

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    Introduction 1-5 ! Supports full backward compatibility for asynchronous, fast, Ultra 1 (40 MB/sec), and Ultra2 SCSI (80 MB/sec) ! Onboard Ultra2 SCSI terminator s supporting auto-detection and auto- configurat ion for L VD/ SE ! Onboard termina tion power sour ce circuit breakers Note: Ther e is no suppor t for high -voltage dif ferential (HVD) SC ...

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    G- and K- Series User ’ s Guide 1-6 Hardware Configuration a nd Management S upport (K-Series) ! RS-232 serial por t for configura tion and troubl eshootin g ! Analog-to-digital con verter for power , temperature, and enclosur e monitoring ! Onboard standard PC-type lithium battery for continuous Real-Time Clock (R TC) power when the unit is shut ...

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    Introduction 1-7 Specifications The following s ections describe the physical, electrical, env ironmental, and battery specifications of the G- and K-Series. Physical (G-Series) T able 1- 1 shows the phys ical specifi cations of the motherbo ard and daughterbo ard: Electrical (G-Series) T able 1-2 shows the electrical specifications of the controll ...

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    G- and K- Series User ’ s Guide 1-8 Environmental (G-Series) T able 1-3 shows the env ironmental specifications o f the controllers: <-6. 5%, >+ 10.0 C ont roller shut down (failure) <4. 67 Vd c, 5.5 Vdc +12V +12 Vdc 0.6A m ax ba ttery charging 0.1 A typi cal normal operati on 0.2 A max no rmal oper ation A/D Monit oring ±10.0 % nor mal ...

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    Introduction 1-9 Battery (G-Series) T able 1-4 sh ows the s pecifications of the G5 312/G7313 battery avai lable from Chaparral: A fully cha rg ed batter y can pro vide a mini mum of 72 h ours backup time u sing all ranges of DIMM sizes. Replace ba tteries only with the same type as provided by the manufacturer . Dispose of batteries accord ing to ...

  • Chaparral K5312/K7313 - page 20

    G- and K- Series User ’ s Guide 1-10 Physical (K-Series) T able 1-5 shows t he physical specificatio ns of th e motherbo ard and daug hterboard. Electrical (K-Series) T able 1-6 shows the electrical specifications of the controller s. T a ble 1-5 . Physic al Specifi catio ns Item Specific ations Mot herboard Form fact or: 4. 95 x 7.34 inch moth e ...

  • Chaparral K5312/K7313 - page 21

    Introduction 1-1 1 Environmental (K-Series) T able 1-7 shows the env ironmental specifications o f the controllers. A/D M onito ring ± 8.0% norm al o perat ion 1 1.04 Vdc to 12 .96 Vdc ± 10.0% de graded mo de (wa rning alert) (10. 8 Vd c) (1 3.2 Vd c) >± 10.0% co ntroll er shutdo wn (fail ure) 14.4 Vd c Batter y 0.4 A max cha rging current 0. ...

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    G- and K- Series User ’ s Guide 1-12 Battery (K-Series) T able 1-8 shows the s pecifications of the batte ry available from C haparral. Note: Outside these limits the battery life will be diminish ed. If you mu st store the battery for a long time, y ou should take certain precautions to ensure the battery h as suf ficient char ge when you r etur ...

  • Chaparral K5312/K7313 - page 23

    Introduction 1-13 Reference Do cuments External Documents ! Adaptec’ s AIC-7890 /91 and AIC -7896, PCI Bus Master Single-ch ip L V DS Ultra II ASIC Data Book ! Adaptec’ s AIC-1 160, PCI Bus Mast er Single-chip Fibre Channel Data Book ! SCSI-2 and SCSI-3 Specification - ANSI standard documents ! Fibre Channel Physical and Signaling Inter face (F ...

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    G- and K- Series User ’ s Guide 1-14 ...

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    2-1 2 Hardware Installation This chapter explains how to connect the controller in your RAID enclosure to your netw ork a nd host c ompu ter . Connecting the Controll er Y o ur controller is already installed in an enclosure. Before you config ure the controll er and creat e arrays, you must co nnect the cont roller , which has t wo types of data c ...

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    G- and K- Series User ’ s Guide 2-2 T o connect to the Fibre Channel port: 1 Be sure the enclos ure power is turned of f. 2 Connect one end of the Fibre C hannel cable to the FC port o n the enclosure. 3 Connect the othe r end of the Fibre Channel cable to a server’ s HBA or to an arbitrated loop hub or fabric switch. 4 T urn p ower on an d beg ...

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    Hardware Installation 2-3 T o connect to the RS-232 port: 1 Be sure the enclos ure power is turned of f. 2 Using a straight-thro ugh serial cable, conn ect one end o f the cable to the ser ial port on the enclos ure. 3 Connect the oth er end of the s erial cable to the serial po rt on the compu ter that will monitor and configure the controller . 4 ...

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    G- and K- Series User ’ s Guide 2-4 ...

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    3-1 3 Accessing the Disk Array Administ rator Softwa re Y o u can dis play and ch ange a variety of setti ngs using the Disk Array Administ rator software. Using the Disk Array Administrator, you can: ! Create and mange arr ays (see Ch apter 4, Cr eating and Man aging Arra ys ) ! Monitor sy stem stat us (see Ch apter 5, Monitoring Sys tem Status ) ...

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    G- and K- Series User ’ s Guide 3-2 Set the communications parameters for the terminal program as follows: T o acces s the Disk Array Administrator softwar e using the RS-232 serial port : 1 From the computer con nected to the controller , start your terminal emulation software. Be sure that y our terminal emu lation software is set to us e the c ...

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    Acces sing the Disk Array Adm inistrator Software 3-3 3 Press Enter . The System Menu disp lays. Y o u can now perform all o f the fun ctions des cribed in fo llowing ch apters. All steps star t from the Syst em Menu. If an alar m condition has occurred, you will see a message ab out the pr oblem. This message will also be stored in the event log. ...

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    G- and K- Series User ’ s Guide 3-4 Note: After f our minutes of inactivity , th e Disk Array Administrator software times out and returns to the initial screen. Changing the Screen Dis play After you hav e accessed the Disk Array Administrator software, you ca n change the screen di splay u sing a com bination of keystrok es, as shown o n the Sy ...

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    Acces sing the Disk Array Adm inistrator Software 3-5 Figur e 3-1 . Menu tree ...

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    G- and K- Series User ’ s Guide 3-6 Figure 3-2 . Menu tree (cont inued) ❒ ...

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    4-1 4 Creating and Managing Arrays Using the Disk Array Administrator , you can create and manage arr ays. Y ou can perform the following array-related functio ns: ! Create arrays (see page 4-1) ! V iew array and drive s tatus (see page 4-8 ) ! Stop the initialization p rocess (see page 4-14) ! V erify an array (s ee page 4-15) ! Reconstruct an arr ...

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    G- and K- Series User ’ s Guide 4-2 Note: Bef ore you create more than one array , you must be sur e that your host operating system su pports multip le Logical Unit Numbers (LUNs). Most operating sy stems do, or hav e an option you can enable to support multiple LUNs. If your operating system does not support multiple LUNs, the host will only be ...

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    Creating and Manag ing Arrays 4-3 If you d o not wa nt to name the array , you can j ust pr ess Enter . Y ou can add or change the name later . The LUN screen di splays. 3 Select the LUN for the array and pres s En ter . The LUN that displays is the suggest ed default LUN assignment. If the letters OV appear bef ore a LUN, it indicates that the s e ...

  • Chaparral K5312/K7313 - page 38

    G- and K- Series User ’ s Guide 4-4 The RAID T ype s creen dis plays. 4 Select the array type: RAID0 , RAID3, RA ID4, R AID5, RAID5 0, VOLUME (a single drive similar to just a bunch of disks (JBOD) except that it inclu des metadata), or MIRRORED and press Enter . Note: A RAID 1 0 array is created when there are mo re than two drives in a mirrored ...

  • Chaparral K5312/K7313 - page 39

    Creating and Manag ing Arrays 4-5 5 Enter the n umber of dr ives (excluding spar es) you want in the array an d press Enter . The Select Drives screen dis plays with a list of all available drives, including the following info rmation about each d rive: – Channel –S C S I I D – Drive capacity – Drive manufacturer – Drive model num ber – ...

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    G- and K- Series User ’ s Guide 4-6 7 If the Number of Spares screen dis plays, enter the num ber of spares you want to add and pr ess Ente r . This creates dedicated spares that can only b e used by this arr ay . A dedicated spare drive will not be available for any other use. For more information about spares, see Chapter 6, Managin g Spar es . ...

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    Creating and Manag ing Arrays 4-7 appropriate chunk size, refer to your operating s ystem documentation . For example, th e default chun k size fo r W indo ws NT and m any other o perating systems is 6 4 KB. If you are u sing the array for a database with ve ry small records, y ou may want to us e a smaller chunk size. The system conf irms that you ...

  • Chaparral K5312/K7313 - page 42

    G- and K- Series User ’ s Guide 4-8 Managing Arrays The Disk Array Admini strator softwar e lets you manage you r arrays i n a variety o f ways. Y ou can: ! V iew array and drive s tatus (see page 4-8 ) ! Stop the initialization p rocess (see page 4-14) ! V erify an array (s ee page 4-15) ! Reconstruct an arra y (see page 4 -17) ! Expand arra y c ...

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    Creating and Manag ing Arrays 4-9 ! WBcache—Status of the write-back cache (enabled or disabled) for this array . ! Created—Date the array was created. ! Utility—Utility running (None, V erify , Reconstruct, Expand, or Initialize). T o view the stat us o f an array: 1 From the System Menu, select Array Menu and pres s Enter . The Select Array ...

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    G- and K- Series User ’ s Guide 4-10 3 Select Array Status and press Enter . The status screen displays showing the s tatus of the array you selected. 4 Press Esc to return to the Array Menu. V iewing Array Statisti cs Y o u can view the curren t array statistics. The fo llowing statistics are available: ! Read—T otal number of h ost read requ ...

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    Creating and Manag ing Arrays 4-1 1 2 Select the array you want and press Enter . The Array Menu screen displays. 3 Select Array Statis tics and press Enter . The statistics menu screen displays. 4 Select V iew Statistics and press Enter . The statistics screen displays showing the statistics of the array you selected. 5 Press Esc to return to the ...

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    G- and K- Series User ’ s Guide 4-12 Resetting Array Statistics Y o u can reset the follow array statistics to zero: ! Read ! W rite ! SecRd ! SecWt ! I/O Size Note: R esetting statistics here also resets th e statistics for this array that are included in the aggreg ate statistics. See Displaying Over all Statistics on page 5- 1 1. Y o u may wan ...

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    Creating and Manag ing Arrays 4-13 V iewing Drive Sta tus Y o u can view the status of the drives in an array , including the following infor mation: ! Drive number—This drive’ s sequential position in the controller ’ s d rive list ! Drive status—Whether the drive is up or down ! Channel number—Ba ck-end dis k bus nu mber ! Ta r g e t I ...

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    G- and K- Series User ’ s Guide 4-14 The drive statu s screen displays s howing the drives that are members of the array and that ar e assigned as ded icated spares. Use the ↑ or ↓ arrow keys to scroll thr ough the drives. These are the drives that are currently mem bers of the ar ray . 4 Press Esc to return to the Array Menu. Stopping the Ar ...

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    Creating and Manag ing Arrays 4-15 V erifying an Ar ray The V erify function allows y ou to verify the d ata on the specified array (RAID 3, RAID 4, RAID 5, RA ID 50, and mirror ed arrays only): ! RAID 3, RAID 4, RAID 5, and R AID 50—V erifies al l parity bl ocks i n the selected array an d corrects any bad parity . ! Mirrored—Comp ares the pri ...

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    G- and K- Series User ’ s Guide 4-16 4 Select Start V erify and pres s En ter . V erification b egins and the percentage of veri fication completed di splays. Y ou can continue to u se the array du ring verification. T o return to the verification m enu, pres s Esc . T o check the progress of the arr ay verificat ion, you can use t he verificatio ...

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    Creating and Manag ing Arrays 4-17 Stopping t he V erificati on Y o u can stop the verification process. Normally , you want to let the verification finish, thou gh stop ping it does not cause an y damage to your data. Y o u may want to stop th e verificatio n if you w ant improve performan ce of the cont roller f or another application. T o stop t ...

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    G- and K- Series User ’ s Guide 4-18 Expanding Array Capac ity Y o u can expand array capacity witho ut stopping I/O activity , so you can co ntinue using the array while the exp ansion proces s runs. Y ou can only ex pand one ar ray at a time. Note: Exp anding an array here does not change the size of the host operating system partitions that re ...

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    Creating and Manag ing Arrays 4-19 T o expand an array: 1 From the System Menu, select Array Menu and pres s Enter . The Select Array screen displays with a list of existing arrays. 2 Select the array you want and press Enter . The Array Menu screen displays. 3 Select Expa nd Fu ncti on and pr ess Enter . The expand menu disp lays. 4 Select Start E ...

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    G- and K- Series User ’ s Guide 4-20 6 Press Enter . The list of available drives sc reen displays. 7 Select the drives you want to add from the lis t of available dr ives and pres s Enter . Only available drives, that is , drives that are not mem bers of an array a nd are not assigned as a d edicated or pool s pares, display . Y o u select a dri ...

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    Creating and Manag ing Arrays 4-21 3 Select Expa nd Fu ncti on and pr ess Enter . The expand menu disp lays. 4 Select V iew Expand Sta tus and pr ess Enter . The Expa nd Status screen displa ys. 5 Press Esc to return to the expand menu. Changing the Array LUN Y o u can change the LUN assigned to an array , as it appears under the controller’ s ta ...

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    G- and K- Series User ’ s Guide 4-22 Changing the Array Name Y o u can change the name of the array . This does not af fect the tar get ID or LUN values of the array . The controller does not allow you to change an array name when a utility is running. T o change the a rray name: 1 From the System Menu, select Array Menu and p ress Ente r . The S ...

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    Creating and Managing Arrays 4-23 Caution: The trust array feature can cause unstable operation an d data loss if used improperly . This feature is intended for disaster recover y . T o trust an arra y: 1 From the System Menu, select Co nfigurat ion Menu and press Enter . The Confi guration Menu di splays . 2 Selection Op tion C onfigura tion and p ...

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    G- and K- Series User ’ s Guide 4-24 Deleting an Array Y o u can delete an array when you no longer need the array or you need the drives for another use. Caution: Deleting an array deletes the data contained in the array; however , before reusi ng the drives, you should do a low-l evel for mat on each drive. Note: Y ou cannot delete an array whi ...

  • Chaparral K5312/K7313 - page 59

    5-1 5 Monitoring System Status Y o u should monitor your s ystem regularly to ensure that the co ntroller , disks, and arrays are work i ng pr operly . The Disk Array Administra tor software le ts you moni tor the status several way s : ! Event log (see below) ! Hardware information (s ee Displaying H ar dwar e and Configurat ion Information on pag ...

  • Chaparral K5312/K7313 - page 60

    G- and K- Series User ’ s Guide 5-2 ! Array critical ! Arra y offl ine ! T emperature warning ! T emperature failure ( this leads to a shutd own which is also logged) ! V oltage warning ! V oltage failure (this leads to a shutdown which is also logged) The event log s tores the most recent 400 events. Events are numbered sequ entiall y from 001 t ...

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    Monitoring Sy stem Status 5-3 T o disp lay one event at a tim e: 1 From the System Menu, select Event Log Me nu and press Enter . The Event Log Menu screen displays . 2 Select V iew Event Log and press Enter . The Event Log screen displays the last event that o ccurred. 3 Press ↑ to see the previou s event. Y o u can continue to view earlier even ...

  • Chaparral K5312/K7313 - page 62

    G- and K- Series User ’ s Guide 5-4 Viewing a Whole Screen of Events Y o u can also view events from the log file a who le s creen at time. This let s you quickly review all recent ev ents . The events d isplay in chronological o r der , that is, the most recent event is last. T o display a whole screen of events: 1 From anywhere in the Disk Arra ...

  • Chaparral K5312/K7313 - page 63

    Monitoring Sy stem Status 5-5 2 From the T ransfer menu in HyperT erminal, select Capture T ext. The Capt ure T ext window displays. 3 Enter the path and file name you want to use to store the log file contents. 4 Click Start . 5 Press P on the keybo ard to begin the transfer . 6 From the T ransfer menu in HyperT erminal, select Capture T ext. The ...

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    G- and K- Series User ’ s Guide 5-6 Contro lle r LUN SOFT , NONE, or specific number as set in th e Dis k Array Administrator software. T o pology (G7313 an d K7313 only ) Always Loop.* Node WWN (G7313 an d K7313 only ) FC W or ld Wide Name for n ode. Port WWN (G7313 an d K7313 only ) FC W or ld Wide Name for port. FC Add r (G7313 an d K7313 only ...

  • Chaparral K5312/K7313 - page 65

    Monitoring Sy stem Status 5-7 CHAN 1 Initiator ID SCSI ID of controller on Channel 1 as set in the Disk Array Administrator software. Ultra/U2 Hardware runs as Ultra2. CHAN 2 Initiator ID SCSI ID of controller on Channel 2 as set in the Disk Array Administrator software. Ultra/U2 Hardware runs as Ultra2. CON TROLL ER Bac koff P ercen tage se t in D ...

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    G- and K- Series User ’ s Guide 5-8 * If you have installed the new optional Fibre C hannel interface upgrad e, you can also use the Point-to-Point topology . T o display hardwar e informatio n only: 1 From the System Menu, select Utili ties Menu and press Enter . The Utilities Menu screen displays. SEP Poll Rate Num ber of seco nds as set in the ...

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    Monitoring Sy stem Status 5-9 2 Select Hardware I n formation and press Enter . The Hardware Inf ormation screen displays. 3 Press Esc to return to the Utilities Menu. ...

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    G- and K- Series User ’ s Guide 5-10 T o display hardwa re and configuratio n information : 1 From anywhere in the Disk Array Administrator so ftware, press CTRL-E . The first screen o f events from the event log displays . 2 Press CTRL-E again. The Hardware Inf ormation screen displays. 3 Press CTRL-E again. Y o u can press Esc to retu rn to the ...

  • Chaparral K5312/K7313 - page 69

    Monitoring Sy stem Status 5-1 1 Displaying Ov erall Statistics Y o u can display two types of agg regate statistics for all array LU Ns: ! General statistics (Similar stat istics are also available for individual array LUNs. For more information, see V iewing Array Statis tics on pag e 4-10.) – I/O operations per secon d (IOPS) – Bandwidth (in ...

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    G- and K- Series User ’ s Guide 5-12 T o acces s the general array s tatistics: 1 From the System Menu, select Utili ties Menu and press Enter . The Utilities Menu screen displays. 2 Select Overall Statistics and press Enter . The Overall Statistics screen displays. 3 Select V iew Statistics and press Enter . The V iew Statistics screen displays. ...

  • Chaparral K5312/K7313 - page 71

    Monitoring Sy stem Status 5-13 T o acces s the read/write histog ram: 1 From the System Menu, select Utili ties Menu and press Enter . The Utilities Menu screen displays. 2 Select Overall Statistics and press Enter . The Overall Statistics screen displays. 3 Select V iew R/ W Histogram and pr es s Enter . The V iew R/W Histogram screen d isplays. 4 ...

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    G- and K- Series User ’ s Guide 5-14 Resetting Overall Statis tics Y o u can also reset all of the overall statistics back to zer o. Y ou may want to reset the statisti cs if you are monit oring performan ce or doing benchmar k testing. Note: Resetting st ati stics here also resets the s tatistics for each indi vidual array . See V iewing Array S ...

  • Chaparral K5312/K7313 - page 73

    6-1 6 Managing Spares Chaparral RAID controllers automatically reconstruct redundant (fau lt-tolerant) arrays (R AID 3, RAID 4, RAID 5, RAID 50, and mirrored) if an array becomes critical and a properly s ized spare drive is available. An array b ecomes critical when one or mor e member drives fails. Y o u can set up two t ypes of spare drives: ! D ...

  • Chaparral K5312/K7313 - page 74

    G- and K- Series User ’ s Guide 6-2 While using a dedicated s pare is the mo s t secure way to provide spar es for your arrays, it is also expensive to keep an idle drive assigned to each array . An alternative method is to assign o ne or mo re idle drives to the s pare pool. See Managing the Spar e Pool on page 6-5. Adding a Dedicated Spa re Y o ...

  • Chaparral K5312/K7313 - page 75

    Managing Spares 6-3 Deleting a Dedi cated Spare Y o u can delete a dedicated spare drive fro m an array at any ti me. T o delete a dedicated spare drive: 1 From the System Menu, select Array Menu and p ress Ente r . The Select Array screen displays with a list of existing arrays. 2 Select the array you w ant and pres s Enter . The Array Menu screen ...

  • Chaparral K5312/K7313 - page 76

    G- and K- Series User ’ s Guide 6-4 T o enable dynamic spar es : 1 From the System Menu, select Co nfigurat ion Menu and press Enter . The Confi guration Menu screen displays . 2 Select Option Conf iguration and press En ter . The Option Configuration screen displays. 3 Select Dynamic Spare Config uration and press Enter . The Dynamic Spar e C on ...

  • Chaparral K5312/K7313 - page 77

    Managing Spares 6-5 Managing th e Spare Pool The spare p ool lets you ha ve one or more disk dr ives available for the reconstruction of redund ant arrays (Mirrored [RAID 1 and RAID 10] and Par ity [RAID 3, RA ID 4, RAID 5, and RAID 50]) arrays. O nce you as sign a dri v e to the s pare pool, it is not available for us e as an array member or as a ...

  • Chaparral K5312/K7313 - page 78

    G- and K- Series User ’ s Guide 6-6 2 Select Add Pool Sp are and pres s Enter . The Select Drives screen displays . 3 Select each spare drive yo u want to add and press Enter . Deleting a Spar e from the Spare Pool Y o u can delete a spare from the spare po ol at any time. T o delete a sp are fr om the spare p o ol: 1 From the System Menu, select ...

  • Chaparral K5312/K7313 - page 79

    Managing Spares 6-7 Displaying the Spare Po ol Y o u can display a list of the all of the pool spares. T o display t he spare p ool: 1 From the System Menu, select Pool S par e Menu and press Enter . The Pool Spare Menu s creen displays. 2 Select Displ ay Pool Spar es and press Enter . The Display Pool Spare screen d isp lays listing all disk drive ...

  • Chaparral K5312/K7313 - page 80

    G- and K- Series User ’ s Guide 6-8 ...

  • Chaparral K5312/K7313 - page 81

    7-1 7 Configuring the Controller The Disk Array Administrator l ets yo u configure settings and perform a variety of functions on the controller . Y o u can: ! Reboot the controll er (see page 7-1) ! Change the date and time (see page 7-2) ! Change the LUN and tar get ID or FC Loop ID (see p age 7-4) ! Configure the SCSI channels (see pa ge 7-9) ! ...

  • Chaparral K5312/K7313 - page 82

    G- and K- Series User ’ s Guide 7-2 Caution: Anyone acces s ing an array when you shut down the co ntroller will lose access and may lose data. T o shut down and r estart the contr oller: 1 From the System Menu, select S hutdown/R estart and press Ente r . The syst em confirms that yo u want to shut down. 2 Select Ye s and pres s Enter . The syst ...

  • Chaparral K5312/K7313 - page 83

    Configuring the Controller 7-3 3 Select Set Date and press Enter . The Set Date s creen displays. 4 Enter the d ate you want and p ress En ter . Enter the date in the following format: MM/DD/YYYY . The system conf irms that you want to make the chan ge. 5 Select Ye s and pres s Enter to make the changes. The system conf irms that the changes are ma ...

  • Chaparral K5312/K7313 - page 84

    G- and K- Series User ’ s Guide 7-4 3 Select Set Time and press Enter . The Set T ime screen displays. 4 Enter the time you want and press Enter . Enter the time in the following format: hh:mm:ss. The system conf irms that you want to make the chan ge. 5 Select Ye s and pres s Enter to make the changes. The system conf irms that the changes are m ...

  • Chaparral K5312/K7313 - page 85

    Configuring the Controller 7-5 ! Control ler LUN—Y ou only need to assi gn a controller LUN i f you are using the Configuratio n Application Program Interface (CAPI) to conf i gure the con t roller over a hos t channel via SCSI protocol extensio ns. If you are not u sing CAPI, you can set the controller LUN to NONE. If y o u are using CAPI, you c ...

  • Chaparral K5312/K7313 - page 86

    G- and K- Series User ’ s Guide 7-6 Changing the Controller ’ s T arget ID and LUN Y o u can change the controller’ s target ID or L UN, if necessary: ! T arget ID—This is either the SCSI target ID for th e G5312 or K5312 or the controll er ’ s FC Loop ID fo r the G7313 or K731 3. – SCSI tar get ID—Y ou may need to change con t roller ...

  • Chaparral K5312/K7313 - page 87

    Configuring the Controller 7-7 – Any number between 0 and 7—Select a specific number i f you want th e controller ’ s LUN to stay the same when you reboot. T o change the co n tro l ler’s target ID and LUN: 1 From the System Menu, select Co nfigurat ion Menu an d press Ente r . The Confi guration Menu screen displays. 2 Select Host Co nfigu ...

  • Chaparral K5312/K7313 - page 88

    G- and K- Series User ’ s Guide 7-8 The Controller LUN screen displays. 5 Select the o ption or number yo u want to us e. The system conf irms that you want to make the chan ge. 6 Select Ye s and pres s Enter to make the changes. Keep the same Loop ID for the channel at al l times ! Selec t the [Loo p ID] you wa nt to use and pre ss Enter . This ...

  • Chaparral K5312/K7313 - page 89

    Configuring the Controller 7-9 Configuring the SCSI Channels Y o u can change two channel conf i guration op ti ons for each channel: ! Channel speed—Y ou can change the ch annel speed for each S CSI channel on the controller . Y ou can select Ult ra or Ultra2. This is helpful if you are troubles hooting a problem o n the channel or if you have l ...

  • Chaparral K5312/K7313 - page 90

    G- and K- Series User ’ s Guide 7-10 3 Select the channel you w ant and pres s Enter . The Ultra/U2 screen di splays.The current s etting is marked w ith an * next to it 4 Select the setting you want and press Enter . The initiator ID screen displays showing the current initiator ID. 5 Select the initiator ID you want and press Ente r . The syste ...

  • Chaparral K5312/K7313 - page 91

    Configuring the Controller 7-1 1 W o rking w ith LU N Zonin g The controller’ s LUN zoning capability lets you specify which s ervers (h osts) can access each array . This giv es you complete control of ar ray access based on you r specific needs. LUN zon ing is only available on the G7313 and K7 313 models. Figure 7-1 shows an example of how yo ...

  • Chaparral K5312/K7313 - page 92

    G- and K- Series User ’ s Guide 7-12 Vi ewing Known WWNs Y o u can view a list of all server (hos t) WWNs that the controller is aware o f on your SAN. The controller will be aware o f any server that was booted si nce the controller was last restarted. T ypically , servers scan for devices d uring their device discov ery process. When this happe ...

  • Chaparral K5312/K7313 - page 93

    Configuring the Controller 7-13 3 Select Display H ost Li st and press Enter . The Disp l ay Hos t List screen dis plays showing al l WWNs known to the controller . The WWNs are listed according the when they were booted. The most recently b ooted server (hos t) is listed first Note: A ho sts WWN can be placed at the top of the known hosts list whe ...

  • Chaparral K5312/K7313 - page 94

    G- and K- Series User ’ s Guide 7-14 Creating Names (Aliase s) for Server WWN s Y o u can give the servers on y our SAN names (aliases) th at you can eas ily recognize to make LUN zoning easier to manag e. F or example, yo u can use the computer name that has already been assigned to each server . Y o u can determine which WWN is for which s erve ...

  • Chaparral K5312/K7313 - page 95

    Configuring the Controller 7-15 Note: If you have not manual ly assigned a WWN an al ias, the controller will attempt to give the WWN a default name. The default name, if available, is the name of the manufacturer of the s erver ’ s host bus adapter (HBA), enclosed in an gle brackets. For example, a Qlogic HBA will have a default nam e of <Qlo ...

  • Chaparral K5312/K7313 - page 96

    G- and K- Series User ’ s Guide 7-16 3 Select LUN Zonin g and press En ter . The LUN Exclu de List or LUN Inc l ude List s creen displays. The defaul t setting for each array LUN is Include All Hosts. This results in all servers (hosts) being able to access all ar rays. Y ou can change the list type using the Change Zone T ype option. See the nex ...

  • Chaparral K5312/K7313 - page 97

    Configuring the Controller 7-17 Include All H osts —Permits all servers (hosts) on the network to access the selected array . This is the default zone type. This results in all servers (hosts) being able to acces s all arrays. If yo u have already created an include o r exclude list, you can use this option to override the list . Y o ur existing ...

  • Chaparral K5312/K7313 - page 98

    G- and K- Series User ’ s Guide 7-18 Changing t he Alarm Mute Sett ing Y o u can enable or disable the audible alarm that sounds when the controller becomes too hot, detects low or high voltage, or an array becomes critical or of fline. Changing the mute setting lets you turn off the alarm when it is sounding. Y o u should turn it back on after r ...

  • Chaparral K5312/K7313 - page 99

    Configuring the Controller 7-19 T o enable or d isable the alarm : 1 From the System Menu, select Co nfigurat ion Menu an d press Ente r . The Confi guration Menu screen displays. 2 Select Alarm Mute and press Enter . The Alarm Mute scre en displays. The current setting is marked with an * next to it. 3 Select the o ption you want and press Enter . ...

  • Chaparral K5312/K7313 - page 100

    G- and K- Series User ’ s Guide 7-20 Locking th e Cache Setting Y o u can prevent host systems from using SCSI mod e select commands to change th e controller ’ s write-back cache setting. Some operating systems disable write cache. If cache lock is enabled, the h o st cannot modify the cache setting. The default setting is disab led. This opti ...

  • Chaparral K5312/K7313 - page 101

    Configuring the Controller 7-21 3 Select Cache Lock and press Enter . The Cache Lock screen displays. The current s etting is marked with an * next to it. 4 Select the o ption you want and press Enter . Enabling and Disabling the B attery If you are no t usin g a battery in you r controller , the contr oller will soun d an alarm. T o eliminate the ...

  • Chaparral K5312/K7313 - page 102

    G- and K- Series User ’ s Guide 7-22 3 Select Battery and press Enter . The Battery screen d isplays. The current s etting is marked wi th an * next t o it 4 Select the o ption you want and press Enter . Changing the Utility Priority Y o u can change the priority at which all utilities (V erify , Reconstruct, Expand, Initialize, etc.) run when th ...

  • Chaparral K5312/K7313 - page 103

    Configuring the Controller 7-23 T o change Utility priority: 1 From the System Menu, select Co nfigurat ion Menu an d press Ente r . The Confi guration Menu screen displays. 2 Select Utility Priority and press Enter . The Utility Priority screen displays. The current setting is marked with an * next to it. 3 Select the o ption you want and press En ...

  • Chaparral K5312/K7313 - page 104

    G- and K- Series User ’ s Guide 7-24 T o rescan al l ch annels : 1 From the System Menu, select Utili ties Menu and press Ente r . The Utilities Menu screen displays. 2 Select Rescan and press Enter . Pausing I/O Some drive enclosures allow you t o remove an d replace drives while SCSI bus activity continues; others do not. Refer to y our enclosu ...

  • Chaparral K5312/K7313 - page 105

    Configuring the Controller 7-25 T o pause I/O: 1 From the System Menu, select Utili ties Menu and press Ente r . The Utilities Menu screen displays. 2 Select Hot Sw ap Pause and press Enter . The Bus Paused scr een displays. 3 When you have replaced the dr ive, resume SCSI bus activity by press ing Esc . Caution: Do not stay in the Hot Swap Pause m ...

  • Chaparral K5312/K7313 - page 106

    G- and K- Series User ’ s Guide 7-26 T o restore the d efaul t s ettin gs : 1 From the System Menu, select Co nfigurat ion Menu an d press Ente r . The Confi guration Menu screen displays. 2 Select Restore Defaults and press Enter . The Restore Defaults screen displays. Th e selected option is marked with an * next to it. The system conf irms tha ...

  • Chaparral K5312/K7313 - page 107

    Configuring the Controller 7-27 T o upgrade the contr oller ’ s firmware: 1 Call Chaparral technical support for information about downloading the firmware updates. See Chapar ral T echnical Suppo rt on page 9-1. 2 From the computer con nected to the controller , access the Disk Array Administrator s oftware. See Chapter 3, Accessing the Disk Arr ...

  • Chaparral K5312/K7313 - page 108

    G- and K- Series User ’ s Guide 7-28 8 Using y our terminal emulat or software, send the .fla file us i ng KERM IT . If you are us ing HyperT erminal, select T ransfer | Send File , navi gate to wh er e the firmware upd at e file is located, select it, and cli ck Open . S elect the sa me Protocol from the drop-down list as you selected from the F ...

  • Chaparral K5312/K7313 - page 109

    8-1 8 Managing Disk Drives and Enclosures The Disk Array Administrator software lets you control a variety of f unctions related to disk dr ives and SAF-TE Environmen t al Processor (SEP) enclo s ures connected to your cont roller . ! For driv es, you can: – Display drive inf o rmation (see p age 8-2) – Clear metadat a from a dr ive (see page 8 ...

  • Chaparral K5312/K7313 - page 110

    G- and K- Series User ’ s Guide 8-2 Displaying Drive Informa tion Y o u can display two types of informat ion about disk drives: ! A list of all drives connected to the controller ! The status of all dr ives in an array Displaying All Drives Y o u can display a list of all drives connected to the controller . The information includes: ! Chan nel ...

  • Chaparral K5312/K7313 - page 111

    Managing Disk Drives and Enclosures 8-3 T o display all dri ves: 1 From the System Menu, select Di splay Drives and press Enter . The Display Drives screen displays. 2 Press Esc to return to the System Menu. V iewing Drive Sta tus Y o u view the status of the drives in an array , including th e following information : ! Drive number—This drive’ ...

  • Chaparral K5312/K7313 - page 112

    G- and K- Series User ’ s Guide 8-4 T o view drive s t atus: 1 From the System Menu, select Array Menu and p ress Ente r . The Select Array screen displays with a list of existing arrays. 2 Select the array you w ant and pres s Enter . The Array Menu screen displays. 3 Select Drive Status and press Enter . The Drive Status screen d is plays showi ...

  • Chaparral K5312/K7313 - page 113

    Managing Disk Drives and Enclosures 8-5 T o clear meta d ata fr om a drive: 1 From the System Menu, select Utili ties Menu and press Enter . The Utilities Menu screen displays. 2 Select Drive Utilities Menu and press Enter . The Drive Utilities Menu screen displays. 3 Select Clear Metadata and press En ter . The Select Drive screen d is plays showi ...

  • Chaparral K5312/K7313 - page 114

    G- and K- Series User ’ s Guide 8-6 2 Select Disk Configuration and press Enter . The Disk Configuration screen displays. 3 Select Write-back Cache and press Enter . The W rite-back Cache screen display s. The current setting is marked with an * next to it. 4 Select the o ption you want and press Enter . 5 Reboot or rescan to have your changes ta ...

  • Chaparral K5312/K7313 - page 115

    Managing Disk Drives and Enclosures 8-7 Displaying Disk Cache Status Y o u can display cache status of each disk d r ive. Any disk d rives with write-back cache enabled should be connected to a UPS in case of power failure. If the drives are not on a UPS and power is lost during disk writes, the array will lose any data in the disk’ s write-back ...

  • Chaparral K5312/K7313 - page 116

    G- and K- Series User ’ s Guide 8-8 4 Select a drive and pr es s Ente r . The cache status screen displays showing the status of the read and write cache. 5 Press Esc to return to the Drive Utilities Menu. Enabling and Disabling S MART Changes Y o u can enable or disable the ability to change the Self-Monitoring, Analysis and Report i ng T echnol ...

  • Chaparral K5312/K7313 - page 117

    Managing Disk Drives and Enclosures 8-9 3 Select SMART an d press Enter . The SMAR T screen displays. The current setting is marked with an * next to it. 4 Select the o ption you want and press Enter . 5 Reboot or rescan to have your changes take effect . See Rebooting the Controller on page 7-1 or Rescannin g All Chan nels on page 7 -23. Blinking ...

  • Chaparral K5312/K7313 - page 118

    G- and K- Series User ’ s Guide 8-10 3 Select Blink D rive LED and press Enter . The Select Drive screen disp lays. 4 Select the drive you want and press Enter . 5 Press Esc to stop blinking the LED. T aking Down a Drive Caution: This function is only for testing arrays and should not be used in norm al op erat ion. The Down Drive function sets t ...

  • Chaparral K5312/K7313 - page 119

    Managing Disk Drives and Enclosures 8-1 1 T esting a Drive This function issues a T est Un it Ready (TUR) co mmand to the selected disk. This ju st tells you that the drive can respond, but it stil l may not be functioning properly . To t e s t a d r i v e : 1 From the System Menu, select Utili ties Menu and press Enter . The Utilities Menu screen ...

  • Chaparral K5312/K7313 - page 120

    G- and K- Series User ’ s Guide 8-12 – Slot update status – Enclosure u pdate status Changing the SEP LUN SEP LUNs allow access to SEPs. A SEP LUN may be set to a value of 0-7, SOFT , or NONE. If set to SOFT , the SEP LUN is automatically assi gned a value when the controller boots. The soft LUN value will be assigned to the first available L ...

  • Chaparral K5312/K7313 - page 121

    Managing Disk Drives and Enclosures 8-13 3 Select SEP LUN s and press En ter . The SEP LUNs screen dis plays. 4 Select the LUN of the SEP you want and press Ente r . The SEP LUN s creen displays. 5 Select the o ption or number yo u want to us e. To D o t h i s Not assign the S EP a LUN ! Select NONE and press Enter . Let the contro ller determine t ...

  • Chaparral K5312/K7313 - page 122

    G- and K- Series User ’ s Guide 8-14 The system conf irms that you want to make the chan ge. 6 Select Ye s and pres s Enter to make the change. Changing the Additional S EP Settings Y o u can change four additional SEP setti ngs: ! Polling interval—This is the interval, in seconds, that the controller polls the SEPs for status changes. Th e def ...

  • Chaparral K5312/K7313 - page 123

    Managing Disk Drives and Enclosures 8-15 3 Select SEP Sett ings and press Enter . The Poll Rate screen displays. 4 Enter the poll rate you want, in seconds, and press Enter . The T emperature screen displays. The current setting is mark ed with an * next to it. ...

  • Chaparral K5312/K7313 - page 124

    G- and K- Series User ’ s Guide 8-16 5 Select the o ption you want and press Enter . The Slot Flags screen displays. The current setting is marked with an * next to it 6 Select whether you want the S EP to send slot s tatus updates to the cont roller and press En ter . The Global Flags screen displays. The current setting is marked with an * next ...

  • Chaparral K5312/K7313 - page 125

    9-1 9 T roubleshooting Chaparral T echn ical Support For assistance co nfiguring and using y our Chaparral product, contact your autho rized distributor or C haparral technical support at: support@chaparralnet.co m. R esolutions to commo n problem s you may en counter are described in the foll owing sections. T erminal Emulator and COM Port Problem ...

  • Chaparral K5312/K7313 - page 126

    G- and K- Series User ’ s Guide 9-2 Problem: Nothin g is displayed on the terminal emulator screen. The probab l e cause of this p roblem is a bad RS-232 cable con n ection or swappe d transmit/receive lines. If th e cable is properly con nected on both ends, try a nu l l modem adapter that will reverse the RS-232 transmit and receive signals. Th ...

  • Chaparral K5312/K7313 - page 127

    Tr oubleshooting 9-3 The default setting is 1% backoff. This default allows you to easily work with drives that have the same no minal capacity , but different actual cap aci ties. The backof f percentage af fects all arrays created on the con troller after you set the percentage. If the drives in an array are not equal in size, the array capacity ...

  • Chaparral K5312/K7313 - page 128

    G- and K- Series User ’ s Guide 9-4 conflict with any other dev ices on the host SCSI channel. If you have a l ong SCSI cable, try a differen t or shorter cab l e. Problem: O nly one array is displa yed during host SCSI BIOS scan. Check to assure that LUN s upport is enabled. Most SCSI hos t adapters, such as the AHA-2940U2W , ship with LUN suppo ...

  • Chaparral K5312/K7313 - page 129

    Tr oubleshooting 9-5 Problem: Control ler failed the onboard me mory test. When this failure occ u rs, it means the internal C PU memory failed . Replace the controller to cor rect the problem. Problem: Sys tem hangs at Loading Bridg e during BFLU Load er Menu. Reflash the firmware to ensure you are using the latest version. See Upgr ading Firmwar ...

  • Chaparral K5312/K7313 - page 130

    G- and K- Series User ’ s Guide 9-6 Problem: The c ontroller ’ s ST A TUS LED is on but there is no RS-23 2 display . (The controller’ s ST A TUS LED is on the controller board and is only visible if you open your e nclosure or if it is connected to a status LED on you r enclosure .) Check that the RS-232 cable is the correct type (direct con ...

  • Chaparral K5312/K7313 - page 131

    Tr oubleshooting 9-7 Wa r n i n g s W arning events let you know that s omething related to the controller or an array has a problem . Y ou shou ld correct the prob lem as soon as possible. T abl e 9-1 below defines each war n ing event and r ecommends the action you shou ld take. T a ble 9-1. W arning even ts Event Definition Recomme nded Action B ...

  • Chaparral K5312/K7313 - page 132

    G- and K- Series User ’ s Guide 9-8 Errors Error event s let you know t hat something related the enclosure, controller , or di sk drives has failed and req uires immediate attention. T able 9-2 defines each error event and recommen ds the action you shou l d take. ARR A Y OFFLI NE More th an one d rive in a RAID 0 or v olume set w ent down bring ...

  • Chaparral K5312/K7313 - page 133

    Tr oubleshooting 9-9 Using the Lo ader Diagnostic s Menu If you h ave any diagnostic errors, con t act Chaparral tech nical support. Using the Lo ader Utility Menu If you h ave any diagnostic errors, con t act Chaparral tech nical support. Understanding SCSI Errors The event log inclu des SCSI errors reported by SEPs and d i sk drives on your syste ...

  • Chaparral K5312/K7313 - page 134

    G- and K- Series User ’ s Guide 9-10 Using the information in T able 9-3 and T able 9-4 below , you can see that this is a medium er ror , unrecovered read error—recommend reassign ment. T able 9-3 list s some of the mo st common SCSI s ense key descript ions (i n hexadecimal). T able 9-4 lists the descrip tions for the most common sense codes ...

  • Chaparral K5312/K7313 - page 135

    Tr oubleshooting 9-1 1 Disk Channel Errors Disk channel errors are similar to disk detected errors , except they are detected b y the controller , instead of the disk drive. Some d is k channel erro rs are displayed as text strings , others are displayed as hexadeci mal codes. 11 01 R ead re tries exha usted 1 1 02 Error too long to correct 1 1 03 ...

  • Chaparral K5312/K7313 - page 136

    G- and K- Series User ’ s Guide 9-12 The example below shows a disk chan nel error displaying the hexadecimal code. See T able 9-5 below for a l ist of erro r code descriptions. Most disk channel errors are informational since the co ntroller issues retries to correct any prob l em. Errors that cannot be cor rected with retries will result in ano ...

  • Chaparral K5312/K7313 - page 137

    Tr oubleshooting 9-13 V oltage and T em perature Errors and W arnings Most voltage and temper ature errors occur due to the en cl osure. Check the en cl osure configurat ion first. ❒ 43 I /O req uest was abo rted becaus e of third-p arty chann el reset (displaye d as “Abort 3PRST”). 44 C o ntro ller decid ed to abort I/O reque st for rea sons ...

  • Chaparral K5312/K7313 - page 138

    G- and K- Series User ’ s Guide 9-14 ...

  • Chaparral K5312/K7313 - page 139

    A-1 A Array Basics Chaparral’ s RAID controllers let you set up and manage disk arrays. A disk ar ray is a group of di sks that appears to the system as a single virtual disk. This is accomplished throug h softwar e resident in the RAI D contro ller . RAID (Redundan t Array of Independen t Di sks) refers to disk arrays in which part of the array ...

  • Chaparral K5312/K7313 - page 140

    G- and K- Series User ’ s Guide A-2 RAID 0 ar rays do not stor e redundant data, so they are not true R AID appl icat io ns. If one disk fa ils, the en tire array fail s and all arr ay data is los t. The fault-to lerance of a RAID 0 array , therefore, is less than that of any single disk in the array . The t erm RAID 0 is widel y used for these a ...

  • Chaparral K5312/K7313 - page 141

    Array Basics A-3 RAID 4 RAID 4 is similar to RAID 3 in that the redundant in formation is achieved in the form of pari ty data. The us er data is distrib uted across all b u t one of the disks. The controlle r uses a single, dedicated par ity drive for data p rotection. The main difference is that RAID 3 usually synchronizes writes to its disks, wh ...

  • Chaparral K5312/K7313 - page 142

    G- and K- Series User ’ s Guide A-4 V olume Sets A volume set is the ability to create a host-accessible LUN that maps to a single disk in the array , similar to JBOD. V olume sets are non- redundant and have a capacity slightly less than the physical disk they are created from. V olume sets are u s eful if you have a sing l e disk available an d ...

  • Chaparral K5312/K7313 - page 143

    Array Basics A-5 RAID 3 3 Block-level data striping with dedica ted pa rity drive Excellent performance for larg e , sequen tial data req uests Not well-suited for transaction- orient ed networ k application s; single parity d rive do e s not su pport multiple, conc urren t and write reques ts RAID 4 (Not widely used) 3 Bloc k-lev el data striping ...

  • Chaparral K5312/K7313 - page 144

    G- and K- Series User ’ s Guide A-6 Mixing Disks f rom Differen t Manufacturers or with Differen t Capacities An array can co ntain different models of S CSI disks, even disks with different capacities; for example, an array can include a 4-GB disk and a 9-GB disk. If you mix disks with different capacities, the smalles t disk determines the logi ...

  • Chaparral K5312/K7313 - page 145

    G-1 Glossary Address— An address is a data structure or logi cal convention used to i dentify a unique entity , such as a particular process or network device. Arbitrated loop physical address (AL_P A)— An AL_P A is a 1-byte value used in an arbitrated loop topology . This valu e is used to identify L_Ports. The value then becomes the last byte ...

  • Chaparral K5312/K7313 - page 146

    G- and K- Series User ’ s Guide G-2 FC Arbitrated Loop (FC-AL)— FC-AL i s one of three FC t opolo g ies in which ports use arbitration to establish a point-to-point circuit. Arbitrated loops allo w multipl e ports to be connected serially in a singl e loop. Up to 126 NL_Ports and 1 FL_Port can be con f igured in a unidirectional loop. Ports arb ...

  • Chaparral K5312/K7313 - page 147

    Glos sary G-3 Initiator mode— Initiator mode is the configuration mode of a device in which an FC or SCSI initiator requests operations to be performed by an FC or SCSI target device. Logical unit number or lo gic al unit (LUN)— A LUN is a subdiv ision of a SCSI target. For SC SI-3, each SCSI target supp orts up to 64 LUNs. An FC host us ing LU ...

  • Chaparral K5312/K7313 - page 148

    G- and K- Series User ’ s Guide G-4 SCSI bus— A SCSI bus provides a means of transferr ing data between SC SI devices. A SCSI bus is ei ther an 8- or 16 -bit bus that supports up to 8 or 16 de vices, including itself. The bus can consist of any mix of initiators and targets, with the requirement that at leas t one initiator and one target mus t ...

  • Chaparral K5312/K7313 - page 149

    Glos sary G-5 a terminator be p l aced on the 6 8-pin high-density S CSI connector on the last SCSI peripheral. Data errors may occur in a SCSI bus that is not terminated. T opology— A networ k topology refers to t he physical layo ut of nodes on a networ k. T opolog ies ra nge from l ocal network to pologie s to W AN topol ogies. FC t opologies ...

  • Chaparral K5312/K7313 - page 150

    G- and K- Series User ’ s Guide G-6 ...

  • Chaparral K5312/K7313 - page 151

    I-1 Index A Abort In itialization 4-1 4 Abort Verify 4-17 accessing the Disk Array Administrat or software 3-1 Add an Array 4-2 Add Host to List 7-16 Add or Na me Hos t screen 7-14 Add Po ol Spare 6-6 Add Spare 6-2 adding arrays 4-1 dedicated spares 6-2 pool s pares 6-5 alarm temperature thresholds for 7-18 turning on or off for the controller 7-18 ...

  • Chaparral K5312/K7313 - page 152

    G- and K- Series User ’ s Guide I-2 C cache disabl ing for dis k drive s 8 -5 enablin g for disk drives 8 -5 locki ng setti ng on cont roll er 7-20 Cache Lock screen 7-21 capacity, exp anding for arrays 4-18 capturing, the event log file 5-4 Change Array Name 4-22 Change LUN 4-21 Change Zone Type 7-16 Channe l Confi gurat ion scre en 7- 9 channel ...

  • Chaparral K5312/K7313 - page 153

    Index I-3 Delete an Array 4-2 4 Delete Spa re 6-3 dele ting arra ys 4-24 dedicated spares 6-3 pool spa res 6-6 device S CSI chann el probl ems 9-4 disk a rray A-1 Disk Array Administrator accessing 3 -1 chan ging the scree n display 3-4 initial screen 3-2 menu tree 3-4 navigat ing in 3-3 Syst em Menu 3-3 Disk Conf igurat ion scre en 8-6 disk d rive ...

  • Chaparral K5312/K7313 - page 154

    G- and K- Series User ’ s Guide I-4 Enable Trust Array scree n 4 -23 enclosu res chan ging LUNs 8-1 2 changing t he enclosure stat us setting 8-14 changi ng the polling interv al 8-14 chan ging the slot st atus setti ng 8- 14 changing the temperature st atus setting 8-14 Enter Array Name screen 4-2 Enter New Name 4-22 enviro nmental s pecificatio ...

  • Chaparral K5312/K7313 - page 155

    Index I-5 L LEDs, blink ing fo r disk driv es 8-9 leftover drives, clearing meta data from 8-4 log file capturing 5 -4 viewing 5- 1 Loop ID, changing for controll er 7-6 LUN screen 4-3 LUN zo ning config uring 7-15 naming W WNs 7-14 overview 7- 11 viewing kn own WWNs 7-12 LUNs changing for arrays 4-21 changing for controller 7-6 chan ging for SEPs ...

  • Chaparral K5312/K7313 - page 156

    G- and K- Series User ’ s Guide I-6 compared A-4 descri bed A-1 RAID reference information A-4 RAID ty pe screen 4-4 rebooting t he controller 7-1 recon structing a rrays 4-1 7, 6-1 Remove Ho st from List 7-16 Rescan 7-24 resc anning c hanne ls 7-23 Reset Statistic s 4-12 resetting aggregat e statistic s for all arrays 5-14 array statistics 4-12 ...

  • Chaparral K5312/K7313 - page 157

    Index I-7 deleti ng dedi cated 6-3 deleti ng po ol 6-6 displa ying poo l 6-7 enablin g a utomatic 6-3 enab ling dynamic 6-3 use in reconstructin g 6-1 specification s 1-7 speed, cha nging for SCSI ch annels 7-9 Star t Expan d 4-19 Start Verify 4-16 statistics resetting aggre gate for all arrays 5-14 resetting for array s 4 -12 viewing ag gregate fo ...

  • Chaparral K5312/K7313 - page 158

    G- and K- Series User ’ s Guide I-8 disk drive status 8-3 disk d rives 8-2 dri ve st atus 4-13 events 5-1 known W WNs 7-12 pool spa res 6-7 read/write histogram 5 -11 status for drives 8-7 voltage, alarm threshold s for 7-18 volu me se ts A-4 W warning ev ents 9-7 Worl d Wide Name s naming 7- 14 viewing kn own 7-12 wri te- back cach e disabl ing ...

  • Chaparral K5312/K7313 - page 159

    ...

  • Chaparral K5312/K7313 - page 160

    Chaparral Network Storage, Inc. 7420 E. Dry Creek Park way Longmo nt, CO 8050 3 2000 Chaparral Network Storage, Inc. All rights reserved. Chaparral and Chaparral logo are trademarks of Chaparral Network Storage, Inc. Printed in the U.S. 11/ 0 0 Document Number: 07-0033-003 ...

Manufacturer Chaparral Category Network Card

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