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Manual StorageTek SCSI-3

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  • StorageTek SCSI-3 - page 1

    8946121402 StorageNet Fibre Channel Switch 4000 SES (SCSI-3 Enclosure Services) User Guide ...

  • StorageTek SCSI-3 - page 2

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  • StorageTek SCSI-3 - page 3

    8946121402 StorageNet Fibre Channel Switch 4000 SES (SCSI-3 Enclosure Services) User Guide ...

  • StorageTek SCSI-3 - page 4

    ii 8946121402 Revision History The U.S. Department of Commerce restricts the distribution of technical information contained in this document when exported outside the U.S. Therefore, careful attention should be gi ven to compliance with all applicable U.S. Export Laws if any part of this document is to be exported. © 1999 Storage T echnology Corp ...

  • StorageTek SCSI-3 - page 5

    8946121402 iii About This Document Intr oduction Use this guide for monitoring, configuring, and maintaining a StorageNet Fibre Channel Switch 4000 through SCSI-3 Enclosure Services (SES). Y ou should be kno wledgeable about networking in general, routing and bridging in particular . A clearly defined network and security plan is necessary . Y ou ...

  • StorageTek SCSI-3 - page 6

    iv 8946121402 Notice to the Reader The material contained in this publication is for informational purposes only and is subject to change without notice. StorageT ek is not responsible for the use of any product options or features not described in this publication, and assumes no responsibility for any errors that may appear in this publication. R ...

  • StorageTek SCSI-3 - page 7

    8946121402 v Table of Contents Chapter 1 Pr oduct Overview Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1 SES Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1 Chapter 2 SES Conce ...

  • StorageTek SCSI-3 - page 8

    vi 8946121402 Chapter 4 T roub leshooting Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 License Reject . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1 CHECK CONDITION . . . . . . . . . . ...

  • StorageTek SCSI-3 - page 9

    8946121402 vii List of Figures Figure 1-1 SES Ov er view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 Figure 2-1 SES Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 Figure 2-2 SES Functional Model . . . . . . . . . . . . . . . . . . . . . . ...

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    viii 8946121402 ...

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    8946121402 ix List of Tables T able 1-1 Example LUN Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2 T able 2-1 F ormat of LUN recognized by SESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2 T able 2-2 LUN Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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    x 8946121402 ...

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    8946121402 1-1 Chapter 1 Product Overview Intr oduction This chapter describes StorageT ek’ s implementation of SES (SCSI-3 Enclosure Services) on the StorageNet Fibre Channel Switch 4000. SES implementation in a SCSI-3-based Host Adapter is up to the adapter manufacturer and StorageT ek cannot determine their implementation. Therefore, the focus ...

  • StorageTek SCSI-3 - page 14

    SES Management 1-2 8946121402 Figure 1-1 SES Overview LUN addressing within the Fabric can be non-sequential because it is based on the switch’ s Domain_ID . T able 1-1 shows the sample LUN mapping used with Figure 1-1 . Figure 1-1 sho ws that the switch in the lo wer left hand corner is assigned both LUN5 and LUN0. (LUN5 because the switch’ s ...

  • StorageTek SCSI-3 - page 15

    SES Management 8946121402 1-3 Therefore, if there are 5 switches in the Fabric SES reports 6 LUNs, one LUN v alue for each switch and LUN0 for the local client connection. Other SCSI-3 enclosures can also run SES outside the Fabric, such as JBODs, RAID-5 arrays, SCSI-3 hard dri ves, and SCSI-3 tape dri v es. These de vices are identified by their ...

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    SES Management 1-4 8946121402 ...

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    8946121402 2-1 Chapter 2 SES Concepts Intr oduction This chapter uses generic terms to describe enclosure services and specific SES implementation. SES instances can be distributed inside and outside of the F abric to an y enclosure capable of supporting enclosure services through an SES de vice. SES is distributed transparently throughout the F a ...

  • StorageTek SCSI-3 - page 18

    SES Functional Model 2-2 8946121402 Figure 2-2 SES Functional Model At the Fibre Channel le vel, each SESD is accessible through the Fibre Channel well kno wn address, FFFFFAh (Management Server). At the SCSI-3 le v el, it is associated with a LUN. An SES Application Client can refer to any distrib uted SESD within the F abric using its LUN. A LUN ...

  • StorageTek SCSI-3 - page 19

    Access to the Enclosure Ser vices Process 8946121402 2-3 An SES Application Client may easily find the LUN values of all distrib uted SESDs inside the Fabric by using the Report LUNs command. See the “Report LUNs” section in Chapter 3 for more information. Access to the Enc losure Services Process An application client can monitor all enclosur ...

  • StorageTek SCSI-3 - page 20

    Indicators and Control Management 2-4 8946121402 ...

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    8946121402 3-1 Chapter 3 SES Commands Intr oduction This chapter contains information and examples on managing SES, including the follo wing: • FC-PH constructs • FCP and SES commands • Diagnostics pages Note: SESD can be accessed from any F abric switch licensed to run SES. Constructs, Commands and Diagnostic P ages T able 3-1 summarizes the ...

  • StorageTek SCSI-3 - page 22

    FCP Constructs 3-2 8946121402 FCP Constructs Before initiating any FCP request, the Nx_Port associated with the SES Application Client (FCP Initiator) must complete an N_Port Login ( PLOGI ) with the Management Server in Class 2 or 3. Note: The destination address in the PLOGI request must be set to FFFFFAh . The FCP Process Login (PRLI) is not req ...

  • StorageTek SCSI-3 - page 23

    FCP Constructs 8946121402 3-3 The FCP_LUN v alue format is described in T able 3-3 or the value is 0. The latter refers to the SESD on the local switch. The FCP_CNTL value is set to 1, 2 or 0 depending on whether READ D A T A , WRITE D A T A or neither is in volved in the command. The FCP_CDB v alue contains the appropriate command descriptor . The ...

  • StorageTek SCSI-3 - page 24

    FCP and SES Commands 3-4 8946121402 T able 3-5 shows the FCP_STATUS field format. The reserved bits are set to 0 by the SESD. FCP_RESID_UNDER indicates that the FCP_RESID field is v alid and contains the number of bytes expected to be transferred, b ut were not transferred. See T able 3-4 . This bit is not used by SESD. FCP_RESID_OVER indicates t ...

  • StorageTek SCSI-3 - page 25

    FCP and SES Commands 8946121402 3-5 Switch Diagnostics P ages Before each SCSI command is discussed in detail, the diagnostics pages are defined in T able 3-7 . They are particularly rele v ant to two commands: Receive Diagnostic Results and Send Diagnostics . The switch SESD supports 7 diagnostics pages. T able 3-8 shows the page codes 80h throug ...

  • StorageTek SCSI-3 - page 26

    FCP and SES Commands 3-6 8946121402 Switch P age If requested using the Send Diagnostic or Receive Diagnostic Result command, the SESD returns the response sho wn in T able 3-10 . 2 (MSB) P age Length = 7 (LSB) 3 4 00h 5 80h 6 81h 7 82h 8 83h 9 84h 10 85h Table 3-10 Switch Page Format Byte/Bit Field # Access 7 6 5 4 3 2 1 0 0 na na P age Code = 80h ...

  • StorageTek SCSI-3 - page 27

    FCP and SES Commands 8946121402 3-7 The field swValid is bit mapped and indicates which subsequent fields within the page are v alid. The bit position for subsequent fields starts from 0, as indicated in the Field # column of T able 3-10 . For example, if the fields: Current_Date , Boot_Date and Number_of_Sensors are v alid, it contains the hex ...

  • StorageTek SCSI-3 - page 28

    FCP and SES Commands 3-8 8946121402 Neighborhood T able Pa ge If requested using the Send Diagnostic or Receive Diagnostic Result command, the SESD returns the response sho wn in T able 3-13 . Fibre Channel P ort T able P age If requested using the Send Diagnostic or Receive Diagnostic Result command, the SESD returns the response sho wn in T able ...

  • StorageTek SCSI-3 - page 29

    FCP and SES Commands 8946121402 3-9 Table 3-14 Fibre Channel Port Table Page Format Byte/Bit Field # Access 7 6 5 4 3 2 1 0 0 na na Page Code = 84h 1 na na Reserved 2 .. 3 na na P age Length = n - 3 4 .. 7 na na swNumEntries = i – specifies the number of entries received. Note: Each entr y consists of s wV alidity[0] field through field 27. 8 ...

  • StorageTek SCSI-3 - page 30

    FCP and SES Commands 3-10 8946121402 Name Server Local T able P age If requested using the Send Diagnostic or Receive Diagnostic Result command, the SESD returns the follo wing response as sho wn in T able 3-15 . 108 .. 111 24 ro swFCP or tTxMcasts[0] 112 .. 115 25 ro swFCP or tLipIns 116 .. 119 26 ro swFCP or tLipOuts 120 .. 123 27 ro swFCP or tLi ...

  • StorageTek SCSI-3 - page 31

    FCP and SES Commands 8946121402 3-11 Inquiry An SES Application Client may send an Inquiry command to obtain information about a switch in the Fabric. The format of the FCP_CDB is sho wn in T able 3-16 . If the field, EVPD (Enable V ital Product Data) is set to 0 and the value of the page code is 0, the standard Inquiry Data is returned as sho wn ...

  • StorageTek SCSI-3 - page 32

    FCP and SES Commands 3-12 8946121402 If the field, EVPD is set to 1, then the v alue of the page code may be set to one of the codes sho wn in T able 3-18 . If the page code is set to 00h, the SESD will return codes sho wn in T able 3-19 . If the page code is set to 80h, the SESD will return codes sho wn in T able 3-20 . Table 3-18 Page Codes P ag ...

  • StorageTek SCSI-3 - page 33

    FCP and SES Commands 8946121402 3-13 If the page code is set to 83h, the SESD will return codes sho wn in T able 3-21 . Receive Diagnostic Results An SES Application Client sends a Receive Diagnostic Results command to return diagnostic or management data. The FCP_CDB format is shown in T able 3-22 . A Page Code V alid ( PCV ) bit of zero indicates ...

  • StorageTek SCSI-3 - page 34

    FCP and SES Commands 3-14 8946121402 Report LUNs An SES Application Client sends a Report LUNs command to obtain the number of logical units (each is a switch in SCSI impersonation) in the Fabric. The CDB format is sho wn in T able 3-23 . The SESD reports the LUNs of associated switches with the format sho wn in T able 3-24 . Request Sense An SES A ...

  • StorageTek SCSI-3 - page 35

    FCP and SES Commands 8946121402 3-15 Send Diagnostic A SES Application Client can use a Send Diagnostic command to configure/diagnose a logical unit. After the command completion, the SES Application Client sends a Receive Diagnostic Results command. See T able 3-22 . The FCP_CDB format is shown in T able 3-26 . A Page F ormat ( PF ) bit of 1 spec ...

  • StorageTek SCSI-3 - page 36

    FCP and SES Commands 3-16 8946121402 Reject The SESD issues a Reject command to set status to Check Condition and the appropriate v alues for the Sense K ey ( SK ) field. Additional Sense Code ( ASC ) and Additional Sense Code Qualifier ( ASCQ ) v alues are as sho wn in T able 3-28 . Table 3-28 Reject Command Format SK ASC ASCQ Explanation 2 04h ...

  • StorageTek SCSI-3 - page 37

    8946121402 4-1 Chapter 4 Troubleshooting Intr oduction This chapter discusses the SEND DIAGNOSTIC command error messages. License Reject A license reject is generated when the SES license ke y is improperly entered or is not installed. The follo wing message is generated: Probab le cause: In v alid Field Action: See the “Reject” section in Chap ...

  • StorageTek SCSI-3 - page 38

    Introduction 4-2 8946121402 ...

  • StorageTek SCSI-3 - page 39

    8946121402 A-1 Appendix A Glossary A pplication Client: The source object of the SCSI commands and destination for the command responses. Byte: A group of 8 bits. Command Descriptor Block: The structure of up to 16 bytes in length used to communicate commands from the application client to a de vice server . Critical Condition: An enclosure conditi ...

  • StorageTek SCSI-3 - page 40

    A-2 8946121402 Logical Unit: A target-resident entity that implements a de vice model and ex ecutes SCSI commands originated by an application client. Logical Unit Number: A device or element kno wn by an enclosure that identifies it to the application client. Redundancy: The presence in an enclosure of one or more elements capable of automaticall ...

  • StorageTek SCSI-3 - page 41

    8946121402 Index-1 Index A Application Client A-1 ASC Field 3-16 ASCQ Field 3-16 B Bit Page Code Valid 3-13 Byte A-1 C Code Additional Sense 3-16 Additional Sense Code Qualifier 3-16 Sense NO ADDITIONAL SENSE INFORMATION 3-14 Command FCP Data Information Unit 3-3 Information Unit 3-2 Response Information Unit 3-3 Transfer Ready Information Unit 3-3 ...

  • StorageTek SCSI-3 - page 42

    Index-2 8946121402 P Page Diagnostics 3-5 Fabric 3-7 Fibre Channel Port Table 3-8 Neighborhood Table 3-8 Sensor Table 3-7 Supported Diagnostics 3-5 Switch 3-6 Page Code Valid Bit 3-13 R Receive Diagnostic Results Command 3-13 , 3-15 Redundancy A-2 Reject Command 3-16 Report LUNs Command 3-14 Request Sense Command 3-14 S SCSI A-2 SCSI Device A-2 Sen ...

  • StorageTek SCSI-3 - page 43

    Comment Sheet StorageT ek welcomes your comments about this publication. Please complete this form, including your name and address, and mail it to StorageT ek, T echnical Communications Department, 7600 Boone A venue North, Minneapolis, Minnesota, 55428-9919, USA. Comments may also be submitted ov er the Internet by addressing them to: doccomment@ ...

  • StorageTek SCSI-3 - page 44

    BUSI NESS REPL Y MAIL POST AGE WILL BE P AID BY ADDRESSEE STORA GETEK FOLD FOLD A TTN: TECHNICAL COMMUNICA TIONS DEP ARTMENT 7600 BOONE A VENUE NOR TH MINNEAPOLIS, MN 55428-9919 NO POST AGE NECESSAR Y IF MAILED IN THE UNITED ST A TES T APE T APE DO NOT ST APLE CUT ON VER TICAL LINE FOLD 1ST FOLD 1ST FIRST CLASS MAIL PERMIT NO. 19774 MPLS, MN ...

  • StorageTek SCSI-3 - page 45

    StorageT ek Pr oblem Reporting Please be aware that, depending on y our maintenance and/or warranty co verage, the ser vices deliver ed may be char geable. This form is provided for your con venience in gathering information for your call. Make as man y copies as you wish. Please hav e the follo wing information a v ailable when reporting a problem ...

Manufacturer StorageTek Category Switch

Documents that we receive from a manufacturer of a StorageTek SCSI-3 can be divided into several groups. They are, among others:
- StorageTek technical drawings
- SCSI-3 manuals
- StorageTek product data sheets
- information booklets
- or energy labels StorageTek SCSI-3
All of them are important, but the most important information from the point of view of use of the device are in the user manual StorageTek SCSI-3.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals StorageTek SCSI-3, service manual, brief instructions and user manuals StorageTek SCSI-3. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product StorageTek SCSI-3.

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A complete manual for the device StorageTek SCSI-3, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use StorageTek SCSI-3 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of StorageTek SCSI-3.

A complete StorageTek manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual StorageTek SCSI-3 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the StorageTek SCSI-3, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the StorageTek SCSI-3, that we can find in the current document
3. Tips how to use the basic functions of the device StorageTek SCSI-3 - which should help us in our first steps of using StorageTek SCSI-3
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with StorageTek SCSI-3
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of StorageTek SCSI-3 in a specific country, if it was not possible to solve the problem on our own.

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