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Tape over VIO Server Virtual SCSI ?

  • 1.  Tape over VIO Server Virtual SCSI ?

    Posted Wed January 10, 2024 07:04 AM

    Hi,

    Are the limitations on accessing tape drive attached to VIO server and shared over virtual SCSI still the tape ?

    The article here describing the usage on Power10 still lists DAT320 as the only supported model.



    ------------------------------
    Zaki Jääskeläinen
    ------------------------------


  • 2.  RE: Tape over VIO Server Virtual SCSI ?

    Posted Thu January 11, 2024 06:15 AM

    The tape device exported over vSCSI will list as tape device only on client.

    The restrictions that are mentioned in the link, still apply.



    ------------------------------
    RUPESH THOTA
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  • 3.  RE: Tape over VIO Server Virtual SCSI ?

    Posted Thu January 11, 2024 05:20 PM

    Thank you. So 4mm 160/320 GB DAT is still the only supported type of tape drive. 

    I assume this limited support applies to AIX and Linux as it seems IBM i on Power have a much more generous

    support for VIO-attached tape drive models as per this page.

    I have a customer with an SAS-attached external LTO drive connected to a full system AIX LPAR on Power8 now

    migrating to a fully virtualized LPAR on Power10. I will inform him that the drive will not be usable on AIX.



    ------------------------------
    Zaki Jääskeläinen
    ------------------------------



  • 4.  RE: Tape over VIO Server Virtual SCSI ?

    IBM Champion
    Posted Fri January 12, 2024 10:31 AM

    It may be usable (it frequently is), however it won't be supported.  The next step is either a fiber-connected drive or a SCORE/RPQ request.


    From the SSIC page:

    Request for Price Quotations (RPQ)

    If a desired configuration is not available for selection in the above search interface, a SCORE/RPQ should be submitted to IBM requesting approval. To submit a SCORE/RPQ please contact your IBM Representative.
    For IBM and Business Partners only - <slot style="box-sizing: inherit;">Click this link to open SCORE request</slot><slot name="icon" style="box-sizing: inherit;"></slot>



    ------------------------------
    José Pina Coelho
    IT Specialist at Kyndryl
    ------------------------------



  • 5.  RE: Tape over VIO Server Virtual SCSI ?

    Posted Mon January 15, 2024 05:24 AM
    Edited by Juergen Maehlmann Mon January 15, 2024 05:46 AM

    Hi Zaki,

    Were using on dual VIO setup two additional FC-Devices for tapes.

    Per VIO :2 x vSCSI and 2 x Fiber channel device

    The LPAR get's:

    ===SNIP===

    for i in 0 1;do echo fscsi$i;lsdev -p fscsi$i;done    
    fscsi0
    rmt0     Available 25-T1-01    IBM 3580 Ultrium Tape Drive (FCP)
    rmt1     Available 25-T1-01    IBM 3580 Ultrium Tape Drive (FCP)
    sfwcomm0 Available 25-T1-01-FF Fibre Channel Storage Framework Comm
    smc0     Available 25-T1-01    IBM 3584 Library Medium Changer (FCP)
    smc1     Available 25-T1-01    IBM 3584 Library Medium Changer (FCP)
    fscsi1
    rmt4     Available 26-T1-01    IBM 3580 Ultrium Tape Drive (FCP)
    rmt5     Available 26-T1-01    IBM 3580 Ultrium Tape Drive (FCP)
    sfwcomm1 Available 26-T1-01-FF Fibre Channel Storage Framework Comm
    smc2     Available 26-T1-01    IBM 3584 Library Medium Changer (FCP)

    ===SNAP===

    Inside the LPAR we use Atape .driver - IBM AIX Enhanced Tape and  Medium Changer Device Driver, giving us 64 additional tape-devices, incl. tape medium changers.

    This is the current listing by using lsdev -P -c tape -F "type subclass description":

    3490E    fcp   IBM 3490E Tape Drive (FCP)
    3555     fcp   IBM 3555 Tape Medium Changer (FCP)
    3570     fcp   IBM Magstar MP Tape Subsystem (FCP)
    3570L    fcp   IBM Magstar MP 3570 Library Tape Drive (FCP)
    3573     fcp   IBM 3573 Tape Medium Changer (FCP)
    3575     fcp   IBM Magstar MP 3575 Library Medium Changer (FCP)
    3576     fcp   IBM 3576 Library Medium Changer (FCP)
    3577     fcp   IBM 3577 Library Medium Changer (FCP)
    3580     fcp   IBM 3580 Ultrium Tape Drive (FCP)
    3581     fcp   IBM 3581 Tape Medium Changer (FCP)
    3582     fcp   IBM 3582 Library Medium Changer (FCP)
    3583     fcp   IBM 3583 Library Medium Changer (FCP)
    3584     fcp   IBM 3584 Library Medium Changer (FCP)
    3590     fcp   IBM 3590 Tape Drive and Medium Changer (FCP)
    3592     fcp   IBM 3592 Tape Drive (FCP)
    3592V    fcp   IBM 3592 Virtual Tape Drive (FCP)
    C06-PT   fcp   IBM C06-PT Virtual Library Medium Changer (FCP)
    LTO      fcp   LTO Ultrium Tape Drive (FCP)
    hpec     fcp   HPE Tape Library Medium Changer
    ost      fcp   Other FC SCSI Tape Drive
    scalar   fcp   Quantum Tape Library Medium Changer
    scsd     fcp   FC SCSI Tape Drive
    zerzura  fcp   HPE Tape Library Medium Changer
    ost      iscsi Other iSCSI Tape Drive
    scsd     iscsi iSCSI Tape Drive
    3555     sas   IBM 3555 Library Medium Changer (SAS)
    3572     sas   IBM 3572 Library Medium Changer (SAS)
    3573     sas   IBM 3573 Library Medium Changer (SAS)
    3576     sas   IBM 3576 Library Medium Changer (SAS)
    3580     sas   IBM 3580 Ultrium Tape Drive (SAS)
    3584     sas   IBM 3584 Library Medium Changer (SAS)
    LTO      sas   LTO Ultrium Tape Drive (SAS)
    ost      sas   Other SAS Tape Drive
    scalar   sas   Quantum Tape Library Medium Changer
    scsd     sas   SAS Tape Drive
    3490E    scsi  IBM 3490E Tape Drive
    3490F    scsi  IBM 3490F Tape Drive and Medium Changer
    3555     scsi  IBM 3555 Tape Medium Changer
    3570     scsi  IBM Magstar MP Tape Subsystem
    3570L    scsi  IBM Magstar MP 3570 Library Tape Drive
    3573     scsi  IBM 3573 Tape Medium Changer
    3575     scsi  IBM Magstar MP 3575 Library Medium Changer
    3576     scsi  IBM 3576 Library Medium Changer
    3580     scsi  IBM 3580 Ultrium Tape Drive
    3581     scsi  IBM 3581 Tape Medium Changer
    3582     scsi  IBM 3582 Library Medium Changer
    3583     scsi  IBM 3583 Library Medium Changer
    3584     scsi  IBM 3584 Library Medium Changer
    3590     scsi  IBM 3590 Tape Drive and Medium Changer
    7212     scsi  IBM 7212 Tape Medium Changer
    7331     scsi  IBM 7331 Tape Medium Changer
    7332     scsi  7332 4mm Auto Loader SCSI Tape Device
    7334     scsi  IBM 7334 Tape Medium Changer
    7336     scsi  IBM 7336 Tape Medium Changer
    7337     scsi  IBM 7337 Tape Medium Changer
    LTO      scsi  LTO Ultrium Tape Drive
    hpec     scsi  HPE Tape Library Medium Changer
    ost      scsi  Other SCSI Tape Drive
    scalar   scsi  Quantum Tape Library Medium Changer
    scsd     scsi  SCSI Tape Drive
    zerzura  scsi  HPE Tape Library Medium Changer
    0806500c usbif Other USB Tape Drive
    ost      vscsi Virtual Tape Drive
    scsd     vscsi Virtual Tape Drive

    regards,

    Jürgen



    ------------------------------
    Juergen Maehlmann
    ------------------------------



  • 6.  RE: Tape over VIO Server Virtual SCSI ?

    IBM Champion
    Posted Mon January 15, 2024 08:29 AM

    Virtual fiber channel is the way to go.  I have VIOS supporting my LTO7 VTL to multiple lpars of IBM i and they can backup at the same time.



    ------------------------------
    Robert Berendt IBMChampion
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  • 7.  RE: Tape over VIO Server Virtual SCSI ?