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Thread: Tape Driver issue with SLES 11 SP2 SAP Version

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    Tape Driver issue with SLES 11 SP2 SAP Version

    Dear All,

    I have a tape drive that was works with SLES 11 SP1 perfectly, but the problem came after a fresh
    installation of SLES 11 SP2 SAP Version.

    Tape Device Model : HP Storage Works Ultrium 1760 SAS
    SAS Controller HP Smart Controller P212 - And I installed the following driver from HP

    RECOMMENDED * HP ProLiant Smart Array Controller (AMD64/EM64T) Driver for SUSE LINUX Enterprise Server 11 (AMD64/EM64T) *

    Once I installed the driver I could see the tape device in /dev/st0

    hwinfo --tape output

    sapnode01:~ # hwinfo --tape
    89: SCSI 00.0: 10601 Tape
    [Created at scsi.1460]
    UDI: /org/freedesktop/Hal/devices/pci_103c_323a_scsi_host_scsi_device_lun0_scsi_gene ric
    Unique ID: Er1e.jH5QXkQpQf6
    Parent ID: GBI1.XEXEELn_ra7
    SysFS ID: /class/scsi_tape/st0
    SysFS BusID: 0:0:0:0
    SysFS Device Link: /devices/pci0000:00/0000:00:03.0/0000:08:00.0/host0/target0:0:0/0:0:0:0
    Hardware Class: unknown
    Model: "HP Ultrium 4-SCSI"
    Vendor: "HP"
    Device: "Ultrium 4-SCSI"
    Revision: "U57D"
    Driver: "cciss", "st"
    Driver Modules: "cciss"
    Device File: /dev/st0 (/dev/sg0)
    Device Files: /dev/st0, /dev/char/9:0, /dev/tape/by-id/scsi-3500110a001465016, /dev/tape/by-path/pci-0000:08:00.0-scsi-0:0:0:0
    Device Number: char 9:0 (char 21:0)
    Config Status: cfg=new, avail=yes, need=no, active=unknown
    Attached to: #61 (RAID bus controller)mt command out puts

    sapnode01:~ # mt -f /dev/st0 status
    drive type = Generic SCSI-2 tape
    drive status = 1174405120
    sense key error = 0
    residue count = 0
    file number = 0
    block number = 0
    Tape block size 0 bytes. Density code 0x46 (unknown).
    Soft error count since last status=0
    General status bits on (41010000):

    sapnode01:~ # mt -f /dev/st0 tell
    mt: /dev/st0: Input/output error

    The thing is, i could be able to take a tar backup and restore it using the following commands without any error
    tar -cvzf /dev/st0 /path/to/backup,
    tar -tzf /dev/st0,
    tar -xvzf /dev/st0 /path/to/backup/to/restore

    But the error occurring when i try to run the oracle full backup using SAP is

    what can be the issue? are there any specific drivers that i need to install on suse for the SAS controller other than that i have already installed...Your help on this is highly appreciated
    Last edited by lash04; 08-Sep-2012 at 17:19.


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