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Thread: RAIT problem

  1. #1
    Join Date
    Nov 2008
    Location
    Italy
    Posts
    19

    Default RAIT problem

    Hi all,
    I use the guide to set up RAIT ([url]http://wiki.zmanda.com/index.php/Rait[/url]) using tape and vtapes.

    When i try to label slot 1 amanda show an error:

    #amlabel daily daily-01 slot 1
    labeling tape in slot 1 (rait:{file:/amanda/vtapes/daily/slot1,tape:/dev/nst0}):
    Reading label...
    RAIT array {file:/amanda/vtapes/daily/slot1,tape:/dev/nst0} isolated device /dev/nst0
    RAIT array {file:/amanda/vtapes/daily/slot1,tape:/dev/nst0} DEGRADED
    File /dev/nst0 is not a tape device
    Reading the tape label failed:
    Error was Device error.

    tape not labeled


    What's wrong?

    Here are the amlabel log file

    1231948968.278970: amlabel: pid 18039 ruid 505 euid 505: start at Wed Jan 14 17:02:48 2009
    1231948968.287476: amlabel: pid 18039 ruid 505 euid 505: rename at Wed Jan 14 17:02:48 2009
    RAIT array {file:/amanda/vtapes/daily/slot1,tape:/dev/nst0} isolated device /dev/nst0
    RAIT array {file:/amanda/vtapes/daily/slot1,tape:/dev/nst0} DEGRADED
    File /dev/nst0 is not a tape device
    1231948968.918280: amlabel: device_read_label; mode = 0
    1231948968.918567: amlabel: device_read_label; mode = 0
    1231948968.919419: amlabel: device_read_label; mode = 0
    1231948968.953030: amlabel: tape_is_tape_device: ioctl(MTIOCTOP/MTNOP) failed: No medium found1231948968.953712: amlabel: pid 18039 finish time Wed Jan 14 17:02:48 2009
    /var/log/amanda/server/daily/amlabel.20090114170248.debug (END)


    And chg-multi-mirror.conf

    multieject 0
    needeject 1
    gravity 0
    ejectdelay 50
    statefile /etc/amanda/daily/changerstatus
    firstslot 1
    lastslot 5
    havereader=1
    slot 1 rait:{file:/amanda/vtapes/daily/slot1,tape:/dev/nst0}
    slot 2 rait:{file:/amanda/vtapes/daily/slot2,tape:/dev/nst0}
    slot 3 rait:{file:/amanda/vtapes/daily/slot3,tape:/dev/nst0}
    slot 4 rait:{file:/amanda/vtapes/daily/slot4,tape:/dev/nst0}
    slot 5 rait:{file:/amanda/vtapes/daily/slot5,tape:/dev/nst0}


    If i use only the tape driver in a single configuration i don't have any problem so i post the changer.conf:

    firstslot=2
    lastslot=14
    driveslot=0
    havereader=1
    offline_before_unload=1
    initial_poll_delay=30

    In amanda.conf should not add the parameter tapetype AIT-2?(there's only HARDDISK)

    Please help.

    Thank you
    Last edited by ipv4; January 14th, 2009 at 03:23 AM.

  2. #2
    Join Date
    Aug 2008
    Location
    Sunnyvale, CA
    Posts
    306

    Default

    If /dev/nst0 is indeed a tape device and can be accessed by the Amanda user, I'm not sure.

    Is a log created by the chg-multi script in /var/log/amanda/server/ with any more clues?

    For tapetype, I suppose you should use one that correlates to the physcial tape.

    Paul

  3. #3
    Join Date
    Mar 2007
    Location
    Chicago, IL
    Posts
    688

    Default

    The error message is pretty clear (though admittedly buried mid-line):

    ioctl(MTIOCTOP/MTNOP) failed: No medium found

    was there a tape in the drive? Was the drive ready? Some drives can take quite a while to come online.

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