Re: xfsdump Problems

From: noorg (engineer_at_noorg.org)
Date: 08/14/04

  • Next message: noorg: "Re: xfsdump Problems" 
    Date: Sat, 14 Aug 2004 20:53:12 GMT

    Hi Thomas,

    > noorg <engineer@noorg.org> writes:
    > [xfs_repair reports no errors, /var/lib/xfsdump new, probably no tmp
    > problem]
    >
    > Another thought that crossed my mind is this: xfsdump might fail if the
    > tape drive capabilities are entered incorrectly in
    > /var/sysgen/master.d/scsi? You have put an entry there, haven't you?
    >
    > If so could you post your entry, it would correspond to the following
    > entry for an HP 1533 drive:
    >
    > { DATTAPE, TPDAT, 2, 6, "HP", "C1533A", 0, 0, {0, 0, 0, 0},
    > MTCAN_BSF|MTCAN_BSR|MTCAN_APPEND|MTCAN_SETMK|MTCAN_PART|MTCAN_PREV|
    > MTCAN_SYNC|MTCAN_SPEOD|MTCAN_CHKRDY|MTCAN_VAR|MTCAN_SETSZ|
    > MTCAN_SILI|MTCAN_SEEK|MTCAN_CHTYPEANY,
    > /* minimum delay on i/o is 4 minutes, because when a retry is
    > * performed, the drive retries a number of times, and then
    > * rewinds to BOT, repositions, and tries again. */
    > 40, 4*60, 4*60, 5*60, 512, 512*512 },

    Here is the /var/sysgen/master.d/scsi entry:

    { DATTAPE, TPDAT, 7, 12, "ARCHIVE", "Python 01931" /*DDS2*/, 0, 0, {0},
        /* note: this drive uses modeselect page 0xf for compression
    control;
         * most of the other drives supporting compression use page 0x10 */
        MTCAN_BSF|MTCAN_BSR|MTCAN_APPEND|MTCAN_SETMK|MTCAN_PART|MTCAN_PREV|
        MTCAN_SYNC|MTCAN_SPEOD|MTCAN_CHKRDY|MTCAN_VAR|MTCAN_SETSZ|
        MTCAN_SILI|MTCAN_AUDIO|MTCAN_SEEK|MTCAN_CHTYPEANY|MTCAN_COMPRESS,
        /* minimum delay on i/o is 4 minutes, because when a retry is
         * performed, the drive retries a number of times, and then
         * rewinds to BOT, repositions, and tries again. */
        40, 4*60, 4*60, 5*60, 3*3600, 512, 512*512,
        tpsc_default_dens_count, tpsc_default_hwg_dens_names,
    tpsc_default_alias_dens_names,
        {0}, 0, 0, 0,
        0, (u_char *)0 },

    > and how is your tape drive reported in hinv?

    Tape drive: unit 5 on SCSI controller 0: DAT

    `mt status` reports:

    Device: ARCHIVE: Python 01931-XXX5.63

    Thanks,

    Josh.

    > Thomas Jahns
    > --
    > "Computers are good at following instructions,
    > but not at reading your mind."
    > D. E. Knuth, The TeXbook, Addison-Wesley 1984, 1986, 1996, p. 9 

    -- 
.------------------------------------------------.
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| President	   	Internet:  www.noorg.org | 
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