[HPADM] Multiple backups on one tape

From: Eric Hunter (ehunter_at_marsys.com)
Date: 12/16/03

  • Next message: Buddy Mills: "[HPADM] Re: awk or sed help?" 
    Date: Tue, 16 Dec 2003 11:18:07 -0500
To: "'hpux-admin@dutchworks.nl'" <hpux-admin@dutchworks.nl>

    Hey folks.

    I'm having what seems to have been a common problem a few years ago
    (judging by the search I just ran on the list archive) but I havent seen
    a post since 1999 regarding this.

    I have a single SuperDLT tape with which to backup a cluster of about 16
    small development workstations of different unix/linux flavors. All the
    drives at full capacity wont exceed one tape, so naturally I'm expected
    to get them all on a single tape.

    The drive is attached to a Solaris 8 box, and thus putting 4 ufsdumps
    from Solaris at the beginning was no problem using /dev/rmt/0mn
    no-rewind device. Then I moved on to the HPs and found out that fbackup
    (according to the FAQ) will not respect no-rewind devices.

    The accepted way (also according to the FAQ and the list circa 1999) is
    to fbackup to std out ( -f -) and pipe to remsh remotehost dd
    of=/dev/rmt/0mn with "a decent blocksize".

    so mine looks something like:

    fbackup -0v -f - -i / | remsh mlxsun3 dd of=/dev/rmt/0mn bs=64k
    (there, now theres an example for the next poor soul who tries this.)

    Its quite an ugly solution. Havent tried a restore yet.

    Yes, I read that OmniBack and Legato can get around it, but my question
    is; in the 3+ years since the list message was written, has anyone found
    a better, FREE way? 

    


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