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ufsdump vs dump - Sun Solaris

Hi. I have a solaris 8 workstation with a vxa-2 8mm drive attached to it that I would like to use for backing up seven old sunOs workstations. Can I do a ufsdump on the solaris system to remotely dump the other workstations? Currently I am doing this: rsh -n "remotesunoshost" /etc/dump 0dsbfu \ 54000 37000 126 "solarishost":/dev/rmt/0n /dev/rsd"partition" This works, but I'm not sure I'm maximizing the full 160gig compressed capacity of the VXA-2 drive. Any suggestions? Thanks. -- Posted via [url]http://dbforums.com[/url]...

  1. #1

    Default ufsdump vs dump


    Hi.
    I have a solaris 8 workstation with a vxa-2 8mm drive attached to it
    that I would like to use for backing up seven old sunOs workstations.
    Can I do a ufsdump on the solaris system to remotely dump the other
    workstations?
    Currently I am doing this:
    rsh -n "remotesunoshost" /etc/dump 0dsbfu \
    54000 37000 126 "solarishost":/dev/rmt/0n /dev/rsd"partition"
    This works, but I'm not sure I'm maximizing the full 160gig compressed
    capacity of the VXA-2 drive.

    Any suggestions?
    Thanks.

    --
    Posted via [url]http://dbforums.com[/url]
    hemiguy Guest

  2. #2

    Default Re: ufsdump vs dump

    hemiguy <member34609dbforums.com> wrote:
    > Hi.
    > I have a solaris 8 workstation with a vxa-2 8mm drive attached to it
    > that I would like to use for backing up seven old sunOs workstations.
    > Can I do a ufsdump on the solaris system to remotely dump the other
    > workstations?
    > Currently I am doing this:
    > rsh -n "remotesunoshost" /etc/dump 0dsbfu \
    > 54000 37000 126 "solarishost":/dev/rmt/0n /dev/rsd"partition"
    > This works, but I'm not sure I'm maximizing the full 160gig compressed
    > capacity of the VXA-2 drive.
    s size
    Specify the size of the volume being dumped to. Not
    normally required, as ufsdump can detect end-of-media.
    When the specified size is reached, ufsdump waits for
    you to change the volume.

    37000f * 12 in/ft * 54000 bit/in * 1/8 bytes/bit * 1/1024^2 Mbytes/byte
    => 2858 Mbytes.

    I'd say you're limiting your tape to 2.8G.

    Don't use s.
    Don't use d.

    Use the highest capacity tape device (see your tape doentation for
    which one that is).

    --
    Darren Dunham [email]ddunhamtaos.com[/email]
    Unix System Administrator Taos - The SysAdmin Company
    Got some Dr Pepper? San Francisco, CA bay area
    < This line left intentionally blank to confuse you. >
    Darren Dunham Guest

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