RE: dump directly to remote HDD over ssh <-- take it up a notch

From: Dave [Hawk-Systems] (dave_at_hawk-systems.com)
Date: 07/31/03

  • Next message: Hugh Blandford: "Re: ip" 
    To: <freebsd-isp@freebsd.org>
Date: Thu, 31 Jul 2003 09:32:21 -0400

    <continuing thread>
    >this works for me (sorry no datestamp):
    >
    >dump -0uf - / | bzip2 | ssh user@box.domain.com dd of=/pathto/file.bz
    >

    ok, how about this...

    to ensure that we don't get too many servers trying to back up to the big
    archive server at once, we want to run a script from the controller server...

    #!/bin/sh
    ssh server1 "dump -3uf - /usr | ssh big_backup_server dd
    of=/backups/server1.usr.dump"
    ssh server1 "dump -3uf - / | ssh big_backup_server dd
    of=/backups/server1.root.dump"
    ssh server2 "dump -3uf - /usr | ssh big_backup_server dd
    of=/backups/server2.usr.dump"
    ssh server2 "dump -3uf - / | ssh big_backup_server dd
    of=/backups/server2.root.dump"

    running it in this way should ensure that each dump completes before the next
    one is started, keeping them stacked, but not overlaying each other and
    effectively DOSing the box with all that data, correct?

    thanks for this and the verification on the previous

    Dave

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