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Date:      Wed, 29 Dec 1999 09:22:40 -0700
From:      "John Hanna" <jhanna@cproject.com>
To:        <freebsd-questions@FreeBSD.ORG>
Subject:   DUMP causes system lockup?
Message-ID:  <002101bf5218$edad17e0$2b01010a@omfus.org>

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I run dump nightly to backup my files to a second disk, something
like this:

dump -0 -a -f - / |gzip >/backup/larryboy/larryboy.root.dump.gz
dump -0 -a -f - /usr |gzip >/backup/larryboy/larryboy.usr.dump.gz

Last night in the middle of this process the system locked up. I had to
push the reset key this morning to bring it back. UUCICO was also
running about the same time as the backup. This has been a repeatable
problem, although it doesn't crash every night Dump runs.

Is fileaccess in the middle of a dump bad? I can't shut off all server
functions for the duration of the dump. Is there a way I can make dump
more file-sharing-friendly? TAR never did this.

Thanks,
John




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