Date: Thu, 26 Mar 2009 10:15:45 -0400 From: Mike Tancsa <mike@sentex.net> To: Peter Schuller <peter.schuller@infidyne.com> Cc: "Jack L. Stone" <jacks@sage-american.com>, freebsd-stable@freebsd.org, fs@freebsd.org Subject: Re: support quality (Re: dump | restore fails: unknown tape headertype 1853384566) Message-ID: <200903261415.n2QEF7hF038711@lava.sentex.ca> In-Reply-To: <20090326140131.GA45201@hyperion.scode.org> References: <3.0.1.32.20090326065337.00f081e0@sage-american.com> <3.0.1.32.20090325072137.00ee6b48@sage-american.com> <49C9E635.5010106@kkip.pl> <49C83673.3000604@aldan.algebra.com> <200903251820.54749.doconnor@gsoft.com.au> <200903251925.36108.doconnor@gsoft.com.au> <3.0.1.32.20090325072137.00ee6b48@sage-american.com> <3.0.1.32.20090326065337.00f081e0@sage-american.com> <3.0.1.32.20090326070807.00f081e0@sage-american.com> <200903261331.n2QDVd4b038485@lava.sentex.ca> <20090326140131.GA45201@hyperion.scode.org>
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At 10:01 AM 3/26/2009, Peter Schuller wrote:
> >
> > Unless the filesystem is very busy, you will get your data backed up.
> > If you have things like databases, I still would not trust
> > snapshots.
>
>Uh. If backuping up a live database from a snapshot is not
>trustworthy, either the snapshot facility is broken or the database is
>broken (i.e., not crash-safe to begin with).
... or the database is configured in a risky way... But judging by
this thread, it seems dump with -L is indeed broken for some
people. Hence, I suggested dumping the database using the database's
backup tools and trying dump without -L
---Mike
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