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Date: Wed, 17 Jul 2002 12:47:04 -0700 (PDT)
From: Lew Wolfgang <wolfgang@sweet-haven.com>
To: <linux-kernel@vger.kernel.org>
Subject: Re: [ANNOUNCE] Ext3 vs Reiserfs benchmarks (whither dump?)
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Hi Folks,

As an old dump user (dumpster?) I have to admit that we've
avoided ext3 and Reiserfs because of this issue.  We couldn't
live without the "Tower of Hanoi".

I remember using, many years ago (SunOS 3.4), a patched
dump binary that allowed safe dumps from live UFS filesystems.
I don't remember all the details (it was 16-years ago) but
this dump would compare somehow, files before and after writing
to tape.  If there was a difference it would back out the
dumped file and preserve the consistency of the tape.  I don't
remember if it would go back and try the file again.

I haven't the foggest notion if this would work in these
modern times, I'm just offering it as food for thought.

Regards,
Lew Wolfgang


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