From: Anders Karlsson <anders@trudheim.com>
To: Paul P Komkoff Jr <i@stingr.net>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: Two RAID1 mirrors are faster than three
Date: 12 May 2003 08:23:15 +0100 [thread overview]
Message-ID: <1052724195.3521.5.camel@tor.trudheim.com> (raw)
In-Reply-To: <20030512054130.GA1318@stingr.net>
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On Mon, 2003-05-12 at 06:41, Paul P Komkoff Jr wrote:
> Replying to Anders Karlsson:
> > downtime on it. You then quiesce the database, split off the second copy
> > from the mirror, mount that as a separate filesystem and back that up
> > while the original with its first copy has already stepped back into
> > full use.
>
> Why do not use snapshots for this?
Snapshots was not around then. AFAIK snapshotting in the LVM is a recent
thing. I know people were doing backups by splitting off the 2nd copy in
a mirror some eight years ago.
/Anders
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next prev parent reply other threads:[~2003-05-12 7:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-12 2:10 Two RAID1 mirrors are faster than three Chuck Ebbert
2003-05-12 4:35 ` Clemens Schwaighofer
2003-05-12 5:10 ` Anders Karlsson
2003-05-12 5:41 ` Paul P Komkoff Jr
2003-05-12 7:23 ` Anders Karlsson [this message]
2003-05-12 8:40 ` Clemens Schwaighofer
2003-05-12 9:30 ` [OT] " Anders Karlsson
2003-05-12 11:20 ` Paul P Komkoff Jr
2003-05-12 14:29 ` Valdis.Kletnieks
2003-05-13 2:24 ` Clemens Schwaighofer
2003-05-13 7:41 ` Anders Karlsson
2003-05-12 14:56 ` Lars Marowsky-Bree
2003-05-15 7:21 ` Riley Williams
2003-05-15 10:51 ` Anders Karlsson
2003-05-19 8:19 ` Jakob Oestergaard
-- strict thread matches above, loose matches on Subject: below --
2003-05-12 16:32 Chuck Ebbert
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