From: Joe Thornber <thornber@btconnect.com>
To: linux-lvm@sistina.com
Subject: Re: [linux-lvm] LVM metsdata
Date: Tue, 9 Oct 2001 08:47:17 +0100 [thread overview]
Message-ID: <20011009084717.B398@btconnect.com> (raw)
In-Reply-To: <20011008204254.19061.qmail@web20201.mail.yahoo.com>; from leegotze@yahoo.com on Mon, Oct 08, 2001 at 01:42:54PM -0700
On Mon, Oct 08, 2001 at 01:42:54PM -0700, Lee Go-Tze wrote:
> I have a novice question. How does the LVM
> protect its metadata. I mean does it do some
> sort of metadata check when machine comes up
> (notices the system did not shutdown properly)?
> Or maybe it uses journaling? I imagine the
> updates to lv/vg/pv structures have to be
> transactional.
Transactional updates will go into LVM after mid November. Checksums
for the metadata will also go in at this point. ATM problems are
spotted by consistency checks (the is a lot of duplication between the
pv's). If a problem is spotted the administrator can restore from the
automatic metadata backups.
- Joe
next prev parent reply other threads:[~2001-10-09 7:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-08 20:42 [linux-lvm] LVM metsdata Lee Go-Tze
2001-10-09 7:47 ` Joe Thornber [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-10-09 18:30 RLambert1
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