[Lustre-discuss] e2scan for backup

[Lundgren, Andrew]

How do you do the snapshot?

> -----Original Message-----
> From: lustre-discuss-bounces at lists.lustre.org [mailto:lustre-discuss-
> bounces at lists.lustre.org] On Behalf Of James Braid
> Sent: Wednesday, March 12, 2008 2:37 PM
> To: Jakob Goldbach
> Cc: Lustre User Discussion Mailing List
> Subject: Re: [Lustre-discuss] e2scan for backup
>
> On Wed, Mar 12, 2008 at 10:31 AM, Jakob Goldbach <jakob at goldbach.dk>
> wrote:
> >  Does e2scan require that I take down the MDT before scanning or could I
> >  do this on top of a LVM snapshot ?
>
> You don't need to stop the MDS. We just take a snapshot of the MDS
> device and run e2scan against the snapshot.
>
> >  I can't find references to e2scan it in the manual - is it considered
> >  experimental?
>
> It seems to work well enough but I don't think it's really documented
> anywhere. There's a few bugs in bugzilla that have some useful
> information in them.
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