From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: murali krishna <murali.marimekala@gmail.com>
Cc: xfs@oss.sgi.com
Subject: Re: Clarification required about xfs_metadump and xfs_mdrestore
Date: Tue, 27 Sep 2016 10:04:43 -0700 [thread overview]
Message-ID: <20160927170443.GR9314@birch.djwong.org> (raw)
In-Reply-To: <CAOSFFyjWR4ASud5aSoYTJKweWA244oMwT9_LRSzwnr0Qftg7Eg@mail.gmail.com>
On Tue, Sep 27, 2016 at 09:49:11AM -0400, murali krishna wrote:
> Hi All,
>
> Got your email id from Nathan Scott.
>
> Could you please clarify the reasons behind stating below statement in
> xfs_metadump man page.
>
>
>
> *xfs_metadump should not be used for any purposes other than for
> debugging and reporting filesystem problems*
> Man page: http://man7.org/linux/man-pages/man8/xfs_metadump.8.html
>
> I am trying to encrypt my existing xfs drive (/dev/sda2) and would like to
> backup metadata using xfs_metadump and restore it back using xfs_mdrestore
> after encrypting my drive. In order to retain entire contents of my
> realtime partition (/dev/sda1), I need to perform this step.
>
> Can I use xfs_metadump to backup meta-data of xfs and restore it back
> successfully ?
> Why xfs_metadump should be specifically used as debugging tool ? Please
> clarify ?
Uh.... if your goal is to back up data, reformat the storage with a crypto
layer, and then restore the data, why not just use xfsdump/xfsrestore?
Your data will end up all nicely defragmented, too.
--D
>
> Thanks in Advance,
> Murali
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> xfs mailing list
> xfs@oss.sgi.com
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next prev parent reply other threads:[~2016-09-27 17:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 13:49 Clarification required about xfs_metadump and xfs_mdrestore murali krishna
2016-09-27 16:35 ` Eric Sandeen
2016-09-27 17:04 ` Darrick J. Wong [this message]
2016-09-27 17:14 ` Eric Sandeen
2016-09-27 17:27 ` murali krishna
2016-09-27 21:41 ` Dave Chinner
2016-09-28 1:29 ` murali krishna
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