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Re: [PATCH] xfsdump: incremental dump directory selection

To: Bill Kendall <wkendall@xxxxxxx>
Subject: Re: [PATCH] xfsdump: incremental dump directory selection
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 28 Oct 2011 05:37:52 -0400
Cc: xfs@xxxxxxxxxxx
In-reply-to: <1319214933-16276-1-git-send-email-wkendall@xxxxxxx>
References: <1319214933-16276-1-git-send-email-wkendall@xxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Fri, Oct 21, 2011 at 11:35:33AM -0500, Bill Kendall wrote:
> When doing incremental backups, xfsdump does a recursive scan through
> the filesystems to determine the proper set of unchanged directories
> to include in the dump in order to make the dump self-contained
> (allowing files to be restored from this dump without applying the
> base dumps first).
> 
> For high-inode count filesystems, the recursive scan may consume a
> significant portion of the backup time. This patch adds a -D option
> which causes xfsdump to skip the recursive scan. Unchanged directories
> will not be dumped, so the base dump(s) will have to be loaded prior
> to restoring files from the dump. When restoring files from such a
> dump, a message is issued to alert the user that files may end up in
> the orphanage if the base dump(s) has not been applied.

Any chance you could submit some xfstests coverage for this feature?

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