From: Christoph Hellwig <hch@infradead.org>
To: Bill Kendall <wkendall@sgi.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH] xfsdump: incremental dump directory selection
Date: Fri, 28 Oct 2011 05:37:52 -0400 [thread overview]
Message-ID: <20111028093752.GB23069@infradead.org> (raw)
In-Reply-To: <1319214933-16276-1-git-send-email-wkendall@sgi.com>
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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next prev parent reply other threads:[~2011-10-28 9:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-21 16:35 [PATCH] xfsdump: incremental dump directory selection Bill Kendall
2011-10-28 9:37 ` Christoph Hellwig [this message]
2011-10-28 13:32 ` Bill Kendall
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