From: "Daniele P." <daniele@interline.it>
To: xfs@oss.sgi.com
Subject: Re: xfsdump -s unacceptable performances
Date: Thu, 17 Aug 2006 08:58:11 +0200 [thread overview]
Message-ID: <200608170858.11697.daniele@interline.it> (raw)
In-Reply-To: <44E3C6D5.2080704@sgi.com>
On Thursday 17 August 2006 03:31, you wrote:
> Daniele P. wrote:
> > But xfsdump still doesn't scale down well with a small subtree on a
> > large filesystem.
>
> That is very true.
> It is really designed for dumping whole filesystems (or at least,
> large parts of them).
> For dumping small subtrees, I'd be looking at using something else.
Hi Timothy,
Yes, you are right, but there is another problem on my side.
The /small/ subtree of the filesystem usually contains a lot of hard
links (our backup software uses hard links to save disk space, so
expect one hard link per file per day) and using a generic tool like
tar/star or rsync that uses "stat" to scan the filesysem should be
significant slower (no test done) than a native tool like xfsdump, as
Bill in a previous email pointed out.
It seems that there isn't a right tool for this job.
Regards,
Daniele
next prev parent reply other threads:[~2006-08-17 6:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-16 13:15 xfsdump -s unacceptable performances Daniele P.
2006-08-16 14:38 ` Klaus Strebel
2006-08-16 18:01 ` Daniele P.
2006-08-17 1:31 ` Timothy Shimmin
2006-08-17 6:58 ` Daniele P. [this message]
2006-08-17 12:29 ` Peter Grandi
2006-08-16 16:38 ` Bill Kendall
2006-08-16 18:05 ` Daniele P.
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