BackupPC-users

[BackupPC-users] backuppc 3.0.0: another xfs problem?

2008-12-18 11:28:05
Subject: [BackupPC-users] backuppc 3.0.0: another xfs problem?
From: "Thomas Smith" <thomathom AT gmail DOT com>
To: backuppc-users AT lists.sourceforge DOT net
Date: Thu, 18 Dec 2008 11:25:33 -0500
Hi,

I'm running BackupPC 3.0.0 under Ubuntu.  I'm having problems similar
to the ones some people have had with 3.1.0 on XFS, but I also did
some other odd things before this started happening, so I want to
relate the whole scenario, in case I did something else to break it.

I accidentally corrupted the filesystem /var/lib/backuppc lived on.
Luckily, I had a backup of the backup filesystem (which contains about
700GB of compressed data), just a giant tarball of the whole thing,
sitting on another server.  It was from a couple weeks ago.  So I blew
away the old (ext3) volume from my LVM volume group and put a new XFS
filesystem in its place, then I extracted the tarball, giving me a
several-week-old snapshot of BackupPC.  Then I just started BackupPC
up again.  Now, BackupPC_nightly takes a zillion years to run:

2008-12-16 01:00:01 Running 2 BackupPC_nightly jobs from 0..15 (out of 0..15)
2008-12-16 01:00:01 Running BackupPC_nightly -m 0 127 (pid=7491)
2008-12-16 01:00:01 Running BackupPC_nightly 128 255 (pid=7492)
[...]
2008-12-16 23:11:42 Finished  admin1  (BackupPC_nightly 128 255)
2008-12-16 23:12:42 BackupPC_nightly now running BackupPC_sendEmail
2008-12-16 23:12:45 Finished  admin  (BackupPC_nightly -m 0 127)

It used to take about an hour, now it takes 22 hours.

I found mailing list threads about similar problems in 3.1.0, but they
seemed to have to do with IO::Dirent.pm, which isn't even installed on
my system.  Should I update to 3.1.0 and then install the patch for
the Dirent problem?  Or is it maybe not an XFS bug, and I did
something wrong when I restored the BackupPC filesystem?  Something
else?

Thank you for your help,
-Thomas

-- 
http://resc.smugmug.com/

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