Re: [rdiff-backup-users] Warning: Attempt to rename over same inode

[Dominic Raferd]

On 29/03/2014 12:40, Marcus Schopen wrote:

Hi,

I got these warnings today, when running an rdiff-backup on some of my
cyrus mailboxes. I did a lvm snap before running backup:

Warning: Attempt to rename over same
inode: /backup/var/spool/cyrus/mail/a/user/archive/nagios/rdiff-backup.tmp.863 to /backup/var/spool/cyrus/mail/a/user/archive/nagios/515.

What is this about? A rdiff-backup -l /backup/ shows no problems,
rdiff-backup --verify /backup/ is fine (Every file verified
successfully.).

Ciao!
Marcus

Marcus, see this old thread: http://lists.nongnu.org/archive/html/rdiff-backup-users/2008-07/msg00121.html. Andrew Ferguson's suggestion (he was the maintainer of rdiff-backup at the time) is that it indicates an error in the underlying filesystem, but this is unconfirmed. I presume that current versions of rdiff-backup include Andrew's fix whereby the error is ignored by rdiff-backup which runs to completion.

Could it be something to do with needing to quiesce cyrus before/while taking the snapshot? There's a possible methodology here: http://comments.gmane.org/gmane.mail.imap.cyrus/21939

Dominic
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