[Dovecot] strange fsync errors

[Timo Sirainen]

On Wed, 2007-09-26 at 08:54 +0200, Hermann wacker wrote:
> Mailserv:~# cat /var/log/mail.log.* | grep fsync
> Sep 20 16:08:40 Mailserv dovecot: IMAP(aicher-fre-domain-com):
> fsync(/home/aicher-fre-domain-com/mails/.Sent/tmp/1190297319.P5290Q0M979653.Mailserv)
> failed: Input/output error
> Sep 20 16:08:48 Mailserv dovecot: IMAP(aicher-fre-domain-com):
> fsync(/home/aicher-fre-domain-com/mails/.Sent/tmp/1190297328.P5290Q1.Mailserv)
> failed: Input/output error
> Sep 20 16:18:24 Mailserv dovecot: IMAP(aicher-fre-domain-com):
> fsync(/home/aicher-fre-domain-com/mails/.Sent/tmp/1190297904.P5290Q3.Mailserv)
> failed: Input/output error
> Sep 20 16:23:20 Mailserv dovecot: IMAP(aicher-fre-domain-com):
> fsync(/home/aicher-fre-domain-com/mails/.Sent/tmp/1190298200.P5290Q6.Mailserv)
> failed: Input/output error
> 
> The /home/ dirs are at a simple RAID 1 System, ext2 filesystem. No NFS
> or other networkstuff.
> I'm on a Debian Etch with dovecot  1.0.rc15-2
> 
> Any hints what this can be?

The I/O error comes from the kernel. Check dmesg to see if it has
reported hard disk failures.

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