[Linux-cluster] GFS tuning advice sought

[Wendy Cheng]

James Fidell wrote:

>I have a 3-node cluster built on CentOS 5.1, fully updated, providing
>Maildir mail spool filesystems to dovecot-based IMAP servers.  As it
>stands GFS is in its default configuration -- no tuning has been done
>so far.
>
>Mostly, it's working fine.  Unfortunately we do have a few people with
>tens of thousands of emails in single mailboxes who are seeing fairly
>significant performance problems when fetching their email and in this
>instance "make your mailbox smaller" isn't an acceptable solution :(
>
>Is there any GFS tuning I can do which might help speed up access to
>these mailboxes?
>
>
>  
>
You probably need GFS2 in this case. To fix mail server issues in GFS1 
would be too intrusive with current state of development cycle.

-- Wendy