Re: High availability email server...

2006-07-28 Thread Fabio Corazza
Rich Graves wrote: > Clustered filesystems don't make any sense for Cyrus, since the > application itself doesn't allow simultaneous read/write. Just use a > normal journaling filesystem and fail over by mounting the FS on the > backup server. Consider replication such as DRDB or proprietary SAN >

Re: High availability email server...

2006-07-28 Thread Fabio Corazza
Pascal Gienger wrote: > There are techniques to handle these situations - for xfs (as an > example) consider having *MUCH* RAM in your machine and always mount it > with logbufs=8. Is XFS so RAM intensive? > I would NEVER suggest to mount the cyrus mail spool via NFS, locking is > important and f

Re: Migrating Cyrus-IMAP to another machine

2006-07-06 Thread Fabio Corazza
David S. Madole wrote: > My limited experience is that you can simply copy both /var/spool/imap > and /var/lib/imap to the new machine if you are trying to migrate > everything. > > One way to do this to minimize downtime if you have a lot of data is to > make a live copy while the old server is s

Migrating Cyrus-IMAP to another machine

2006-07-06 Thread Fabio Corazza
Hi everyone, simple question: is there a fancy method to migrate all the Cyrus IMAP mailboxes and databases from a box to a new one? I'm planning this because the current box is running out of resources (very bad). The old box runs cyrus-imapd-2.2.6-5 and db4-4.1.25-8.1 while new one has cyrus-i