On Tue, 10 Apr 2007 06:56:43 -0500 "Nestor A. Diaz" <nestor@xxxxxxxxxxxxxxx> wrote: > Hello People, > > I am a proud cyrus user and fan, right know i need o implement a 15K > users cyrus mailstore, since i have been using cyrus for an average > 400 users mailstore, i will like to hear comments for setting up a > cyrus for a 15K users. > > I currently have a ' postfix / postgresql / cyrus-sasl / cyrus ' > production server working for more than two years without problems, > and i am going to replicate the same configuracion, however since i > am going to have a huge space for mail and people are going to > use a lot of space, aprox. 50 MB per user, i will like to hear some > comments about what should be the best (cyrus / pop3 / imapd) > configuration, i have read on the mail list some configuration that > fastmail.fm use, including pop3, imap proxies and multiple instances > of cyrus, but i like to see more comments about that. > > These are the plans: (comments on every number will be apreciated) > > 1. Linux LVM over a 600 GB RAID 10 ( 4 x 300 GB) > 2. Which filesystem seems to be the better ? ext3 ? xfs ? > reiserfs ? Do NEVER use XFS on GNU/Linux. (C)XFS is a brilliant FS on sgi's IRIX machines, I never lost even a single in more than ten years. On GNU/Linux the implementation totally sucks. I'll stop my rant on GNU/Linux now ;) My guess: ext3. ReiferFS has some very annoying weaknesses that may affect you. Best: ZFS on Solaris ;) > 3. Which options to format the filesystem ? acording to the chosed > filesystem > 4. Which pop3 / imap proxy to use ? > 5. Single instance or multiple instances of cyrus ? taking in mind > that there should be the option to recover a mailbox or some > mail of a mailbox without having to shut down the whole cyrus system. > 6. Best way to perform backups ? LVM snapshots ? shutting down some > cyrus partitions ? RAID10 hot swap ? > 7. Any other suggestion will be welcome. > > Thanks a lot !! > > Slds. > > -- > Nestor A. Diaz > Ingeniero de Sistemas > Tel. +57 1-600-5490 x 211 > Cel. +57 316-227-3593 > Tel. SIP: sip:211@xxxxxxxxxxxxxxx > Email/MSN: nestor@xxxxxxxxxxxxxxx > http://www.tiendalinux.com/ > Bogota, Colombia > > ---- > Cyrus Home Page: http://cyrusimap.web.cmu.edu/ > Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki > List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html > ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
