Zitat von [EMAIL PROTECTED]: > Hi, > > I'm looking at setting up IMAP servers for a mid-sized (2,000-3,000) > company with several sites around the world. I've run Cyrus myself > for years, and I'm very happy with it. But, I'd like to collect > some > configurations from people with large scale installations (CMU does > not count :).
Ok here it goes... > The version(s) of Cyrus you are running Cyrus IMAP 2.1.12 > The specs of the servers you have (cpu,mem,disk,os, etc) Dual-Xeon 2,8 GHz, 4GB RAM, 1 TB FiberChannel RAID/SAN, 2 FC-Cards (QLOGIC 2300) OS: Linux 2.4.20, FC Driver: qla2300.o with failover option, automatic switchover to working FiberChannel path in case of failure of primary SAN switch Filesystem: SGI XFS 1.2.0 with quota enabled. Cyrus mail store partition: 700 Gigabytes Cyrus IMAP is here part of the Priscilla Software Package (complete integration Postfix, Cyrus, automatic vacation replies and LDAP). All maintenance is done via LDAP (quotas et.al.). I am on my way to write a web site with this package for others to deploy it. Webmail (on a different machine): IMP 3.2.1, communicates via IMAPv4 and LDAPv3. No crashes or problems since start of this project. We moved from Sun iPlanet to Cyrus and I wrote some daemons and programs to form an LDAP based package. The mail machine(s) are part of a mail DMZ. We have 2 front bastion mail servers for in/output (postfix), 2 virus scanning machines (postfix/amavis) and the Cyrus IMAP server. Load is highest on the virus scanners due to their CPU-intensive tasks. Next step is integration to a HA environment using Linux-HA project (heartbeat et.al.) with a second machine with the same configuration. > How many accounts on each server. Approx 11000 (in LDAP tree). > The average and peak number of users on each server at a time Running imapd processes: approx 300. Running pop3d processes: approx 20. > The average and peak number of messages in a folder for your users > (go ahead and estimate here...) Max folder: one of my folders with 31000 messages in it. We have 1,5 million message files and 30000 folders, so the average is approx 50 files per folder. People are largely using IMP webmail resulting in many imapd logons and logoffs. > Are you using murder? If so, describe your proxies and mupdate > server. No. > > Any random thoughts you have. Would you pick Cyrus if you were free > to start over right now? etc. Yes, absolutely. > What info about you (firstname, lastname, email, organization) is it > ok > for me to list with your info. (none at all is fine, and that's what > I'll > assume if you don't say otherwise) Pascal, Gienger, [EMAIL PROTECTED], University of Konstanz, South Germany. I am not constantly employed at the computing centre, it is a project based work so because it works so flawlessly I am getting unemployed soon, searching for the next project. Pascal
