> 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
When you say Priscilla, didn't you want to share it with us :) I'm interested... Simon > 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 >
