cyrus imap and high avaibility solutions for 5000 emails

Sebastian Hagedorn Hagedorn at
Fri Jul 27 09:38:08 EDT 2012


--On 27. Juli 2012 15:16:37 +0200 Josef Karliak <karliak at> wrote:

>  Good afternoon,
>    I've some questions about some expericiencies or recommendations for
> HA solutions for cyrus imap.
>    We've about 3000 emails, now on HP DL380G7, data for "/var/spool/imap"
> (including "config directory) is provided by HP EVA over two HBA SAN
> cards. I want to make a HA solution. My idea is:
>    drive provided by san storage will be used for drbd device, so it
> could be used on a secondary server. Solution will be active/pasive, I'll
> start secondary server only when I wanna to update primary server or
> reboot it. Operating system - SLES11SP2
>    Do you've some experiencies with this? How do you share user's
> "/var/spool/imap" between servers?

we use Red Hat cluster suite instead, but the principles are the same:


We have roughly 50,000 accounts with about 7 TB of storage.

Cheers, Sebastian
     .:.Sebastian Hagedorn - RZKR-R1 (Gebäude 52), Zimmer 18.:.
                 .:.Regionales Rechenzentrum (RRZK).:.
.:.Universität zu Köln / Cologne University - ✆ +49-221-478-5587.:.
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