cyrus imap and high avaibility solutions for 5000 emails

"[SOLTECSIS] Carles Xavier Munyoz Bald "[SOLTECSIS] Carles Xavier Munyoz Bald
Fri Jul 27 12:01:20 EDT 2012

We have a forr nodes cluster with DRBD over each pair of nodes for the 
mailboxes store and more than 14000 mailboxes without problems.

Best regards.

On 27/07/12 15:16, Josef Karliak 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?
>    Thanks for your time and advices
>    Best regards
>    J.Karliak.
>    P.S. On my own small mail server with cyrus I'm using drbd for
> sharing data of imap, apache2 and mysql between two servers, so far so
> good, but a few users and 5000 users is different i suppose :)
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Carles Xavier Munyoz Baldó
Departamento de Tecnología
Tel./Fax: 966 446 046
cmunyoz at

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