Re: [Dovecot] Creating an IMAP repo for ~100 users need some advice

2012-03-18 Thread Stan Hoeppner
On 3/17/2012 4:24 PM, Kaya Saman wrote: Long story but we don't have any control over our mail server which is handled by the parent company abroad and is on MS Exchange. To use an IMAP storage solution is the only way to get rid of pesky MS .pst files which have been causing everyone grief

Re: [Dovecot] Creating an IMAP repo for ~100 users need some advice

2012-03-18 Thread Kaya Saman
On 03/18/2012 09:16 AM, Stan Hoeppner wrote: On 3/17/2012 4:24 PM, Kaya Saman wrote: Long story but we don't have any control over our mail server which is handled by the parent company abroad and is on MS Exchange. To use an IMAP storage solution is the only way to get rid of pesky MS .pst

Re: [Dovecot] Creating an IMAP repo for ~100 users need some advice

2012-03-18 Thread Timo Sirainen
On 18.3.2012, at 0.28, Sven Hartge wrote: mbox has big problems with concurrent writes, the bigger the mbox is, the more problems you get. This is mainly caused by the meta-data of a message (meaning flags, status, etc.) which is stored inside the mbox file itself. Flagging a message as read

Re: [Dovecot] Creating an IMAP repo for ~100 users need some advice

2012-03-18 Thread Sven Hartge
Timo Sirainen t...@iki.fi wrote: On 18.3.2012, at 0.28, Sven Hartge wrote: mbox has big problems with concurrent writes, the bigger the mbox is, the more problems you get. This is mainly caused by the meta-data of a message (meaning flags, status, etc.) which is stored inside the mbox file

Re: [Dovecot] Creating an IMAP repo for ~100 users need some advice

2012-03-18 Thread Charles Marcus
On 2012-03-18 5:16 AM, Stan Hoeppner s...@hardwarefreak.com wrote: Is your problem with the PST files themselves, or merely the fact they're stored on the local PC, probably in the users' roaming profiles, thus creating the problem of large data movement during logon/off? If so, using

Re: [Dovecot] Creating an IMAP repo for ~100 users need some advice

2012-03-18 Thread Charles Marcus
On 2012-03-18 11:15 AM, Timo Sirainen t...@iki.fi wrote: Only time when the entire mbox file is rewritten is when you expunge the first message. Hmmm... wonder if there would be a way to add some kind of 'dummy' first message that dovecot would simply ignore (not show to the user), that

Re: [Dovecot] Creating an IMAP repo for ~100 users need some advice

2012-03-18 Thread Jan-Frode Myklebust
On Sun, Mar 18, 2012 at 11:36:25AM -0400, Charles Marcus wrote: Hmmm... wonder if there would be a way to add some kind of 'dummy' first message that dovecot would simply ignore (not show to the user), that would prevent that bevaior? That's what uw-imap does. It creates a message with the

Re: [Dovecot] Creating an IMAP repo for ~100 users need some advice

2012-03-18 Thread Timo Sirainen
On 18.3.2012, at 17.36, Charles Marcus wrote: On 2012-03-18 11:15 AM, Timo Sirainen t...@iki.fi wrote: Only time when the entire mbox file is rewritten is when you expunge the first message. Hmmm... wonder if there would be a way to add some kind of 'dummy' first message that dovecot

[Dovecot] mdbox and filesystem quota

2012-03-18 Thread Arkadiusz Miśkiewicz
http://wiki2.dovecot.org/MailboxFormat/dbox Expunging a message only decreases the message's refcount. The space is later freed in purge step. This is typically done in a nightly cronjob when there's less disk I/O activity. What happens if there is filesystem hard quota that is exceeded?

Re: [Dovecot] mdbox and filesystem quota

2012-03-18 Thread Timo Sirainen
On 18.3.2012, at 23.00, Arkadiusz Miśkiewicz wrote: http://wiki2.dovecot.org/MailboxFormat/dbox Expunging a message only decreases the message's refcount. The space is later freed in purge step. This is typically done in a nightly cronjob when there's less disk I/O activity. What

Re: [Dovecot] mdbox and filesystem quota

2012-03-18 Thread Arkadiusz Miśkiewicz
On Sunday 18 of March 2012, Timo Sirainen wrote: On 18.3.2012, at 23.00, Arkadiusz Miśkiewicz wrote: http://wiki2.dovecot.org/MailboxFormat/dbox Expunging a message only decreases the message's refcount. The space is later freed in purge step. This is typically done in a nightly cronjob

Re: [Dovecot] mdbox and filesystem quota

2012-03-18 Thread Timo Sirainen
On 18.3.2012, at 23.52, Arkadiusz Miśkiewicz wrote: Expunging a message only decreases the message's refcount. The space is later freed in purge step. This is typically done in a nightly cronjob when there's less disk I/O activity. What happens if there is filesystem hard quota that is