Re: storing mail across several cyrus partitions

2007-09-04 Thread Artem Bokhan
> We are using XFS on LVM for years now with cyrus-imapd and it has always > worked very well. Online expansion with this combination has saved us from > many hours of downtime over the years. > > Simon > Checking several 1Tb-20Tb filesystem with large amount of small files will take a while..

Re: storing mail across several cyrus partitions

2007-09-04 Thread Artem Bokhan
Bron Gondwana ?: > Besides, > how are you planning to decide which messages go on which partition? > Some sort of hash of the UID? > > Possible, just configurable ratio balancing... > (reiserfs, it's the only Linux filesystem > with anywhere _near_ the performance profile under heavy load

Re: storing mail across several cyrus partitions

2007-09-04 Thread Artem Bokhan
Bron Gondwana ?: > Besides, > how are you planning to decide which messages go on which partition? > Some sort of hash of the UID? > > Possible, just configurable ratio balancing... > (reiserfs, it's the only Linux filesystem > with anywhere _near_ the performance profile under heavy load

Re: storing mail across several cyrus partitions

2007-09-03 Thread Artem Bokhan
> Cyrus puts one folder on one partition. you can put subfolders on > other partitions, but you cant have two partitions connected with one > folder. > Cyrus has no way to decide where it would store the email on disk and > it would cost more time to merge these partitions in memory if a usere

Re: storing mail across several cyrus partitions

2007-09-03 Thread Artem Bokhan
It's not exactly what I need... I'm intrested in possibility of storing messages from one (IMAP) folder on different filesystems... David Carter ?: > On Sun, 2 Sep 2007, Bokhan Artem wrote: > >> Sorry, I didn't understand you clearly... Did you mean, that >> subfolders of single user may be

Re: storing mail across several cyrus partitions

2007-08-31 Thread Artem Bokhan
>> Hi, >>> >>> --On 30. August 2007 15:31:31 +0700 Artem Bokhan <[EMAIL PROTECTED]> >>> wrote: >>> >>>> Can anybody estimate amount of work needed to make messages of a >>>> single >>>> user (mailbox) could be store

Re: storing mail across several cyrus partitions

2007-08-30 Thread Artem Bokhan
Sebastian Hagedorn пишет: > Hi, > > --On 30. August 2007 15:31:31 +0700 Artem Bokhan <[EMAIL PROTECTED]> > wrote: > >> Can anybody estimate amount of work needed to make messages of a single >> user (mailbox) could be stored across several cyrus partitions?

storing mail across several cyrus partitions

2007-08-30 Thread Artem Bokhan
Hello. Can anybody estimate amount of work needed to make messages of a single user (mailbox) could be stored across several cyrus partitions? Is it easy to realize or some fundamental work is needed? Can anybody give comments? I would like to make extendable (by size) user mailboxes, but I do

master-master replication

2007-07-29 Thread Artem Bokhan
Is it possible to create master-master replication with cyrus, where the same user always connects the same node? Are there any limitations? Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/maili