Re: Miserable performance of cyrus-imapd 2.3.9 -- seems to be locking issues

2008-03-04 Thread Ian G Batten
On 28 Feb 08, at 2256, Kenneth Marshall wrote: It may be that the software RAID 5 is your problem. Without the use of NVRAM for a cache, all of the writes need all 3 disks. That will cause quite a bottle-neck. In general, RAID5 writes require two reads and two writes, independent of the

Re: Miserable performance of cyrus-imapd 2.3.9 -- seems to be lockingissues

2008-03-04 Thread David Lang
On Tue, 4 Mar 2008, Ian G Batten wrote: software RAID5 is a performance disaster area at the best of times unless it can take advantage of intimate knowledge of the intent log in the filesystem (RAID-Z does this), actually, unless you have top-notch hardware raid controllers, software raid

Vacation

2008-03-04 Thread jakjr
Hi, I made some tests with sieve vacation and it works great ! But the record (timestamp) wrote on deliver.db from expiration time seems only accept the minimum of 3 days ! Is this a feature ?? I'm using cyrus-imapd version 2.2.13 on a debian etch. Thanks. Cyrus Home Page:

using drbd

2008-03-04 Thread mahecha
Does anybody know if this will work with cyrus to create some kind of cyrus cluster? or at least a failover? http://www.drbd.org/ Thanks Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info:

Re: Miserable performance of cyrus-imapd 2.3.9 -- seems to be lockingissues

2008-03-04 Thread Andrew McNamara
it takes long enough to rebuild an array with large drives that the chances of a second drive failing during the rebuild become noticable. Worse, the act of rebuilding can prompt a second, marginal disk to fail. Presumably the mechanics are the head runs through a patch of debris in an otherwise

Fwd: Again: GUID change to SHA1

2008-03-04 Thread Martin Schweizer
( Sorry,again but I did not get an answer until now) Hello Bron 2008/2/25, Bron Gondwana [EMAIL PROTECTED]: On Mon, Feb 25, 2008 at 05:52:34PM +0100, Martin Schweizer wrote: I use FreeBSD 6.3 and cyrus 2.3.11. Below is the manual for the change. Upgrading