We're running a Cyrus IMAP server on a T2000 under Solaris 10 with
about 1 TB of mailboxes on ZFS filesystems. Recently, when under
load, we've had incidents where IMAP operations became very slow. The
general symptoms are that the number of imapd, pop3d, and lmtpd
processes increases, the CPU
On Sun, Apr 12, 2009 at 10:49:49AM -0700, Richard Elling wrote:
Gary Mills wrote:
We're running a Cyrus IMAP server on a T2000 under Solaris 10 with
about 1 TB of mailboxes on ZFS filesystems. Recently, when under
load, we've had incidents where IMAP operations became very slow. The
general
On Sun, Apr 12, 2009 at 12:23:03PM -0700, Richard Elling wrote:
These disks are pretty slow. JBOD? They are not 100% busy, which
means that either the cached data is providing enough response to the
apps, or the apps are not capable of producing enough load -- which
means the bottleneck may
On Sun, Apr 12, 2009 at 7:24 PM, Miles Nordin car...@ivy.net wrote:
nl Supermicro have several LSI controllers. AOC-USASLP-L8i with
nl the LSI 1068E
That's what I'm using. It uses the proprietary mpt driver.
nl and AOC-USASLP-H8iR with the LSI 1078.
I'm not using this.
nl
On Sun, Apr 12, 2009 at 05:01:57PM -0400, Ellis, Mike wrote:
Is the netapp iscsi-lun forcing a dull sync as a part of zfs's
5-second synx/flush type of thing? (Not needed tince the netapp
guarantees the write once it acks it)
I've asked that of our Netapp guy, but so far I haven't heard from
Gary,
How full is the pool ?
-- Sanjeev
On Sun, Apr 12, 2009 at 08:39:03AM -0500, Gary Mills wrote:
We're running a Cyrus IMAP server on a T2000 under Solaris 10 with
about 1 TB of mailboxes on ZFS filesystems. Recently, when under
load, we've had incidents where IMAP operations became very
