Re: [zfs-discuss] ZFS jammed while busy

2008-05-20 Thread Bob Friesenhahn
On Tue, 20 May 2008, Marion Hakanson wrote: > You've probably already seen/heard this, but I haven't seen it mentioned > in this thread. The consensus is, and measurements seem to confirm, that > splitting it into two vdev's will double your available IOPS for small, > random read loads on raidz/r

Re: [zfs-discuss] ZFS jammed while busy

2008-05-20 Thread Marion Hakanson
[EMAIL PROTECTED] said: > I'm curious about your array configuration above... did you create your > RAIDZ2 as one vdev or multiple vdev's? If multiple, how many? On mine, I > have all 10 disks set up as one RAIDZ2 vdev which is supposed to be near the > performance limit... I'm wondering how much

Re: [zfs-discuss] ZFS jammed while busy

2008-05-15 Thread Scott
> I'm curious about your array configuration above... > did you create your > RAIDZ2 as one vdev or multiple vdev's? If multiple, > how many? On mine, I > have all 10 disks set up as one RAIDZ2 vdev which is > supposed to be near > the performance limit... I'm wondering how much I > would gain by

Re: [zfs-discuss] ZFS jammed while busy

2008-05-15 Thread Simon Breden
Hi Arthur, I've seen a lockup type situation which might possibly be similar to what you've described. I didn't wait 1 hour though to see if it resolved itself so I had to reboot. I have described the saga here: http://www.opensolaris.org/jive/thread.jspa?threadID=59201&tstart=0 I haven't manag

Re: [zfs-discuss] ZFS jammed while busy

2008-05-14 Thread Brandon High
On Tue, Apr 22, 2008 at 8:24 AM, Arthur Person <[EMAIL PROTECTED]> wrote: > Does this kind of problem sound familiar to anyone? Is it a ZFS problem, > or have I hit some sort of ZFS load maximum and this is the response? > Any suggestions for ways to avoid this are welcome... I think I've seen

Re: [zfs-discuss] ZFS jammed while busy

2008-05-14 Thread MC
This sounds like an important problem > > Hi... > > > > Here's my system: > > > > 2 Intel 3 Ghz 5160 dual-core cpu's > > 0 SATA 750 GB disks running as a ZFS RAIDZ2 pool > > 8 GB Memory > > SunOS 5.11 snv_79a on a separate UFS mirror > > ZFS pool version 10 > > No separate ZIL or

Re: [zfs-discuss] ZFS jammed while busy

2008-05-14 Thread ap60
Scott, On Sun, 4 May 2008, Scott wrote: >> Hi... >> >> Here's my system: >> >> 2 Intel 3 Ghz 5160 dual-core cpu's >> 10 SATA 750 GB disks running as a ZFS RAIDZ2 pool >> 8 GB Memory >> SunOS 5.11 snv_79a on a separate UFS mirror >> ZFS pool version 10 >> No separate ZIL or ARC cac

Re: [zfs-discuss] ZFS jammed while busy

2008-05-04 Thread Scott
> Hi... > > Here's my system: > > 2 Intel 3 Ghz 5160 dual-core cpu's > 0 SATA 750 GB disks running as a ZFS RAIDZ2 pool > 8 GB Memory > SunOS 5.11 snv_79a on a separate UFS mirror > ZFS pool version 10 > No separate ZIL or ARC cache > ran into a problem today where the ZFS pool ja

[zfs-discuss] ZFS jammed while busy

2008-04-22 Thread Arthur Person
Hi... Here's my system: 2 Intel 3 Ghz 5160 dual-core cpu's 10 SATA 750 GB disks running as a ZFS RAIDZ2 pool 8 GB Memory SunOS 5.11 snv_79a on a separate UFS mirror ZFS pool version 10 No separate ZIL or ARC cache I ran into a problem today where the ZFS pool jammed