On 22 January 2015 at 10:54, Greg Zartman via smartos-discuss < [email protected]> wrote:
> was your disk marked as bad (and the pool marked degraded) or was there >> some other way of determining your disk was "bad" ? >> and what does your original test look like (was 90-ish MB/s with "bad" >> disk plus slog) without the "bad" disk? >> > > > No, it looked fine when I did zpool status. I was just getting horrible > performance in my KVM zone. I added the an intel 3700 and it didn't make > much difference. SIGXCPU from the IRC channel helped me run an i/o test on > all devices in the pool and the bad device was pegged at 100% usage while > the slog and other devices where just idling. I pulled that one device > from the pool and the performance in the KVM VM container shot up and the > iostate of the devices showed pretty equal usage across the pool. > > Was this bad disk that root cause of your KVM i/o issues? I guess it's a bit hard to remove the slog now. Although wont the pool keep operating if you offline it? Nicholas ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
