> On Jan 23, 2015, at 12:45 PM, Greg Zartman via smartos-discuss > <[email protected]> wrote: > > A picture says a thousand words, so I thought I'd wrap this discussion up > with a KVM windows server disk performance screenshot. Very good results.
sweet! -- richard > > > Greg J. Zartman, P.E. > President, Principal Engineer > > LEI Engineering & Surveying, LLC > 2160 Davcor Street SE > Salem, Oregon 97302 > Office: 541-683-8383 (ext 103) Cell: 541-521-8449 Fax: 866-232-6790 > www.leiengineering.com <http://www.leiengineering.com/> > > SBA Certified HUBZone Contractor > > On Thu, Jan 22, 2015 at 10:59 AM, Greg Zartman <[email protected] > <mailto:[email protected]>> wrote: > On Thu, Jan 22, 2015 at 10:47 AM, Kim Culhan <[email protected] > <mailto:[email protected]>> wrote: > > What method did you use to locate the bad device ? > > I did a: iostat -xnc 1 in the global zone. I then went into the Centos > KVM in a separate terminal and did a "dd" write to the NFS volume in > question. Watching the global zone terminal iostate output, I monitored what > the %b (% busy) output was for each drive. One of the spindle drives was > maxed at 100%. Sigxcpu (IRC username) suggested that this was the bad drive > and I should try detaching it (This was one drive in a mirrored vdev). I > then did a zpool detach zones <suspected bad device>. I then went back to my > KVM termainal and re-initiated the dd write test. iostate in the global zone > then showed even %b across all devices and my dd write test in the KVM > reported a really good write speed to the NFS volume. > > Hope that helps. > > Greg > > > smartos-discuss | Archives > <https://www.listbox.com/member/archive/184463/=now> > <https://www.listbox.com/member/archive/rss/184463/21953302-fd56db47> | > Modify <https://www.listbox.com/member/?&;> Your Subscription > <http://www.listbox.com/><win_server.PNG> ------------------------------------------- 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
