What if you disabled sync (For testing purposes ONLY since is not recommended) on the KVM host?
zfs set sync=disabled zones/UUID-disk0 On Sun, Feb 7, 2016 at 8:48 AM, Sebastien Perreault <[email protected]> wrote: > Hi, > > I have a little performance issue with KVM vm's due to the fact that > they do sync write by default (if my memory serves me right). I > currently have servers which are either Cisco C200M2 or SunFire X2270, > so they have 4 x SATA ports and 2 PCIe slots that's it. Right now I > have 4 x 1TB drives in those, I've used raid mirror, not raid-z, but > still I have some little problems, just with the KVM vm's, native > zones are usually fine. > > Would anybody here have an idea of either a PCIe card or USB dongle I > could use as a ZIL device? I cannot remove the disks for obvious > reason. > > Any tested ideas welcome :) > > My last resort idea would be to transition the KVM linux host into > lx-brand, but it's not something I want to explore first. > > Thanks much, > > -- > Sebastien Perrreault > Partner > Les Technologies Alesium Inc > > "Life's missed opportunities, at the end, may seem more poignant to us > than those we embraced--because in our imagination they have a > perfection that reality can never rival." -- Roger Ebert > ------------------------------------------- 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
