On Thu, Jul 21, 2016 at 5:19 AM, David Gossage <[email protected]> wrote:
> > > On Thu, Jul 21, 2016 at 4:54 AM, Lindsay Mathieson < > [email protected]> wrote: > >> On 21/07/2016 7:10 PM, David Gossage wrote: >> >>> Biggest issue will be changing cache mode of disks which oVirt doesn't >>> expose easily that you had mentioned would now be needed >>> >> >> Just to clarify, I mean the caching mode of the qemu disks, not the >> underlying host filesystem. >> >> > I follow, and I think it an be set just not as a checkbox type flag. I > think you set via custom flag per disk or vm. > What I don't know is if any of the storage tests they do use flags that I > wouldn't have access to that could fail. > I've asked in ovirt users list about it and if anyone is using gluster > 3.7.13 in their 3.6.x line. Redhat gives the impression that due to their > RHS gluster is supposed to be well integrated so I am hoping to get some > feedback on this. > found it oVirt -> edit vm settings -> custom properties -> key viodiskcache : none|writeback|writethrough > >> oVirt doesn't let you touch that? how annoying, its a useful tool and can >> make a huge difference to performance. >> >> -- >> Lindsay Mathieson >> >> >
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