[Linux-cluster] CLVM performance

Heiko Nardmann heiko.nardmann at itechnical.de
Wed Oct 24 15:01:03 UTC 2012


Am 24.10.2012 16:38, schrieb Andrew Holway:
> Hello,
>
> Ive been doing some testing.
> I have an iSCSI device that I have set up with CLVM. 
> I have 4 physical hosts, all with top of the range xeons and 144GB ram. 
> I have 12 KVM machines per physical machine with a total of 48 VMs.
> Each KVM is mounted on a LV.
> The performance is not very good.
> I am not a fish.
>
> Could CLVM be the bottleneck? Especially with so many LV's?
> I though I would ask before I set up 48 physical luns on the iSCSI device :)
>
> Thanks,
>
> Andrew
>
>
>
>
Looks like you should open a ticket with RedHat and give them/us some
more infos (including expected perf. vs. experienced perf., cluster
configuration) ...

Kind regards,

    Heiko




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