thnx for sharing Andr?!
so in ubuntu 14.04 we can use libgfapi without recompiling qemu?
it works just out of the box (as described in your first link)?
Regards
Bernhard
> Hi Bernhard,
>
> i have nearly the same setup:
> - Ubuntu 14.04.
> - 4 nodes (relplicate distributed)
> - bricks are on lvm on a mdadm raid 10
>
> used bonding (802.3ad/bond-mode 4) before but did not see real benefit
> in speed for vms. depending on what you do 1 gb might be already enough.
> nevertheless we bought 10 ge hardware now
>
> For the vms i recommend to use libgfapi which will have better
> performance and the load of your gluster nodes will go down:
>
>
http://www.gluster.org/community/documentation/index.php/Libgfapi_with_qemu_libvirt
>
> I also used these hints:
>
http://www.gluster.org/community/documentation/index.php/Virt-store-usecase#Tunables
>
> Whats also important:
>
http://joejulian.name/blog/keeping-your-vms-from-going-read-only-when-encountering-a-ping-timeout-in-glusterfs/
>
> Regards
> Andr?
>
> Am 18.12.2014 um 12:39 schrieb Bernhard Glomm:
>> hi all,
>>
>> I'm looking for some performance tuning suggestions for glusterfs.
>>
>> The set is:
>> - 2 server with several bricks each (ubuntu 14.04),
>> - each brick is part of a 2way-mirror between them both
>> - both server are connected with 2 * 1GB NIC
>> - the servers also mount the gluster volumes (fuse)
>> - each gluster volume hosts mainly a single large file (10-20GB)
(VM-Image),
>> sometimes two or three of them
>>
>> My qustions:
>> - Which bond mode would you recommend for this set up?
>> - what are performance parameters/values for "few large files per
gluster volume"
>> - are there some performance parameters regarding the use as vm.image
storage
>> (the vms do some caching by themself?)
>>
>> TIA
>>
>> Bernhard
>>
>>
>>
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>> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>>
>
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