Re: rbd cache + libvirt

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On Tue, Jun 9, 2015 at 11:51 AM, Alexandre DERUMIER <aderumier@xxxxxxxxx> wrote:
>>>Thanks Alexandre, so you are confirming that this exact case misbehaves?
>
> The rbd_cache value from ceph.conf always override the cache value from qemu.
>
> My personnal opinion is this is wrong. qemu value should overrive the ceph.conf value.
>
> I don't known what happen in a live migration for example, if rbd_cache in ceph.conf is different on source and target host ?
>
>


Yes, you are right. The destination process in a live migration
behaves as an independently launched copy, it does not inherit those
kind of parameters from source emulator.
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