[openstack-dev] Questions on the virtual disk's cache type

Liu Yuan namei.unix at gmail.com
Wed Jan 23 12:00:34 UTC 2013


On 01/23/2013 07:53 PM, Liu Yuan wrote:
> On 01/23/2013 07:44 PM, Daniel P. Berrange wrote:
>> Oh, when you said 'local disk' earlier I thought that meant local disk
>> to the QEMU that is running, whereas you just meant local to the remote
>> object server node.
> 
> Ah I see, I should have said more clearly. :) Then I guess there is no
> problems.
> 

Well, to be more precise, since Sheepdog support running both VM and
object storage on the same node, if QEMU daemon and sheep daemon happens
to be on the same node, then the object cache does reside on the local
disk which holds QEMU.

Thanks,
Yuan




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