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

Liu Yuan namei.unix at gmail.com
Wed Jan 23 11:15:27 UTC 2013


On 01/23/2013 07:10 PM, Daniel P. Berrange wrote:
> BTW, where is this local disk cache kept in the filesystem ? For proper
> security isolation between VMs, the cache location needs to be different
> for each VM and needs to be included in the SELinux policy.

it is kept as default in /sheep_store/cache/vdi/xxx (users can specify
it to another path, such as a faster storage to boots performance) and
every VM has its dedicated directory to cache its own blocks (maps to
sheepdog objects).

Thanks,
Yuan



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