On 02/09/2014 11:08 PM, ml ml wrote:
Yes, the only thing which brings the wirte I/O almost on my Host Level
is by enabling viodiskcache = writeback.
As far as i can tell this is caching enabled for the guest and the host
which is critical if sudden power loss happens.
Can i turn this is on if i have a BBU in my Host System?
I was referring to the set of gluster volume tunables in [1]. These
options can be enabled through "volume set" interface in gluster CLI.
The quorum options are used for providing tolerance against split-brains
and the remaining ones are recommended normally for performance.
-Vijay
[1]
https://github.com/gluster/glusterfs/blob/master/extras/group-virt.example
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