Ldirector and IPVS can "sticky" same ip to same server, so the ocfs2 cache still good.
We are trying to saparete the DLM network to ssee any performance issue! []'sf.rique On Wed, Jan 26, 2011 at 6:42 PM, Stan Hoeppner <s...@hardwarefreak.com>wrote: > Luben Karavelov put forth on 1/26/2011 1:21 PM: > > > Finaly we scrapped the ocfs2 setup and moved to less advanced setup: > > We created distinct volumes for every worker on the SAN, formated it with > with > > XFS. The volumes got mounted on different mountpoints on workers. We > setup a > > Pacemaker as cluster manager on the workers, so if worker dies its volume > > gets mounted on another worker and its service IP is brought up there. > > > > As a result we are using a fraction of the IO compared with OCFS, the > wait time > > on the workers dropped significantly, the service got better. > > That's obviously not a "perfectly" load balanced system, but it is an > intriguing > solution nonetheless. XFS will obviously be much faster than OCFS2. > > Are you using the "-o delaylog" mount option? Are you seeing an increase > in > metadata performance due to it? > > -- > Stan >
