[Ocfs-users] Follow up on async I/O question
wim.coekaerts at oracle.com
Wed Mar 24 17:46:09 CST 2004
no that hasn't been solved yet.
I am not sure why we ar still seeing some problems, actually, haven't
had time to look at some of the later reported issues. normally the
1.0.9-x and 1.0.10/11 should work fine. as long as the redologilfes are
created in 1 chunk. there is absolutely no reason why anything else
would fail. but I still have to double check.
On Wed, Mar 24, 2004 at 04:54:25PM -0800, Derek Suzuki wrote:
> A few weeks back we opened a TAR with Oracle support to determine
> whether an OCFS (1.0.9-12) + async configuration was considered supportable.
> At first a technician said yes, but I followed up with Wim's explanation of
> how that combination is potentially troublesome and inadequately tested.
> The technician double-checked, then confirmed that OCFS + async is
> considered risky. He did say that a later Oracle patch would address this.
> Just a couple of days ago, in response to a performance-related TAR,
> another technician said that we should try turning async mode on. When we
> referred him to the previous TAR, he said that the problems have since been
> I just noticed that OCFS 1.0.11 has been released (we skipped 1.0.10
> due to the problems people were reporting). I was wondering if this version
> explicitly addresses the known concerns about async mode, or if the
> technician was misinformed. We do plan to test this release on a QA system,
> but I suspect that any problems would be non obvious.
> Any further info on this matter would be appreciated.
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