https://bugzilla.novell.com/show_bug.cgi?id=828825 https://bugzilla.novell.com/show_bug.cgi?id=828825#c0 Summary: Write performance degradation on SLES11SP2 Classification: openSUSE Product: openSUSE 11.4 Version: Final Platform: 32bit OS/Version: openSUSE 11.2 Status: NEW Severity: Normal Priority: P5 - None Component: Other AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: Vadim.Loskutov@emc.com QAContact: qa-bugs@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0 EMC Centera migrated from SLES 10 to SLES11SP2. Recently we've got a number of escalations from Centera customers complaining about degraded write performance on latest Centera release. We've been struggling for quite long time to perform RCA of this issue and are still working on it. Logs that we've captured from the customers' sites indicate that there are some issues with filesystem (fsync takes quite long time). - Centera is using ReiserFS. - We tried changing C-State (https://www.suse.com/support/kb/doc.php?id=7011982), however got even worse results Reproducible: Couldn't Reproduce Steps to Reproduce: Issue is reproduced only at Customer's site Actual Results: See details -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.