[Bugme-new] [Bug 17551] New: mpt2sas -- spurious hotplug event causes drive drop to drop out of JBOD array
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Tue Aug 31 01:06:02 PDT 2010
https://bugzilla.kernel.org/show_bug.cgi?id=17551
Summary: mpt2sas -- spurious hotplug event causes drive drop to
drop out of JBOD array
Product: SCSI Drivers
Version: 2.5
Kernel Version: 2.6.26 - 2.6.32rc4-scsi-misc
Platform: All
OS/Version: Linux
Tree: Fedora
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: scsi_drivers-other at kernel-bugs.osdl.org
ReportedBy: starlight at binnacle.cx
CC: kashyap.desai at lsi.com
Regression: No
At random interval of between 10 and 40 days a Seagate Momentus drive drops out
of an eight-drive JBOD array attached to a LSI 2008 SAS controller.
LSI 2008
eight Seagate Momentus ST9500420AS SATA drives, JBOD
LVM2 8x striped/RAID0 LV
CentOS 5.5 kernel 2.6.18-194.8.1.el5
MPT2BIOS 7.05.01.00 (2010.09.09)
SAS2008-IT 5.00.00.00
LSI mpt2sas 05.00.00.00
also
CentOS 5.4 kernel 2.6.18-164.10.1.el5
MPT2BIOS 7.03.00.00 (2009-10-12)
SAS2008-IR 4.00.00.00
distro mpt2sas version 01.101.00.00
-----
Striped LV is for logging and recevies moderate write activity for 6.5 hours
each day. Additionally a 'pbzip2' job runs nightly to compress each day's log.
Uncompressed logs run from between 250 and 500 GBs each. Ext4 filesystem.
-----
Originally reported under bug 14831 before exact nature of problem was
identified. See bottom of that report for initial analysis by kdesai.
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