From: bugzilla-daemon@bugzilla.kernel.org
To: linux-scsi@vger.kernel.org
Subject: [Bug 16463] New: aic7xxx: fails to notice if a disk is unplugged
Date: Sun, 25 Jul 2010 21:27:22 GMT [thread overview]
Message-ID: <bug-16463-11613@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=16463
Summary: aic7xxx: fails to notice if a disk is unplugged
Product: SCSI Drivers
Version: 2.5
Kernel Version: 2.6.32-24-generic
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: scsi_drivers-other@kernel-bugs.osdl.org
ReportedBy: rercola@acm.jhu.edu
Regression: No
I have an external 7-disk array of SCA disks, connected to a backplane, with a
disk module that speaks 40-pin Fast SCSI:
[ 15.992335] scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
[ 15.992336] <Adaptec 2940 SCSI adapter>
[ 15.992337] aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs
I was testing my RAID-6 setup on these, so I yanked one of them while they were
in an MD. dmesg didn't report any change in disk status, and while any IO to
the disk stalled in state D forever, Linux never noticed the disk was gone.
I tried using the convenient script I keep around for forcing rescans of SCSI
and its related friends, which can be found at
http://bash.cyberciti.biz/diskadmin/rescan-linux-scsi-bus/, but even after
running that, the controller still didn't notice the disk was missing.
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next reply other threads:[~2010-07-25 21:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-25 21:27 bugzilla-daemon [this message]
2012-08-09 15:01 ` [Bug 16463] aic7xxx: fails to notice if a disk is unplugged bugzilla-daemon
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