https://bugzilla.kernel.org/show_bug.cgi?id=187221
Bug ID: 187221
Summary: HPSA resetting logical / reset logical
Product: IO/Storage
Version: 2.5
Kernel Version: 4.4.x, 4.8.x
Hardware: Intel
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: SCSI
Assignee: linux-scsi@vger.kernel.org
Reporter: kernel...@bof.de
Regression: No
I have about 20 HP DL 380 (some 360) servers, from Gen7 to Gen9, using the HPSA
driver with various smartarray controllers.
For a long time I've been running mainline 3.14 kernels, without any issues.
Some time ago I updated to mainline 4.4.x, up to the most recent 4.4.30.
Now I noticed, especially on one server, but in the logs on 6 of them, the
following kind of message:
2016-11-06T22:09:50.227592+01:00 HOST kernel: [68853.338610] hpsa 0000:03:00.0:
scsi 0:1:0:0: resetting logical Direct-Access HP LOGICAL VOLUME
RAID-5 SSDSmartPathCap- En- Exp=1
2016-11-06T22:10:18.713759+01:00 HOST kernel: [68881.832436] hpsa 0000:03:00.0:
scsi 0:1:0:0: reset logical completed successfully Direct-Access HP
LOGICAL VOLUME RAID-5 SSDSmartPathCap- En- Exp=1
I see such messages, _usually_ only with 1 second between resetting/reset, on
machines with the following controller+controller firmware variants:
1 P410i 5.14
1 P420i 5.42
2 P440ar 3.02
1 P440ar 3.56
1 P440ar 4.02
The one machine for which I've shown the concrete message, is a P440ar with
firmware 3.02. There, contrary to the other machines, it sometimes takes up to
20 seconds for that resetting operation, and meanwhile, all I/O stalls.
I also tested with 4.8.x kernels, and saw the same symptoms there. I'm somewhat
sure that I did not see these with 3.14 kernels. This morning I rebooted the
most problematic box to 3.14.79, so far it was silent. I'll report if that
changes.
Apart from these log lines, there is nothing strange to be found - no ILO or
IML notifications visible, no other kernel messages, no drive failures, SMART
alerts, or performance regressions...
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