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Date:      Thu, 12 Apr 2012 17:56:31 +0530
From:      "Desai, Kashyap" <Kashyap.Desai@lsi.com>
To:        John Hickey <jjh@deterlab.net>, "freebsd-scsi@freebsd.org" <freebsd-scsi@freebsd.org>
Cc:        "Reddy, Sreekanth" <Sreekanth.Reddy@lsi.com>, "Mankani, Krishnaraddi" <Krishnaraddi.Mankani@lsi.com>, "Kenneth D. Merry" <ken@freebsd.org>
Subject:   RE: Write Timeouts with MPS
Message-ID:  <B2FD678A64EAAD45B089B123FDFC3ED72B96EF94F7@inbmail01.lsi.com>
In-Reply-To: <20120411073532.GC13315@deterlab.net>
References:  <20120410015210.GI9589@deterlab.net> <4F848B93.10402@brockmann-consult.de> <A82E913C-05F6-4770-A8BF-1193780ACE76@deterlab.net> <4F85180D.5060104@brockmann-consult.de> <20120411073532.GC13315@deterlab.net>

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We never see this issue on our test machines.
Adding Sreekanth and he will plan to reproduce this issue locally to have f=
urther analysis on issue.

Please help Sreekanth to reproduce it locally.


~ Kashyap

> -----Original Message-----
> From: owner-freebsd-scsi@freebsd.org [mailto:owner-freebsd-
> scsi@freebsd.org] On Behalf Of John Hickey
> Sent: Wednesday, April 11, 2012 1:06 PM
> To: freebsd-scsi@freebsd.org
> Subject: Re: Write Timeouts with MPS
>=20
> I pretty much did this and filed a ticket with Seagate this afternoon.
> They told me the latest firmware is 0006 (I am at 0001) and wanted
> the serial numbers of the other drives in the array (probably to
> confirm firmware compatibility).  I suspect I'll have the update in
> hand tomorrow and see how that works.  Running FreeBSD didn't seem to
> be an issue to them aside from concern about reading the serial numbers
> without seatools.  Only issue with that was that I initially gave them
> the whole inquiry serial string, but only the first 8 (X) characters of
> inquiry are the serial number:
>=20
>     $ sudo camcontrol inquiry da3
>     pass3: <SEAGATE ST2000NM0001 0001> Fixed Direct Access SCSI-6 device
>     pass3: Serial Number XXXXXXXX0000YYYYYYYY
>     pass3: 600.000MB/s transfers, Command Queueing Enabled
>=20
> John
>=20
> On Wed, Apr 11, 2012 at 07:35:09AM +0200, Peter Maloney wrote:
> > Well, when I emailed some Seagate people, they just told me to use
> > supported ones. So I suggest you email them about it, telling them it
> is
> > on the compatibility list, and asking for an explanation and fix (eg.
> > firmware bug fix). You could also say it is fairly common on seagate
> > (and Samsung) disks, and very uncommon with other brands.
> >
> > Peter
> >
> > On 11.04.2012 00:26, John Hickey wrote:
> > > I have 19 drives in my array, so changing them isn't that easy. ;-)
> They are Seagate Constellation ES 2TB SAS drives (SEAGATE ST2000NM0001
> 0001) and according to LSI documents my whole setup should be supported.
> The drives at least aren't being marked as failed.  I believe a change
> was made a while back to make FreeBSD less sensitive to these sorts of
> timeouts.  I have had a panic or two on the system, but haven't tracked
> down the exact cause yet.
> > >
> > > John
> > >
> > > On Apr 10, 2012, at 12:35 PM, Peter Maloney wrote:
> > >
> > >> I found this only happens with specific disks / disk firmware...
> but
> > >> nobody seems to listen to me about it. They all seem to blame the
> > >> driver. (I blame both, but changing disks is a simple fix.)
> > >>
> > >> And looking around, most reports are with various Seagates
> (including
> > >> one that can cause this type of error with smartctl -a with a SAS
> > >> Seagate, but cannot reproduce with the binary LSI driver) or
> Samsung
> > >> Spinpoints. The only other disk I know of that does this is a
> Crucial
> > >> SSD with old firmware. One guy said he can do a camcontrol rescan
> to get
> > >> it back; I tried that and get either panics, hangs, or nothing.
> > >>
> > >> What HBA are you using? With my LSI 9211-8i HBAs, the new 3TB
> Seagate
> > >> greens don't seem to have this problem. I have no idea if different
> > >> disks behave differently with different controllers. I asked
> Seagate
> > >> about it and they reply with marketing nonsense about buying
> enterprise
> > >> disks instead, and say I should buy disks that are on the specific
> > >> compatibility list for the HBA.
> > >>
> > >> I found that with the few disks that I have that fail randomly (and
> > >> others), I can reproduce the issue (not exact same symptoms though)
> by
> > >> hot pulling the disk while writing something, putting it back, wait
> a
> > >> few seconds (<10; less than enough for the SCSI controller to
> rescan)
> > >> pull and replace again. The old 2TB seagate greens fail this test,
> but
> > >> the 3TB ones pass. All 2 and 3 TB Hitachis I tried pass this test,
> as
> > >> well as 3TB WD greens. (all enterprise disks I tried pass this test
> > >> except the Toshiba 2TB ones I tried)
> > >>
> > >> If I put a "failed" disk back in, it does not work. If I put it in
> a
> > >> different slot, same. But if I put any other disk in, it works
> fine. So
> > >> it is the disk, but it is also FreeBSD not being able to
> reset/rescan
> > >> it. But it is simple enough to blame both, and since you can't get
> rid
> > >> of the driver, get different disks (eg. swap them with some
> different
> > >> same sized ones in a different machine).
> > >>
> > >> Here is my forum thread about it, including disk product ids for
> ones I
> > >> tested, and a huge list of things that don't fix it.
> > >> http://forums.freebsd.org/showthread.php?t=3D28252
> > >>
> > >> Peter
> > >>
> > >>
> > >> On 10.04.2012 03:52, John Hickey wrote:
> > >>> I've seen people having this problem before, but I don't think
> anyone
> > >>> has figured it out.  I am running:
> > >>>
> > >>> FreeBSD zfs 10.0-CURRENT FreeBSD 10.0-CURRENT #5: Sat Apr  7
> 18:05:57 PDT 2012     root@zfs:/usr/obj/usr/src/sys/GENERIC  amd64
> > >>>
> > >>> I have the latest LSI IT firmware 13 loaded:
> > >>>
> > >>> mps1: <LSI SAS2008> port 0xc000-0xc0ff mem 0xfe93c000-
> 0xfe93ffff,0xfe940000-0xfe97ffff irq 16 at device 0.0 on pci5
> > >>> mps1: Firmware: 13.00.01.00, Driver: 13.00.00.00-fbsd
> > >>> mps1: IOCCapabilities:
> 1285c<ScsiTaskFull,DiagTrace,SnapBuf,EEDP,TransRetry,EventReplay,HostDis
> c>
> > >>>
> > >>> All disks are on a SuperMicro SAS II backplane:
> > >>>
> > >>> root@zfs:/usr/ports/sysutils/dmidecode# camcontrol devlist
> > >>> <SEAGATE ST3300657SS 0008>         at scbus0 target 0 lun 0
> (da0,pass0)
> > >>> <SEAGATE ST3300657SS 0008>         at scbus0 target 1 lun 0
> (da1,pass1)
> > >>> <SEAGATE ST2000NM0001 0001>        at scbus1 target 8 lun 0
> (da2,pass2)
> > >>> .... x16 more of the same
> > >>> <SEAGATE ST2000NM0001 0001>        at scbus1 target 46 lun 0
> (da20,pass20)
> > >>> <LSI CORP SAS2X36 0717>            at scbus1 target 47 lun 0
> (ses0,pass21)
> > >>>
> > >>> Essentially when putting the ZFS filesystem under load, I am
> getting
> > >>> these sorts of errors:
> > >>>
> > >>> (da13:mps1:0:21:0): WRITE(10). CDB: 2a 0 19 29 32 f2 0 1 0 0
> length 131072 SMID 213 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da7:mps1:0:13:0): WRITE(10). CDB: 2a 0 19 3d fa ae 0 1 0 0 length
> 131072 SMID 386 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da11:mps1:0:18:0): WRITE(10). CDB: 2a 0 18 a 24 ee 0 1 0 0 length
> 131072 SMID 542 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da14:mps1:0:22:0): WRITE(10). CDB: 2a 0 19 2a c6 b1 0 1 0 0
> length 131072 SMID 214 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da16:mps1:0:25:0): WRITE(10). CDB: 2a 0 19 2b 83 aa 0 1 0 0
> length 131072 SMID 879 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da7:mps1:0:13:0): WRITE(10). CDB: 2a 0 19 40 d f9 0 1 0 0 length
> 131072 SMID 474 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da9:mps1:0:15:0): WRITE(10). CDB: 2a 0 18 c 3 31 0 1 0 0 length
> 131072 SMID 578 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da4:mps1:0:10:0): WRITE(10). CDB: 2a 0 19 41 6f ff 0 1 0 0 length
> 131072 SMID 703 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da12:mps1:0:19:0): WRITE(10). CDB: 2a 0 18 c e5 2e 0 1 0 0 length
> 131072 SMID 684 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da3:mps1:0:9:0): WRITE(10). CDB: 2a 0 19 41 b1 4b 0 1 0 0 length
> 131072 SMID 212 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da9:mps1:0:15:0): WRITE(10). CDB: 2a 0 18 d 1e 5c 0 1 0 0 length
> 131072 SMID 63 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da11:mps1:0:18:0): WRITE(10). CDB: 2a 0 18 d 56 1c 0 1 0 0 length
> 131072 SMID 412 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da4:mps1:0:10:0): WRITE(10). CDB: 2a 0 19 42 2c f1 0 1 0 0 length
> 131072 SMID 1019 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da11:mps1:0:18:0): WRITE(10). CDB: 2a 0 18 d 6d 22 0 1 0 0 length
> 131072 SMID 175 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da7:mps1:0:13:0): WRITE(10). CDB: 2a 0 19 42 62 bc 0 1 0 0 length
> 131072 SMID 458 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da10:mps1:0:16:0): WRITE(10). CDB: 2a 0 18 f 4b d2 0 1 0 0 length
> 131072 SMID 986 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da3:mps1:0:9:0): WRITE(10). CDB: 2a 0 19 43 f4 50 0 1 0 0 length
> 131072 SMID 809 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da2:mps1:0:8:0): WRITE(10). CDB: 2a 0 19 45 4 18 0 1 0 0 length
> 131072 SMID 998 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da13:mps1:0:21:0): WRITE(10). CDB: 2a 0 19 30 e4 73 0 1 0 0
> length 131072 SMID 489 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da12:mps1:0:19:0): WRITE(10). CDB: 2a 0 18 10 8d 19 0 1 0 0
> length 131072 SMID 275 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da14:mps1:0:22:0): WRITE(10). CDB: 2a 0 19 32 e7 0 0 1 0 0 length
> 131072 SMID 666 terminated ioc 804b scsi 0 state c xfer 0
> > >>> (da8:mps1:0:14:0): WRITE(10). CDB: 2a 0 18 13 2b 68 0 1 0 0 length
> 131072 SMID 463 terminated ioc 804b scsi 0 state c xfer 0
> > >>> _______________________________________________
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