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Date: Thu, 17 Nov 2016 16:37:11 -0500
From: Jack Suter <jack@...er.io>
To: Don Brace <don.brace@...rosemi.com>,
Hannes Reinecke <hare@...e.de>, brace77070@...il.com
Cc: iss_storagedev@...com,
"esc.storagedev" <esc.storagedev@...rosemi.com>,
linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
martin.petersen@...cle.com, Scott Teel <scott.teel@...rosemi.com>,
Kevin Barnett <kevin.barnett@...rosemi.com>, thenzl@...hat.com
Subject: Re: "hpsa: Change SAS transport devices to bus 0." commit breaks
hpacucli on old controller firmware
It appears on bus 3 for both hpsa and the sas transport for me. I can
test the patch on a few controllers with newer firmware too if you'd
like.
# lsscsi
[0:1:0:0] disk HP LOGICAL VOLUME 1.66 /dev/sda
[0:1:0:1] disk HP LOGICAL VOLUME 1.66 /dev/sdb
[0:1:0:2] disk HP LOGICAL VOLUME 1.66 /dev/sdc
[0:1:0:3] disk HP LOGICAL VOLUME 1.66 /dev/sdd
[0:1:0:4] disk HP LOGICAL VOLUME 1.66 /dev/sde
[0:1:0:5] disk HP LOGICAL VOLUME 1.66 /dev/sdf
[0:1:0:6] disk HP LOGICAL VOLUME 1.66 /dev/sdg
[0:1:0:7] disk HP LOGICAL VOLUME 1.66 /dev/sdh
[0:1:0:8] disk HP LOGICAL VOLUME 1.66 /dev/sdi
[0:1:0:9] disk HP LOGICAL VOLUME 1.66 /dev/sdj
[0:1:0:10] disk HP LOGICAL VOLUME 1.66 /dev/sdk
[0:1:0:11] disk HP LOGICAL VOLUME 1.66 /dev/sdl
[0:3:0:0] storage HP P410 1.66 -
# dmesg | grep hpsa
[ 0.934677] hpsa 0000:06:00.0: can't disable ASPM; OS doesn't have
ASPM control
[ 0.935207] hpsa 0000:06:00.0: MSI-X capable controller
[ 0.935585] hpsa 0000:06:00.0: Logical aborts not supported
[ 0.935846] hpsa 0000:06:00.0: HP SSD Smart Path aborts not supported
[ 0.957530] scsi host0: hpsa
[ 1.154856] hpsa 0000:06:00.0: scsi 0:0:0:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.155328] hpsa 0000:06:00.0: scsi 0:0:1:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.155788] hpsa 0000:06:00.0: scsi 0:0:2:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.156247] hpsa 0000:06:00.0: scsi 0:0:3:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.156706] hpsa 0000:06:00.0: scsi 0:0:4:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.157167] hpsa 0000:06:00.0: scsi 0:0:5:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.157632] hpsa 0000:06:00.0: scsi 0:0:6:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.158105] hpsa 0000:06:00.0: scsi 0:0:7:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.158572] hpsa 0000:06:00.0: scsi 0:0:8:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.159033] hpsa 0000:06:00.0: scsi 0:0:9:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.159490] hpsa 0000:06:00.0: scsi 0:0:10:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.159949] hpsa 0000:06:00.0: scsi 0:0:11:0: masked Direct-Access
ATA WDC WD2002FAEX-0 PHYS DRV SSDSmartPathCap- En- Exp=0
[ 1.160409] hpsa 0000:06:00.0: scsi 0:0:12:0: masked Enclosure
HP DL18xG6BP enclosure SSDSmartPathCap- En- Exp=0
[ 1.160879] hpsa 0000:06:00.0: scsi 0:0:13:0: masked Enclosure
PMCSIERA SRC 8x6G enclosure SSDSmartPathCap- En- Exp=0
[ 1.161347] hpsa 0000:06:00.0: scsi 0:1:0:0: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.161807] hpsa 0000:06:00.0: scsi 0:1:0:1: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.162265] hpsa 0000:06:00.0: scsi 0:1:0:2: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.162724] hpsa 0000:06:00.0: scsi 0:1:0:3: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.163187] hpsa 0000:06:00.0: scsi 0:1:0:4: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.163654] hpsa 0000:06:00.0: scsi 0:1:0:5: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.164124] hpsa 0000:06:00.0: scsi 0:1:0:6: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.164581] hpsa 0000:06:00.0: scsi 0:1:0:7: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.165034] hpsa 0000:06:00.0: scsi 0:1:0:8: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.165487] hpsa 0000:06:00.0: scsi 0:1:0:9: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.165948] hpsa 0000:06:00.0: scsi 0:1:0:10: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.166410] hpsa 0000:06:00.0: scsi 0:1:0:11: added Direct-Access
HP LOGICAL VOLUME RAID-0 SSDSmartPathCap- En- Exp=1
[ 1.166882] hpsa 0000:06:00.0: scsi 0:3:0:0: added RAID
HP P410 controller SSDSmartPathCap- En- Exp=1
Cheers,
Jack Suter
On Thu, Nov 17, 2016, at 16:26, Don Brace wrote:
> > -----Original Message-----
> > From: Jack Suter [mailto:jack@...er.io]
> > Sent: Thursday, November 17, 2016 2:22 PM
> > To: Hannes Reinecke; brace77070@...il.com
> > Cc: iss_storagedev@...com; esc.storagedev; linux-scsi@...r.kernel.org;
> > linux-kernel@...r.kernel.org; martin.petersen@...cle.com; Scott Teel;
> > Kevin Barnett; thenzl@...hat.com
> > Subject: Re: "hpsa: Change SAS transport devices to bus 0." commit breaks
> > hpacucli on old controller firmware
> >
> > EXTERNAL EMAIL
> >
> >
> > Thanks from me as well for the patch. I've tested it on the problematic
> > controller and it appears to be working. The hpsa driver isn't throwing
> > any errors and hpacucli works as expected.
> >
> > Cheers,
> >
> > Jack Suter
>
> Can you attach the output of lsscsi and post the output of dmesg | grep
> added?
>
> I see this:
>
> [515253.466101] hpsa 0000:06:00.0: added scsi 25:3:0:0: RAID
> HP H240 controller SSDSmartPathCap- En-
> Exp=1 qd=1024
> [515256.083888] hpsa 0000:0c:00.0: added scsi 26:3:0:0: RAID
> HP H241 controller SSDSmartPathCap- En-
> Exp=1 qd=1024
>
> [25:0:0:0] storage HP H240 4.02 -
> [25:0:1:0] disk ATA MO0100EBTJT HPG2 /dev/sdy
> [25:0:2:0] disk ATA MM0500GBKAK HPGC /dev/sdz
> [25:0:3:0] disk ATA MK0200GCTYV HPG4 /dev/sdaa
> [25:0:4:0] disk HP EG0300FBDSP HPD6 /dev/sdab
> [25:0:5:0] enclosu HP H240 4.02 -
> [26:0:0:0] storage HP H241 4.02 -
>
> So hpsa claims to put the controller on bus 3, but the sas transport puts
> it on bus 0 for me.
>
> Just want to be sure.
>
> Thanks,
> Don Brace
> ESC - Smart Storage
> Microsemi Corporation
>
>
>
> >
> > On Thu, Nov 17, 2016, at 06:17, Hannes Reinecke wrote:
> > > On 11/16/2016 05:09 PM, brace77070@...il.com wrote:
> > > > On 10/31/2016 02:06 PM, Don Brace wrote:
> > > >> On 10/27/2016 01:15 PM, Jack Suter wrote:
> > > >>> Hi there,
> > > >>>
> > > >>> Commit "hpsa: Change SAS transport devices to bus 0."
> > > >>> (09371d623c9c3dc6ed7f53ec8ab01d25f0c6c697) breaks the hpacucli
> > utility
> > > >>> for some HP Smart Array controllers with old firmware.
> > > >>>
> > > >>> Specifically, I have a P410 connected to an HP DL180 G6 running
> > firmware
> > > >>> version 1.66. Yes, the firmware is old, but it works. On the 4.4 series
> > > >>> kernels and earlier, hpacucli works with no trouble. On 4.5 and later,
> > > >>> the hpsa driver reports errors in the kernel log, and hpacucli reports
> > > >>> "Error: No controllers detected."
> > > >>>
> > > >>> Oct 27 15:50:30 hostname kernel: [ 32.189495] hpsa 0000:06:00.0: scsi
> > > >>> 0:0:0:0: added RAID HP P410 controller
> > > >>> SSDSmartPathCap- En- Exp=1
> > > >>> Oct 27 15:50:30 hostname kernel: [ 32.190054] hpsa 0000:06:00.0:
> > > >>> addition failed -19, device not added.
> > > >>>
> > > >>> Reverting the above commit resolves both the hpsa errors and the
> > > >>> hpacucli error when tested with kernel 4.7.9.
> > > >>>
> > > >>> In addition to this troublesome server, I have a handful of servers with
> > > >>> P410 controllers and firmware versions ranging from 3.52 to 6.60. All of
> > > >>> them work with the 09371d62 commit in place, which leads me to
> > believe
> > > >>> it is just this old 1.66 firmware that is incompatible.
> > > >>>
> > > >>> While a firmware upgrade seems like the simple solution, I think this
> > > >>> should be considered a bug/regression due to it breaking functionality
> > > >>> that previously worked. It appears others may have run into this issue
> > > >>> too:
> > > >>> http://superuser.com/questions/1093124/coreos-hp410-raid1-device-
> > not-added-19
> > > >>>
> > > >>>
> > > >>> Some dmesg output (grep -e hpsa -e sg) is below from both a 4.4.2
> > kernel
> > > >>> (working) and 4.5.7 kernel (broken). Note the change in SCSI address
> > > >>> from 0:3:0:0 to 0:0:0:0.
> > > >>>
> > > >>> Please let me know if you need me to do any testing to help resolve
> > > >>> this.
> > > >>>
> > > >>> Jack Suter
> > > >> I discussed this with the ssacli developers and they do not look
> > > >> at the bus, but I see "device not added" messages that
> > > >> should not be there. I'll attack your issue from that
> > > >> perspective.
> > > >>
> > > >> Thanks,
> > > >> Don Brace
> > > >
> > > > The root cause is that this older firmware is not scsi revision 5 and
> > > > thus we add the
> > > > controller at the end of the list, not at the beginning.
> > > >
> > > > if (is_scsi_rev_5(h))
> > > > raid_ctlr_position = 0;
> > > > else
> > > > raid_ctlr_position = nphysicals + nlogicals;
> > > >
> > > > So the first logical volume gets BTL 0:0:0 and then we attempt to add in
> > > > the controller
> > > > using the same BTL values at the end of the list. Thus you get the
> > > > "device not added" messages.
> > > >
> > > > The change to bus 0 was because the SAS transport is using bus 0 and
> > > > there was a
> > > > discrepancy in what the driver was putting the controller on and what
> > > > the SAS
> > > > transport was actually using.
> > > >
> > > > I'll work on a patch to resolve this for you.
> > > >
> > > One can resolve this issue with checking the SCSI revision of the
> > > controller, and move every controller with revision '0' to bus 3.
> > > That solved the issue for me.
> > >
> > > Patch posted in a different mail.
> > >
> > > Cheers,
> > >
> > > Hannes
> > > --
> > > Dr. Hannes Reinecke Teamlead Storage & Networking
> > > hare@...e.de +49 911 74053 688
> > > SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
> > > GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
> > > HRB 21284 (AG Nürnberg)
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