On 6/21/16 6:12 , Youzhong wrote: > Any thoughts? From my perspective, the thing that I would look at is why are we seeing these PCI express errors. Is this happening when we access the NVMe device from the driver somehow?
If it's reproducible as part of attaching, it might be interesting to see if we can figure out what accesses to these devices is causing that, which may be an issue we're not properly handling with the device or a driver bug somewhere. Robert >> On Jun 17, 2016, at 1:17 PM, Youzhong Yang <youzh...@gmail.com> wrote: >> >> Hi Hans, >> >> The drivers won't show up in command output of 'diskinfo' or 'format'. >> >> Please refer to the attachment: >> >> - ls /dev/dsk and /dev/rdsk reported broken sym links >> - once I ran devfsadm -C, those broken links disappeared, then iostat -En >> reported those drives as blkdev* >> >> Thanks for your quick reply. >> >> -- Youzhong >> >>> On Fri, Jun 17, 2016 at 12:49 PM, Hans Rosenfeld >>> <hans.rosenf...@nexenta.com> wrote: >>> Hi, >>> >>> On Fri, Jun 17, 2016 at 12:01:18PM -0400, Youzhong Yang wrote: >>>> Since NVMe driver has been in illumos for quite a while, so we decided to >>>> get an evaluation unit and see how it goes. Here is what we got: >>>> >>>> Baseboad: Supermicro X10DRU-i+ (System SYS-2028U-TN24R4T+) >>>> Memory: 768G >>>> CPU: 2 x Intel(R) Xeon(R) CPU E5-2683 v4 @ 2.10GHz, each with 16 physical >>>> cores, 32 hyper-threaded cores >>>> SATA SSDs: 2 x Intel DC S3100 1TB (SSDSC2KI010X601) >>>> NVMe SSDs: 2 x Intel DC P3700 800GB (SSDPE2MD800G4) >>>> NVMe SSDs: 22 x Intel DC P3600 400GB (SSDPE2ME400G4) >>>> Ethernet: Ethernet Controller X710 for 10GbE SFP+ >>> >>>> Attached are some files with information of the system such as prtconf, >>>> nvme.conf etc. (we pulled out some drives, left only two INTEL DC 3100 >>>> SSDs, one Intel DC P3700, three Intel DC P3600 SSDs in place). >>> >>>> c2t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 >>>> Model: INTEL SSDPE2ME400G4 Revision: 8DV10171 Serial >>>> No: CVMD50510009400FGN >>>> Size: 400.09GB <400088457216 bytes> >>>> Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 >>>> Illegal Request: 0 Predictive Failure Analysis: 0 >>>> c0t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 >>>> Model: INTEL SSDPE2MD800G4 Revision: 8DV10171 Serial >>>> No: CVFT4222002Q800HGN >>>> Size: 800.17GB <800166076416 bytes> >>>> Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 >>>> Illegal Request: 0 Predictive Failure Analysis: 0 >>>> c1t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 >>>> Model: INTEL SSDPE2ME400G4 Revision: 8DV10171 Serial >>>> No: CVMD5051000Z400FGN >>>> Size: 400.09GB <400088457216 bytes> >>>> Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 >>>> Illegal Request: 0 Predictive Failure Analysis: 0 >>>> c3t1d0 Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 >>>> Model: INTEL SSDPE2ME400G4 Revision: 8DV10171 Serial >>>> No: CVMD4450003A400FGN >>>> Size: 400.09GB <400088457216 bytes> >>>> Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 >>>> Illegal Request: 0 Predictive Failure Analysis: 0 >>> >>> Looks like iostat -En shows the remaining 4 NVMe devices correctly. They >>> also show up correctly in messages and prtconf. >>> >>> What did you do to check whether they "show up"? format(1M) or some >>> other tool? >>> >>> Hans >>> >>> -- >>> %SYSTEM-F-ANARCHISM, The operating system has been overthrown >>> >> >> <nvme-disks.txt> > > ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com