[GLLUG] Disk issue?

[Barry Tigner]

Hi JN,

You could install smartmontools and get some info how how
all the disks are performing  and specifically what was
reported on the bad drive.

Barry

-- 
Barry Tigner
MSU PA Electronics Design and Service Ctr.
1230 BioMedical Physical Sciences
Email: tigner at msu.edu
Phone: 517-884-5538


On Fri, 2012-04-20 at 14:43 -0400, J Neveau wrote:
> Thanks guys!   I figured the drive was probably failing.
> 
> 
> Did some Google research and found that it likely has bad sector(s)
> that are giving read errors.
> 
> 
> Usually, from what I read, the disk will try to reallocate the data
> from a questionable sector to another
> area on the drive.  But when the drive was booting, the disk attempted
> and failed to do that.
> 
> 
> I used an option from hdparm to force reallocation of that sector.  
> 
> 
> Fortunately, there was little data on the drive to begin with.  So
> nothing lost...
> 
> 
> Thanks again for the suggestions.  Always a good learning experience.
> 
> 
> JN
> 
> On Fri, Apr 20, 2012 at 9:34 AM, J Neveau <neveauj at gmail.com> wrote:
>         Anyone ever seen any of this kind of output in dmesg before?
>          Might this be indicative of a drive failure?
>         
>         
>         [    1.501112] sd 5:0:0:0: [sdf] 78165360 512-byte logical
>         blocks: (40.0 GB/37.2 GiB)
>         [    1.501193] sd 5:0:0:0: [sdf] Write Protect is off
>         [    1.501197] sd 5:0:0:0: [sdf] Mode Sense: 00 3a 00 00
>         [    1.501231] sd 5:0:0:0: [sdf] Write cache: enabled, read
>         cache: enabled, doesn't support DPO or FUA
>         [    1.501439]  sdf:
>         [    1.520956]  sdf1
>         [    1.521467] sd 5:0:0:0: [sdf] Attached SCSI disk
>         [   55.184708] sd 5:0:0:0: [sdf] Unhandled sense code
>         [   55.184710] sd 5:0:0:0: [sdf] Result: hostbyte=DID_OK
>         driverbyte=DRIVER_SENSE
>         [   55.184714] sd 5:0:0:0: [sdf] Sense Key : Medium Error
>         [current] [descriptor]
>         [   55.184733] sd 5:0:0:0: [sdf] Add. Sense: Unrecovered read
>         error - auto reallocate failed
>         [   55.184739] sd 5:0:0:0: [sdf] CDB: Read(10): 28 00 03 d0 00
>         4f 00 00 40 00
>         [   55.184748] end_request: I/O error, dev sdf, sector
>         63963215
>         [   55.184753] Buffer I/O error on device sdf1, logical block
>         31981576
>         [   55.184758] Buffer I/O error on device sdf1, logical block
>         31981577
>         [   55.184762] Buffer I/O error on device sdf1, logical block
>         31981578
>         [   55.184765] Buffer I/O error on device sdf1, logical block
>         31981579
>         [   55.184774] Buffer I/O error on device sdf1, logical block
>         31981580
>         [   55.184777] Buffer I/O error on device sdf1, logical block
>         31981581
>         [   55.184781] Buffer I/O error on device sdf1, logical block
>         31981582
>         [   55.184784] Buffer I/O error on device sdf1, logical block
>         31981583
>         [   55.184788] Buffer I/O error on device sdf1, logical block
>         31981584
>         [   55.184792] Buffer I/O error on device sdf1, logical block
>         31981585
>         [   79.656711] sd 5:0:0:0: [sdf] Unhandled sense code
>         [   79.656713] sd 5:0:0:0: [sdf] Result: hostbyte=DID_OK
>         driverbyte=DRIVER_SENSE
>         [   79.656717] sd 5:0:0:0: [sdf] Sense Key : Medium Error
>         [current] [descriptor]
>         [   79.656736] sd 5:0:0:0: [sdf] Add. Sense: Unrecovered read
>         error - auto reallocate failed
>         [   79.656742] sd 5:0:0:0: [sdf] CDB: Read(10): 28 00 03 d0 00
>         4f 00 00 08 00
>         [   79.656750] end_request: I/O error, dev sdf, sector
>         63963215
>         [   79.656758] Buffer I/O error on device sdf1, logical block
>         31981576
>         [   79.656763] Buffer I/O error on device sdf1, logical block
>         31981577
>         [   79.656767] Buffer I/O error on device sdf1, logical block
>         31981578
>         [   79.656770] Buffer I/O error on device sdf1, logical block
>         31981579
>         [  103.968729] sd 5:0:0:0: [sdf] Unhandled sense code
>         [  103.968731] sd 5:0:0:0: [sdf] Result: hostbyte=DID_OK
>         driverbyte=DRIVER_SENSE
>         [  103.968735] sd 5:0:0:0: [sdf] Sense Key : Medium Error
>         [current] [descriptor]
>         [  103.968754] sd 5:0:0:0: [sdf] Add. Sense: Unrecovered read
>         error - auto reallocate failed
>         [  103.968760] sd 5:0:0:0: [sdf] CDB: Read(10): 28 00 03 d0 00
>         4f 00 00 08 00
>         [  103.968768] end_request: I/O error, dev sdf, sector
>         63963215
>         [  103.968774] Buffer I/O error on device sdf1, logical block
>         31981576
>         [  103.968779] Buffer I/O error on device sdf1, logical block
>         31981577
>         [  103.968783] Buffer I/O error on device sdf1, logical block
>         31981578
>         [  103.968786] Buffer I/O error on device sdf1, logical block
>         31981579
>         [  235.691023] EXT3 FS on sdf1, internal journal
>         
>         
> 
> 
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