[OpenIndiana-discuss] ZFS problem hangs machine

[Bernd Helber]

Hi Michelle,

please check also the Fault Management for possbile fmdump messages.




At example...

fmdump -v

Mar 10 2011 08:29:15 5bf06367-2d12-cff3-a0a3-97ffc2026177 ZFS-8000-FD
  100%  fault.fs.zfs.vdev.io

        Problem in: zfs://pool=datenhalde/vdev=26a958afba327639
           Affects: zfs://pool=datenhalde/vdev=26a958afba327639
               FRU: -
          Location: -


If you recive a ID from fmdump then...

Take the ID

and check the Faultmanagement ID in verbose Mode


 bernd at kobold:/home/bernd$ fmdump -vV -e -u
5bf06367-2d12-cff3-a0a3-97ffc2026177
TIME                           CLASS
Mar 10 2011 08:28:59.942090976 ereport.fs.zfs.probe_failure
nvlist version: 0
        class = ereport.fs.zfs.probe_failure
        ena = 0x7984174a6300001
        detector = (embedded nvlist)
        nvlist version: 0
                version = 0x0
                scheme = zfs
                pool = 0x4ccfc15ab4863bfb
                vdev = 0x26a958afba327639
        (end detector)

        pool = datenhalde
        pool_guid = 0x4ccfc15ab4863bfb
        pool_context = 0
        pool_failmode = wait
        vdev_guid = 0x26a958afba327639
        vdev_type = disk
        vdev_path = /dev/dsk/c4t3d0s4
        vdev_devid = id1,sd at SATA_____WDC_WD20EARS-00M_____WD-WMAZA0389285/e
        parent_guid = 0x9dc7f893d61f9303
        parent_type = mirror
        prev_state = 0x0
        __ttl = 0x1
        __tod = 0x4d787dbb 0x38272ae0

bernd at kobold:/home/bernd$


Thanks in Advance.



Am 08.10.11 09:54, schrieb Bernd Helber:
> Hi Michelle,
> 
> 
> 1.
> 
> please have a look at
> /var/crash
> /var/cores
> 
> in general have a look for files like core.* vmcore.* unix.*
> 
> 2. collect all those Data put it on a USB Stick, for later forensics if
> possible.
> 
> Peronally i assume it would be the best idea to collect all possible
> Data... we can get.
> 
> All the junk from
> /var/adm messages
> /var/log
> 
> too.
> 
> Do you have the SUNWscat installed on any of your Sun Boxes?
> 
> 
> If possible and the Box won't break
> 
> please try the followin Command
> 
>  zdb -eubbcsL mypoool > /tmp/poolissue.txt
> 
> zbd == ZDB Debugger
> 
> If possible collect it too, if Z Debugger will hang the box, we should
> dig deeper.
> 
> Thanks in advance
> 
> 
> 
> 
> Additionally, it would make sense to report it as a bug report, to the
> illumos Guys.
> 
> Question besides @all who is responsibel for ZFS or even Kernel Bugs
> within the Community?
> 
> 
> 
> 
> _______________________________________________
> OpenIndiana-discuss mailing list
> OpenIndiana-discuss at openindiana.org
> http://openindiana.org/mailman/listinfo/openindiana-discuss


-- 
with kind regards

 Bernd Helber