ZFS woes

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xnoodle

Active Member
Jan 4, 2011
258
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What's the best way of determining the source of errors that ZFS uncovers?

I'm running FreeNAS 8.3-RELEASE-p5 baremetal on one of the nodes in my C6100. There's a M1015 connected via a SFF8087<->SFF8087 cable to a DAS (Norco with a HP SAS expander in it, chassis 2 in my sig). Is it because I'm using a internal cable outside of the case? :p

Copied over some data via rsync. Then started a scrub and noticed this on a zpool status.

Code: 
# zpool status
  pool: pool
 state: ONLINE
status: One or more devices has experienced an error resulting in data
        corruption.  Applications may be affected.
action: Restore the file in question if possible.  Otherwise restore the
        entire pool from backup.
   see: http://www.sun.com/msg/ZFS-8000-8A
  scan: scrub in progress since Thu Mar 14 08:46:46 2013
        22.3G scanned out of 25.3T at 19.4M/s, 380h58m to go
        17.1M repaired, 0.09% done
config:

        NAME                                            STATE     READ WRITE CKSUM
        pool                                            ONLINE       0     0  133K
          raidz2-0                                      ONLINE       0     0  270K
            gptid/29176c8f-8923-11e2-9141-00266cf27fc0  ONLINE       0     0     0  (repairing)
            gptid/299264da-8923-11e2-9141-00266cf27fc0  ONLINE       0     0     0  (repairing)
            gptid/29ff11ce-8923-11e2-9141-00266cf27fc0  ONLINE       0     0     1  (repairing)
            gptid/2a707282-8923-11e2-9141-00266cf27fc0  ONLINE       0     0     0  (repairing)
            gptid/2b19ce97-8923-11e2-9141-00266cf27fc0  ONLINE       0     0     1  (repairing)
            gptid/2b821837-8923-11e2-9141-00266cf27fc0  ONLINE       0     0     0  (repairing)
            gptid/2bf7de2d-8923-11e2-9141-00266cf27fc0  ONLINE       0     0     0  (repairing)
            gptid/2c7476d8-8923-11e2-9141-00266cf27fc0  ONLINE       0     0     1  (repairing)

[B]errors: 188113 data errors, use '-v' for a list[/B]
Using -v I get the object numbers, not file names.

Code: 
errors: Permanent errors have been detected in the following files:

        pool:<0x1>
        pool:<0x3>
        pool:<0x909>
        pool:<0x2a14>
Also, how do you get to smart data on FreeBSD? I don't have to specify -d with smartctl on my Linux system.

Code: 
# smartctl -a /dev/mfisyspd0                                    
smartctl 5.43 2012-06-30 r3573 [FreeBSD 8.3-RELEASE-p5 amd64] (local build)     
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net      
                                                                                
/dev/mfisyspd0: Unable to detect device type                                    
Smartctl: please specify device type with the -d option.                        
                                                                                
Use smartctl -h to get a usage summary
 
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