Re: ZFS RaidZ-2 problems

From: Paul Wootton <paul-freebsd_at_fletchermoorland.co.uk>
Date: Mon, 05 Nov 2012 11:34:48 +0000
On 11/05/12 10:49, Steven Hartland wrote:
> Yes RAIDZ2 should enable a 2 drive failure without the array faulting so
> something strange is going on there somewhere.
That was my thought, but I dont know what or why.
>
> Silly question, what size drives and what driver are you using?
>
See below
>    Regards
>    Steve
>
> ----- Original Message ----- From: "Paul Wootton" 
> <paul-freebsd_at_fletchermoorland.co.uk>
> To: "freeBSD-CURRENT Mailing List" <freebsd-current_at_freebsd.org>
> Sent: Monday, November 05, 2012 10:25 AM
> Subject: ZFS RaidZ-2 problems
>
>
>>> state: FAULTED
>>> status: One or more devices could not be opened.  There are 
>>> insufficient
>>>         replicas for the pool to continue functioning.
>>> action: Attach the missing device and online it using 'zpool online'.
>>>    see: http://illumos.org/msg/ZFS-8000-3C
>>>   scan: resilvered 30K in 0h0m with 0 errors on Sun Oct 14 12:52:45 
>>> 2012
>>> config:
>>>
>>>         NAME                      STATE     READ WRITE CKSUM
>>>         storage                   FAULTED      0     0     1
>>>           raidz2-0                FAULTED      0     0     6
>>>             ada0                  ONLINE       0     0     0
>>>             ada1                  ONLINE       0     0     0
>>>             ada2                  ONLINE       0     0     0
>>>             17777811927559723424  UNAVAIL      0     0     0  was 
>>> /dev/ada3
>>>             ada4                  ONLINE       0     0     0
>>>             ada5                  ONLINE       0     0     0
>>>             ada6                  ONLINE       0     0     0
>>>             ada7                  ONLINE       0     0     0
>>>             ada8                  ONLINE       0     0     0
>>>             ada10p4               ONLINE       0     0     0
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <ST3500418AS CC37> ATA-8 SATA 2.x device
ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada0: Previously was known as ad4
ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
ada1: <WDC WD5000AACS-00D0B0 01.01B01> ATA-8 SATA 2.x device
ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada1: Command Queueing enabled
ada1: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada1: Previously was known as ad6
ada2 at ahcich2 bus 0 scbus3 target 0 lun 0
ada2: <MAXTOR STM3500320AS MX15> ATA-8 SATA 2.x device
ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada2: Command Queueing enabled
ada2: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada2: Previously was known as ad10
ada3 at ahcich3 bus 0 scbus4 target 0 lun 0
ada3: <ST3500410AS CC34> ATA-8 SATA 2.x device
ada3: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada3: Command Queueing enabled
ada3: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada3: Previously was known as ad12
ada4 at ahcich5 bus 0 scbus7 target 0 lun 0
ada4: <WDC WD5000AADS-00S9B0 01.00A01> ATA-8 SATA 2.x device
ada4: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada4: Command Queueing enabled
ada4: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada4: Previously was known as ad18
ada5 at ahcich6 bus 0 scbus9 target 0 lun 0
ada5: <WDC WD5000AADS-00S9B0 01.00A01> ATA-8 SATA 2.x device
ada5: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada5: Command Queueing enabled
ada5: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada5: Previously was known as ad22
ada6 at ahcich7 bus 0 scbus10 target 0 lun 0
ada6: <WDC WD5000AADS-00M2B0 01.00A01> ATA-8 SATA 2.x device
ada6: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada6: Command Queueing enabled
ada6: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada6: Previously was known as ad24
ada7 at ahcich8 bus 0 scbus11 target 0 lun 0
ada7: <WDC WD5000AADS-00M2B0 01.00A01> ATA-8 SATA 2.x device
ada7: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada7: Command Queueing enabled
ada7: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada7: Previously was known as ad26
ada8 at ahcich9 bus 0 scbus12 target 0 lun 0
ada8: <WDC WD5000AADS-00M2B0 01.00A01> ATA-8 SATA 2.x device
ada8: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada8: Command Queueing enabled
ada8: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
ada8: Previously was known as ad28
ada9 at ahcich10 bus 0 scbus13 target 0 lun 0
ada9: <MAXTOR STM3160215AS 4.AAB> ATA-7 SATA 2.x device
ada9: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada9: Command Queueing enabled
ada9: 152627MB (312581808 512 byte sectors: 16H 63S/T 16383C)
ada9: Previously was known as ad30
ada10 at ahcich11 bus 0 scbus14 target 0 lun 0
ada10: <ST31000528AS CC38> ATA-8 SATA 2.x device
ada10: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada10: Command Queueing enabled
ada10: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)
ada10: Previously was known as ad32

root_at_filekeeper:/dev # gpart show ada10
=>        34  1953525101  ada10  GPT  (931G)
           34         256      1  freebsd-boot  (128k)
          290    16777216      2  freebsd-swap  (8.0G)
     16777506   335544320      3  freebsd-zfs  (160G)
    352321826   976773168      4  freebsd-zfs  (465G)
   1329094994   283115520      5  freebsd-zfs  (135G)
   1612210514   341314621         - free -  (162G)


   pool: boot
  state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
         still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
         the pool may no longer be accessible by software that does not 
support
         the features. See zpool-features(5) for details.
   scan: scrub repaired 0 in 0h33m with 0 errors on Thu Oct  4 13:54:15 2012
config:

         NAME                                            STATE     READ 
WRITE CKSUM
         boot                                            ONLINE       
0     0     0
           mirror-0                                      ONLINE       
0     0     0
             gptid/3f1627a2-0670-11e2-8347-6cf0490ff9e9  ONLINE       
0     0     0
             ada10p5                                     ONLINE       
0     0     0

root_at_filekeeper:/dev # gpart list ada9
[...]
3. Name: ada9p3
    Mediasize: 144955146240 (135G)
    Sectorsize: 512
    Stripesize: 0
    Stripeoffset: 148480
    Mode: r1w1e2
    rawuuid: 3f1627a2-0670-11e2-8347-6cf0490ff9e9
    rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
    label: (null)
    length: 144955146240
    offset: 8590083072
    type: freebsd-zfs
    index: 3
    end: 299893025
    start: 16777506
[...]


Paul
Received on Mon Nov 05 2012 - 10:34:51 UTC

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