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Re: RR4312X - Volume Degraded after FW update to 6.10.2 no drive errors shown

kevinfor2014
Guide

RR4312X - Volume Degraded after FW update to 6.10.2 no drive errors shown

We just upgraded from 6.10.1 to 6.10.2 Firmware when we reboot we noticed that log files in the GUI  show volume data is degraded but when we check each drive under Volume tab they are all green... and checking each drive under 'settings - disks" there are no ATA etc errors..  so I am wondering when we download the log files what specific log file should we be looking at to find out more info on what happened.. and if we should be doing indivual drive tests/scrub or troubleshooting steps moving forward.. thanks

Model: RN4220X|ReadyNAS 4220 10Gbase-T (chassis only)
Message 1 of 4
StephenB
Guru

Re: RR4312X - Volume Degraded after FW update to 6.10.2 no drive errors shown

Look at mdstat.log - it should give you the status of each RAID volume (including the OS and swap partitions).  Look for disks that are missing, marked as spares, or flagged as not working.

Message 2 of 4
kevinfor2014
Guide

Re: RR4312X - Volume Degraded after FW update to 6.10.2 no drive errors shown

does this mean drive#7 is bad.... or steps to resolve?  thanks
 
/dev/md/data-0:
           Version : 1.2
     Creation Time : Mon Feb  4 19:24:43 2019
        Raid Level : raid6
        Array Size : 39021688320 (37213.98 GiB 39958.21 GB)
     Used Dev Size : 3902168832 (3721.40 GiB 3995.82 GB)
      Raid Devices : 12
     Total Devices : 11
       Persistence : Superblock is persistent
       Update Time : Tue Nov 19 16:39:42 2019
             State : clean, degraded
    Active Devices : 11
   Working Devices : 11
    Failed Devices : 0
     Spare Devices : 0
            Layout : left-symmetric
        Chunk Size : 64K
Consistency Policy : unknown
              Name : 2fe760a4:data-0  (local to host 2fe760a4)
              UUID : cc0b71a4:67700196:7f05fd98:470edb6e
            Events : 293708
    Number   Major   Minor   RaidDevice State
       0       8       51        0      active sync   /dev/sdd3
       1       8        3        1      active sync   /dev/sda3
       2       8      163        2      active sync   /dev/sdk3
      13       8      179        3      active sync   /dev/sdl3
       4       8       35        4      active sync   /dev/sdc3
       5       8      115        5      active sync   /dev/sdh3
       6       8       67        6      active sync   /dev/sde3
       -       0        0        7      removed
       8       8       19        8      active sync   /dev/sdb3
       9       8       99        9      active sync   /dev/sdg3
      10       8       83       10      active sync   /dev/sdf3
      11       8      131       11      active sync   /dev/sdi3
/dev/md/data-1:

Message 3 of 4
StephenB
Guru

Re: RR4312X - Volume Degraded after FW update to 6.10.2 no drive errors shown


@kevinfor2014 wrote:

does this mean drive#7 is bad.... or steps to resolve?  thanks


Well, it means it's dropped out of the array. It could have failed, or gotten out of sync somehow.

 

Removing the disk and testing it in a PC with vendor tools (Lifeguard for Western Digital; Seatools for Seagate) is a reasonable next step.  If the drive passes, you could then zero it (both utilities have a way to do that), and hot-insert it back into the NAS.  It should resync at that point.  If it doesn't, try rebooting the NAS.

 

You could also download the log zip file, - checking the SMART stats and looking for any disk-related errors in system.log and kernel.log.

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