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Forum Discussion
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... a...
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.
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:
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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