RAID1 UFS volume stuck in DEGRADED state

[jack.tremaine]

FreeNAS-8.0-RELEASE-i386
FreeBSD 8.2-RELEASE-p1

Built a simple RAID1 with two 1Tb drives, Seagate and a WD. Created the volume and shared it out. Copied a ton of stuff onto the volume from my pc, and it's been stuck in DEGRADED since. The second drive (Seagate) had the option to "Replace" which I did. Is it stuck in sync atm?



Ran fsck and it all checked out ok.

I've searched around quite a bit and can't find more info on why this is happening.

 

[0zzY]

Hi jack, im testing the drive replacement process (using raid1) in a vm enviroment (virtualbox) using ZFS file system, FreeBSD 8.2-RELEASE-p1 and FreeNAS-8.0-RELEASE-i386

1. I have created 1 vhd drive for the systems (like yours) end other 2 for the raid1.
2. Copied a lot of files inside and then i have simulated (detached) one of two vhd composing the raid1.
3. In Storage->Volume -> View all volume, status is degraded, if i view disk details i can't understand which is the "fault-one".
4. If i try to "replace" one or another, the system work but the status remain degraded.

no problem if i use UFS

 

[jack.tremaine]

I'm using UFS. Volume reported COMPLETE after leaving it overnight, but now it's saying DEGRADED again. Console is spewing the following:

Aug 21 11:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 44 Currently unreadable (pending) sectors
Aug 21 11:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 44 Offline uncorrectable sectors
Aug 21 12:10:17 nasbox1 ntpd[1441]: time reset +0.192032 s
Aug 21 12:18:56 nasbox1 smartd[1266]: Device: /dev/ada1, 45 Currently unreadable (pending) sectors (changed +1)
Aug 21 12:18:56 nasbox1 smartd[1266]: Device: /dev/ada1, 45 Offline uncorrectable sectors (changed +1)
Aug 21 12:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 45 Currently unreadable (pending) sectors
Aug 21 12:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 45 Offline uncorrectable sectors
Aug 21 13:10:38 nasbox1 ntpd[1441]: time reset -0.128771 s
Aug 21 13:18:55 nasbox1 smartd[1266]: Device: /dev/ada1, 46 Currently unreadable (pending) sectors (changed +1)
Aug 21 13:18:55 nasbox1 smartd[1266]: Device: /dev/ada1, 46 Offline uncorrectable sectors (changed +1)
Aug 21 13:48:56 nasbox1 smartd[1266]: Device: /dev/ada1, 46 Currently unreadable (pending) sectors
Aug 21 13:48:56 nasbox1 smartd[1266]: Device: /dev/ada1, 46 Offline uncorrectable sectors
Aug 21 14:18:55 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Currently unreadable (pending) sectors (changed +1)
Aug 21 14:18:55 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Offline uncorrectable sectors (changed +1)
Aug 21 14:48:56 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Currently unreadable (pending) sectors
Aug 21 14:48:56 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Offline uncorrectable sectors
Aug 21 15:18:55 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Currently unreadable (pending) sectors
Aug 21 15:18:55 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Offline uncorrectable sectors
Aug 21 15:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Currently unreadable (pending) sectors
Aug 21 15:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Offline uncorrectable sectors
Aug 21 16:18:55 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Currently unreadable (pending) sectors
Aug 21 16:18:55 nasbox1 smartd[1266]: Device: /dev/ada1, 47 Offline uncorrectable sectors
Aug 21 16:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 48 Currently unreadable (pending) sectors (changed +1)
Aug 21 16:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 48 Offline uncorrectable sectors (changed +1)
Aug 21 17:17:15 nasbox1 cnid_dbd[20127]: Set syslog logging to level: LOG_NOTE
Aug 21 17:18:56 nasbox1 smartd[1266]: Device: /dev/ada1, 48 Currently unreadable (pending) sectors
Aug 21 17:18:56 nasbox1 smartd[1266]: Device: /dev/ada1, 48 Offline uncorrectable sectors
Aug 21 17:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 48 Currently unreadable (pending) sectors
Aug 21 17:48:55 nasbox1 smartd[1266]: Device: /dev/ada1, 48 Offline uncorrectable sectors

Going to pull the drive, and replace it with another on to see if the issue goes away. Perhaps the drive is just busted.

 

[ProtoSD]

I'm using UFS. Volume reported COMPLETE after leaving it overnight

This is a good point, the DEGRADED status doesn't disappear immediately, it takes time to re-syncronize (resilver) the disks and during that time it will still show DEGRADED.

@jack.tremaine - It definitely looks like you have some kind of hardware failure. Most disks these days are such junk I barely trust any of them, that's why I have a raidz2, but even then I'm nervous.