Recovering after replacing HD without 'offlining' first?

davidnjina

Cadet
Joined
Feb 7, 2019
Messages
1
Hello there,

I think I messed up my server and I need help.

Here is my setup:
FreeNAS-11.2-RELEASE-U1
Two raidz2 with six drives each. One of 4TB drive became unavailable? (I don't remember but one HD was causing the degraded stage) so I shutoff the server and removed the disk. I then 'replaced' it with new drive and selected from menu to 'replace'. Afterward, I realized that I should have offline the drive first. I am wondering if it's too late to recover from my mistake.

I do have the entire data backuped to backblaze and I also have a local backup as well so I am not worried about losing anything. However, for the sake of learning from my mistake (and to inform others), I just wanted to throw this question out.

Can you advise if I can recover from this without restoring the entire pool from backup? Thank you for your help.


Now when I run 'zpool status', i get the following:


Code:
pool: Poolz
state: DEGRADED
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.

scan: scrub repaired 0 in 0 days 02:50:59 with 19 errors on Fri Mar 22 04:50:1                                                         7 2019
config:

        NAME                                              STATE     READ WRITE C                                                         KSUM
        Poolz                                             DEGRADED     0     0                                                             59
          raidz2-0                                        ONLINE       0     0                                                            118
            gptid/5b236101-21f2-11e9-bfe3-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/5ccc3997-21f2-11e9-bfe3-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/5e7f3bca-21f2-11e9-bfe3-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/601d70f8-21f2-11e9-bfe3-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/62369848-21f2-11e9-bfe3-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/644c4e68-21f2-11e9-bfe3-0cc47ab00066    ONLINE       0     0                                                              0
          raidz2-1                                        DEGRADED     0     0                                                              0
            replacing-0                                   DEGRADED     0     0                                                              0
              6104361762671653169                         OFFLINE      0     0                                                              0  was /dev/gptid/d03b3fe1-2536-11e9-99bf-0cc47ab00066
              gptid/8cd32a44-4c20-11e9-a824-0cc47ab00066  ONLINE       0     0                                                              0
            gptid/d495a6de-2536-11e9-99bf-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/d8d8554f-2536-11e9-99bf-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/dd3c1366-2536-11e9-99bf-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/e0f66452-2536-11e9-99bf-0cc47ab00066    ONLINE       0     0                                                              0
            gptid/e3bfc2bb-2536-11e9-99bf-0cc47ab00066    ONLINE       0     0                                                              0
 
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