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Forum Discussion
RN104: ghost “NG-8TB-Seagate” volume (RAID unknown) Inactive/Unprotected
I have a ReadyNAS RN104 that’s working fine from the data point of view, but the volume configuration seems corrupted and is generating constant volume health alerts that I cannot clear. I’m hopi...
Thanks, just creating the log zip now.
The "Phantom" 3TB drive I'm guessing is actually my old 3TB Western Digital drive that started to fail, so I replaced that with my new 8TB Seagate and copied all the old files over to that (apart from a handful I lost die to the impending failure).
When I was setting up the new 8TB I think I did something wrong as I thought I had created a new volume, then couldn't see it so repeated the process. Not sure what I did, but that may have something to do with it?
I'm not sure what my "primary" drive would be, how could I see that info please?
I'm not sure what my "primary" drive would be, how could I see that info please?
First, what it is...
The "primary" RAID group (drive since you use jbod) is the one that hosts your apps and home folders.
In your case, mounts.log shows
/dev/md124 on /home type btrfs (rw,noatime,nodiratime,nospace_cache,subvolid=2962,subvol=/home)
/dev/md124 on /apps type btrfs (rw,noatime,nodiratime,nospace_cache,subvolid=2961,subvol=/.apps)
mdstat.log shows md124 is sdd3 (partition 3 on drive sdd)
md124 : active raid1 sdd3[0]
7809175808 blocks super 1.2 [1/1] [U]
And disk_info.log tells us that this is your newly added 8 TB drive.
Device: sdd
Controller: 0
Channel: 0
Model: ST8000DM004-2U9188
Serial: WSC3064D
One consequence here is that any home folders and apps would have been lost when you replaced this drive.
Note this is an SMR drive, which isn't well suited for RAID. Fortunately you are using JBOD. Still you likely will find that you will get poor performance with sustained writes.
An Ironwolf would have been a better choice.
More later.
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