Hi,

I just added a second SSD to my system and selected it as Cache 2. unRAID says the "device is part of cache pool" but there is no activity on it and im not sure this is correct. I want the new SSD to mirror the other. 

 

root@tracer:~# btrfs filesystem show
Label: none  uuid: f8232945-44f6-415a-a32b-72f79cf16d6a
        Total devices 1 FS bytes used 241.77GiB
        devid    1 size 931.51GiB used 330.02GiB path /dev/sdc1

Label: none  uuid: 08254a30-721e-4608-a81c-cb94a1632247
        Total devices 1 FS bytes used 14.22GiB
        devid    1 size 30.00GiB used 18.52GiB path /dev/loop2

Label: none  uuid: 5ea50f9e-b636-4219-8256-48303c232da9
        Total devices 1 FS bytes used 236.00KiB
        devid    1 size 1.00GiB used 126.38MiB path /dev/loop3

root@tracer:~# btrfs fi df /mnt/cache
Data, single: total=328.01GiB, used=241.25GiB
System, single: total=4.00MiB, used=64.00KiB
Metadata, single: total=2.01GiB, used=541.05MiB
GlobalReserve, single: total=259.77MiB, used=0.00B

 

Please post your diagnostics: Tools -> Diagnostics

tracer-diagnostics-20180619-2017.zip

unRAID is failing to add the second SSD to the pool, possibly because it has an existing filesystem/partition, so with the array stopped try to completely wipe it (check it's still sdb):

 

blkdiscard /dev/sdb

 

And then re-start the array.

2 hours ago, johnnie.black said:

unRAID is failing to add the second SSD to the pool, possibly because it has an existing filesystem/partition, so with the array stopped try to completely wipe it (check it's still sdb):

 

blkdiscard /dev/sdb

 

And then re-start the array.

 

Where in the diagnostics can i check it?

1 hour ago, maciekish said:

 

Where in the diagnostics can i check it?

Check the device identifier? You can see that on the main page.

Obviously i would check with the device identifier but what am i looking for and where please?

On the main page, cache devices, after the brand and model (sdX)