Failed Disk - Trying to Replace - No other Member Disk (UI)

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iX Systems FreeNAS mini (8 drives) running FreeNAS 11.2-U3.

Last week I got an alert stating that my pool is degraded.

Code:

The volume fn01 state is DEGRADED: One or more devices has been taken offline by the administrator. Sufficient replicas exist for the pool to continue functioning in a degraded state.

I just obtained a brand new WDC WD40EFRX exact model number replacement to replace the drive. I suspected it was the one in slot 5 because no light was on and I tried running SMART tests on another machine after pulling it and it wouldn't even begin. Slot 7 light isn't on either and I pulled that one and ran SMART tests on it on another machine and it was successful. So I've narrowed it down to slot 5.

I'm following the guide and it says to first take the suspected drive OFFLINE. Check. Then physically replace the drive with a new one. Check. Then use the drop down "REPLACE" to begin resilvering (after entering in passphrase and and restore the encryption keys to the pool). HOWEVER, when I click "REPLACE" there is no "Member Disk" to select. The drop down is blank. I cannot select the new drive.

I know the new drive is in there because I can see it at boot(dmesg.boot) and comcontrol devlist. It is assigned ada6

I was going to start going down the SSH/CLI route rather than web based UI but figured I would post here first so that I don't accidentally nuke the data.

Code:

root@fn01:~#  zpool status -v
  pool: freenas-boot
 state: ONLINE
  scan: scrub repaired 0 in 0 days 00:01:00 with 0 errors on Sat Jan 11 03:46:00 2020
config:

    NAME                                          STATE     READ WRITE CKSUM
    freenas-boot                                  ONLINE       0     0     0
      gptid/ef825699-5d92-11e6-a424-d05099c0ff7b  ONLINE       0     0     0

errors: No known data errors

  pool: fn01
 state: DEGRADED
status: One or more devices has been taken offline by the administrator.
    Sufficient replicas exist for the pool to continue functioning in a
    degraded state.
action: Online the device using 'zpool online' or replace the device with
    'zpool replace'.
  scan: scrub repaired 0 in 0 days 01:56:02 with 0 errors on Tue Jan 14 02:56:04 2020
config:

    NAME                                                STATE     READ WRITE CKSUM
    fn01                                            DEGRADED     0     0     0
      raidz2-0                                          ONLINE       0     0     0
        gptid/9947c97a-7248-11e6-b741-d05099c0ff7b.eli  ONLINE       0     0     0
        gptid/9a210fc8-7248-11e6-b741-d05099c0ff7b.eli  ONLINE       0     0     0
        gptid/9aee2483-7248-11e6-b741-d05099c0ff7b.eli  ONLINE       0     0     0
        gptid/9bc5d66e-7248-11e6-b741-d05099c0ff7b.eli  ONLINE       0     0     0
      raidz2-1                                          DEGRADED     0     0     0
        gptid/9ce4a702-7248-11e6-b741-d05099c0ff7b.eli  ONLINE       0     0     0
        gptid/9db452bf-7248-11e6-b741-d05099c0ff7b.eli  ONLINE       0     0     0
        gptid/9e83d35f-7248-11e6-b741-d05099c0ff7b.eli  ONLINE       0     0     0
        6548613429670029531                             OFFLINE      0     0     0  was /dev/gptid/9f5d3002-7248-11e6-b741-d05099c0ff7b.eli

errors: No known data errors

Here is camcontrol devlist

Code:

root@fn01:~ # camcontrol devlist
<WDC WD40EFRX-68WT0N0 82.00A82>    at scbus0 target 0 lun 0 (pass0,ada0)
<WDC WD40EFRX-68WT0N0 82.00A82>    at scbus1 target 0 lun 0 (pass1,ada1)
<16GB SATA Flash Drive SFDK002A>   at scbus4 target 0 lun 0 (pass2,ada2)
<Marvell Console 1.01>             at scbus9 target 0 lun 0 (pass3)
<WDC WD40EFRX-68WT0N0 82.00A82>    at scbus10 target 0 lun 0 (pass4,ada3)
<WDC WD40EFRX-68WT0N0 82.00A82>    at scbus11 target 0 lun 0 (pass5,ada4)
<WDC WD40EFRX-68WT0N0 82.00A82>    at scbus12 target 0 lun 0 (pass6,ada5)
<WDC WD40EFRX-68N32N0 82.00A82>    at scbus13 target 0 lun 0 (ada6,pass7)
<WDC WD40EFRX-68WT0N0 82.00A82>    at scbus14 target 0 lun 0 (pass8,ada7)
<WDC WD40EFRX-68WT0N0 82.00A82>    at scbus15 target 0 lun 0 (pass9,ada8)

Thank you in advance for any guidance!

 

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UPDATE - I went through the "Legacy" UI and the drop down for which HDD to select was there. So something messed in the new UI but the old legacy UI would work. Replaced, changed passphrase/keys, resilvered just fine and good to go. Now showing HEALTHY.