zpool replace Issues

D

Double Jz

Active Member
Feb 14, 2019
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0
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I kept getting a /dev/sdf is in use and contains a unknown filesystem message and I could not figure out why.

Currently
Code: 
  pool: rpool
state: DEGRADED
status: One or more devices could not be used because the label is missing or
        invalid.  Sufficient replicas exist for the pool to continue
        functioning in a degraded state.
action: Replace the device using 'zpool replace'.
   see: http://zfsonlinux.org/msg/ZFS-8000-4J
  scan: scrub repaired 0B in 0 days 00:06:27 with 0 errors on Sun Feb  9 00:30:36 2020
config:

        NAME                                 STATE     READ WRITE CKSUM
        rpool                                DEGRADED     0     0     0
          mirror-0                           DEGRADED     0     0     0
            ata-ST31000340AS_5QJ0JPBW-part3  ONLINE       0     0     0
            828804861444538550               UNAVAIL      0     0     0  was /dev/disk/by-id/ata-ST31000333AS_5TE02E7P-part3

I've tried the following so far...
Code: 
root@proxmox:~# zfs-format-disk /dev/sdf
Creating new GPT entries.
GPT data structures destroyed! You may now partition the disk using fdisk or
other utilities.
Creating new GPT entries.
Setting name!
partNum is 1
The operation has completed successfully.
Installing for i386-pc platform.
Installation finished. No error reported.
root@proxmox:~#

root@proxmox:~# zpool replace rpool /dev/sdf
/dev/sdf is in use and contains a unknown filesystem.
root@proxmox:~#

root@proxmox:~# dd if=/dev/zero of=/dev/sdf bs=4096 count=35 seek=$(($(blockdev --getsz /dev/sdf)*512/4096 - 35))
35+0 records in
35+0 records out
143360 bytes (143 kB, 140 KiB) copied, 0.0011143 s, 129 MB/s
root@proxmox:~#

root@proxmox:~# zpool replace rpool /dev/sdf
/dev/sdf is in use and contains a unknown filesystem.
root@proxmox:~#

I even went to the point of copying the other working member /dev/sda to the new drive /dev/sdf... Same thing.
Code: 
root@proxmox:~# sgdisk /dev/sda -R /dev/sdf
The operation has completed successfully.
root@proxmox:~# sgdisk -G /dev/sdf
The operation has completed successfully.
root@proxmox:~# gdisk /dev/sdf
GPT fdisk (gdisk) version 1.0.3

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.

Command (? for help): p
Disk /dev/sdf: 1953525168 sectors, 931.5 GiB
Model: WDC WD1003FBYX-0
Sector size (logical/physical): 512/512 bytes
Disk identifier (GUID): F866116A-E029-45BD-8346-33A11BCDCA82
Partition table holds up to 128 entries
Main partition table begins at sector 2 and ends at sector 33
First usable sector is 34, last usable sector is 1953525134
Partitions will be aligned on 8-sector boundaries
Total free space is 0 sectors (0 bytes)

Number  Start (sector)    End (sector)  Size       Code  Name
   1              34            2047   1007.0 KiB  EF02
   2            2048         1050623   512.0 MiB   EF00
   3         1050624      1953525134   931.0 GiB   BF01

Command (? for help): q
root@proxmox:~#

But still got the same message in the end.
Code: 
root@proxmox:~# dd if=/dev/sda1 of=/dev/sdf1
2014+0 records in
2014+0 records out
1031168 bytes (1.0 MB, 1007 KiB) copied, 0.15201 s, 6.8 MB/s
root@proxmox:~# dd if=/dev/sda3 of=/dev/sdf3
1952474511+0 records in
1952474511+0 records out
999666949632 bytes (1.0 TB, 931 GiB) copied, 11977.7 s, 83.5 MB/s
root@proxmox:~# zpool replace rpool 828804861444538550 /dev/sdf
/dev/sdf is in use and contains a unknown filesystem.
root@proxmox:~#

However, when I rebooted the server I now get the following when trying to replace it.
Code: 
root@proxmox:~# zpool replace rpool /dev/sdf
invalid vdev specification
use '-f' to override the following errors:
/dev/sdf3 is part of active pool 'rpool'
root@proxmox:~# zpool replace rpool /dev/sdf -f
invalid vdev specification
the following errors must be manually repaired:
/dev/sdf3 is part of active pool 'rpool'
root@proxmox:~#

Any suggestions? As I'm about to smash this new drive I'm trying to put in....
 
Last edited:
Actually, I believe I just got this to work with using device-id rather than /dev/sdx

Code: 
root@proxmox:~# zpool replace rpool /dev/disk/by-id/ata-ST31000333AS_5TE02E7P-part3 /dev/disk/by-id/ata-WDC_WD1003FBYX-01Y7B1_WD-WCAW34501541
Make sure to wait until resilver is done before rebooting.
root@proxmox:~# zpool status rpool
  pool: rpool
state: DEGRADED
status: One or more devices is currently being resilvered.  The pool will
        continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
  scan: resilver in progress since Tue Feb 18 22:16:18 2020
        21.0G scanned at 224M/s, 4.73G issued at 50.5M/s, 21.0G total
        4.79G resilvered, 22.52% done, 0 days 00:05:30 to go
config:

        NAME                                             STATE     READ WRITE CKSUM
        rpool                                            DEGRADED     0     0     0
          mirror-0                                       DEGRADED     0     0     0
            ata-ST31000340AS_5QJ0JPBW-part3              ONLINE       0     0     0
            replacing-1                                  DEGRADED     0     0     0
              828804861444538550                         UNAVAIL      0     0     0  was /dev/disk/by-id/ata-ST31000333AS_5TE02E7P-part3
              ata-WDC_WD1003FBYX-01Y7B1_WD-WCAW34501541  ONLINE       0     0     0  (resilvering)

errors: No known data errors
root@proxmox:~#
 
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