[OpenIndiana-discuss] problem adding a mirror disk to rpool

[Reginald Beardsley]

 Partition the disk so you have a partition that matches the size of your other disks in the pool. Then mount that partition.


     On Monday, January 2, 2023, 08:31:38 PM CST, Marc Lobelle <marc.lobelle at uclouvain.be> wrote:  
 
 Hello,

First, Best wished for 2023 to everybody !

I tried to add a second 480Gb disk to my rpool (different manufacturer 
and slightly larger)

Below is what I did, but apparently there is a problem and the case 
(adding a mirror disk) is not discussed in 
https://illumos.org/msg/ZFS-8000-4J/

Anybody has an idea on how to solve this issue ? I did not yet 
installgrub on the new disk because I fear it would make things worse.

Thanks

Marc

ml at spitfire:/home/ml# zpool status rpool
   pool: rpool
  state: ONLINE
   scan: scrub repaired 0 in 0 days 00:05:41 with 0 errors on Wed Dec 28 
16:43:12 2022
config:

         NAME        STATE     READ WRITE CKSUM
         rpool       ONLINE       0     0     0
           c7d0s0    ONLINE       0     0     0

errors: No known data errors
ml at spitfire:/home/ml# format
Searching for disks...done


AVAILABLE DISK SELECTIONS:
        0. c5d0 <Samsung SSD 870 QVO 
4TB=S5STNF0T406608A-S5STNF0T406608A-0001-3.64TB>
           /pci at 0,0/pci-ide at 1f,2/ide at 0/cmdk at 0,0
        1. c6d0 <Samsung SSD 870 QVO 
4TB=S5STNF0T406604J-S5STNF0T406604J-0001-3.64TB>
           /pci at 0,0/pci-ide at 1f,2/ide at 1/cmdk at 0,0
        2. c7d0 <Unknown-Unknown-0001 cyl 58366 alt 2 hd 255 sec 63>
           /pci at 0,0/pci-ide at 1f,5/ide at 0/cmdk at 0,0
        3. c8d0 <Unknown-Unknown-0001 cyl 58367 alt 2 hd 255 sec 63>
           /pci at 0,0/pci-ide at 1f,5/ide at 1/cmdk at 0,0
Specify disk (enter its number): ^C
ml at spitfire:/home/ml# prtvtoc /dev/rdsk/c7d0s0
* /dev/rdsk/c7d0s0 partition map
*
* Dimensions:
*         512 bytes/sector
*          63 sectors/track
*         255 tracks/cylinder
*       16065 sectors/cylinder
*       58368 cylinders
*       58366 accessible cylinders
*   937681920 sectors
*   937649790 accessible sectors
*
* Flags:
*   1: unmountable
*  10: read-only
*
* Unallocated space:
*         First       Sector      Last
*         Sector       Count      Sector
*             0       16065       16064
*
*                            First       Sector      Last
* Partition  Tag  Flags      Sector       Count      Sector  Mount Directory
        0      2    00        16065   937633725   937649789
        2      5    01            0   937649790   937649789
        8      1    01            0       16065       16064
ml at spitfire:/home/ml# prtvtoc /dev/rdsk/c7d0s0|fmthard -s - /dev/rdsk/c8d0s0
fmthard: Partition 2 specifies the full disk and is not equal
full size of disk.  The full disk capacity is 937665855 sectors.
fmthard:  New volume table of contents now in place.
ml at spitfire:/home/ml# zpool attach -f rpool c7d0s0 c8d0s0
Make sure to wait until resilver is done before rebooting.
ml at spitfire:/home/ml# zpool status rpool
   pool: rpool
  state: ONLINE
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 Mon Jan  2 11:59:05 2023
         56,4G scanned at 2,56G/s, 909M issued at 41,3M/s, 56,4G total
         910M resilvered, 1,57% done, 0 days 00:22:55 to go
config:

         NAME        STATE     READ WRITE CKSUM
         rpool       ONLINE       0     0     0
           mirror-0  ONLINE       0     0     0
             c7d0s0  ONLINE       0     0     0
             c8d0s0  ONLINE       0     0     0  (resilvering)

errors: No known data errors
ml at spitfire:/home/ml# zpool status rpool
   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://illumos.org/msg/ZFS-8000-4J
   scan: resilvered 34,6G in 0 days 00:06:23 with 0 errors on Mon Jan  2 
12:05:28 2023
config:

         NAME        STATE     READ WRITE CKSUM
         rpool       DEGRADED     0     0     0
           mirror-0  DEGRADED     0     0     0
             c7d0s0  ONLINE       0     0     0
             c8d0s0  UNAVAIL      0 57,4K     0  corrupted data

errors: No known data errors
ml at spitfire:/home/ml#


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