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

[Toomas Soome]

Since you are using MBR+VTOC, make sure your new disk has Solaris2 partition (100%). You can check by running format, select the disk, then enter ‘fdisk'.

rgds,
toomas

> On 2. Jan 2023, at 13:45, 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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