[PVE-User] add disk back to raid10

[Aaron Lauterer]

I see that the zpool is on the third partition on the disk 
ata-WDC_WD2000F9YZ-09N20L1_WD-WMC5C0D7E3DU-part3.

If you created the raid 10 from the installer, please follow the steps in the 
admin guide [0] in the section "Changing a failed bootable device".

But instead of "zpool replace" you should run

zpool attach rpool ata-WDC_WD2000F9YZ-09N20L1_WD-WMC5C0D7E3DU-part3 
/dev/disk/by-id/{new disk}-part3

The man page for the 'zpool attach' command can be viewed with 'man zpool-attach'



[0] https://pve.proxmox.com/pve-docs/pve-admin-guide.html#chapter_zfs

On 2/27/23 15:45, Tonči Stipičević wrote:
> Hello to all,
> 
> I'm playing with zfs arrays. Here you can see former RAID10 because there is 
> mirror-0 missing as such , because I unintentionally detached all disk 
> references from this mirror-0 that used to be 2-disk mirror vdev for this raid10.
> 
> 1. raid10 was OK  .... this is also boot raid10
> 
> 2.  I physically removed one disk disk and mirror-0 became degraded
> 
> 3. after lot of steps in order to replace one disk, put another-new and get all 
> boot staff needed  and after lot of unsuccessful tries I unintentionally ended 
> up detaching all references of old "faulted" disk and mirror-0 was gone
> 
> 4. Now I have unnormal raid with two striped vdevs (see below), but one of them 
> is just one disk , and the other one is regular mirror(-1)
> 
> So, now I'm trying to attach/add new disk to this raid10 but in order to get 
> mirror-0 like it was before  ....   How can I reference "add" or "attach" to 
> make mirror-0 again (consisting of 
> ata-WDC_WD2000F9YZ-09N20L1_WD-WMC5C0D7E3DU-part3  and the new disk )  ?
> 
> 
> Thank you very much in advance
> 
> BR
> 
> Tonci
> 
> 
>    pool: rpool
>   state: ONLINE
>    scan: resilvered 2.34G in 01:22:54 with 0 errors on Sun Feb 26 14:13:11 2023
> config:
> 
>          NAME STATE     READ WRITE CKSUM
>          rpool ONLINE       0     0     0
>            ata-WDC_WD2000F9YZ-09N20L1_WD-WMC5C0D7E3DU-part3 ONLINE 0     0     0
>            mirror-1 ONLINE       0     0     0
>              ata-WDC_WD2000F9YZ-09N20L1_WD-WMC1P0F7KHZM-part3 ONLINE       0     
> 0     0
>              ata-WDC_WD2000F9YZ-09N20L1_WD-WMC5C0D6WZT4-part3 ONLINE       0     
> 0     0
>          special
>            mirror-2 ONLINE       0     0     0
>              sde ONLINE       0     0     0
>              sdf ONLINE       0     0     0
> 
> errors: No known data errors
>