[zfs-discuss] attach 3 disks to same pool

InterNetX - Juergen Gotteswinter jg at internetx.com
Thu Dec 14 09:19:14 EST 2017


yep, you are right. you will end up in a 3 way mirror where 2 disks can fail

Am 14.12.2017 um 14:59 schrieb Markus Heckmann via zfs-discuss:
> I have  2 disk mirror like this:
>  pool: zpoolhome
>  state: ONLINE
>   scan: scrub repaired 0B in 3h36m with 0 errors on Tue Dec 12 07:46:39 2017
> config:
> 
>         NAME                                          STATE     READ WRITE CKSUM
>         zpoolhome                                     ONLINE       0     0     0
>           mirror-0                                    ONLINE       0     0     0
>             ata-WDC_WD40  ONLINE       0     0     0
>             ata-TOSHIBA_DT0          ONLINE       0     0     0
> 
> I am wondering if it is ok to connect one more disk
> zpool  attach zpoolhome ata-WDC_WD40 ata-TOSHIBA_DT0   ata-NEW-NEW
> Do I understand then even if 2 disks fail I will have safety for my data?
> Many thanks
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