[kwlug-disc] Old Man Yells at ZFS (was: Docker Host Appliance)

[William Park]

On 2023-01-17 01:19, Chris Irwin via kwlug-disc wrote:
>>> if you wanted. WIth BTRFS if I had four disks and one failed (and I 
>>> have enough free space), I could rebalance the array to use one fewer
>>> drive and recover a measure of redundancy while waiting for 
>>> stock/sale/shipping/payday.
>>
>> Sounds like a handy feature.
>>
>> But again, with btrfs RAID5/6 *should not be used in production*.
> 
> Agreed, never use the parity modes in BTRFS.
 > ...

Yeah.  For those who aren't aware, BTRFS interpret RAID1 as "copies on 2 
different disks".  So, it can do RAID1 across 3 disks, eg. disk A & B, 
disk B & C, and disk A & C.