Does anyone have a view or opinion on this? Is it completely wrong,
misguided what I'm saying and not possible?
On 25/6/20 8:23 pm, DanglingPointer wrote:
Hi All,
I continually get frustrated each time I have a scrub a btrfs RAID5
array due to the slow rate.
I was wondering if anyone has tried or seriously considered scrubbing
1 or 2 disks at a time, instead of all disks engaged at the same time
(perhaps a division check on number of disks before start) to see if
it is indeed faster?
Zygo Blaxell mentioned the above idea on Feb 6 this year. Just
wondering if there's been any serious thought put into the merits of
that idea?
The array I'm running the scrub on now has 7 disks (5x 2TB and 2x
6TB). If it is a question of diminishing returns on speed as the
number of disks increases; perhaps we say up to 8 disks then do 1 or 2
at a time sequentially, then over 8 just do default like right now?
If it is indeed faster then it would make the uptake of btrfs RAID56 a
lot more friendlier and decrease the amount of flak it gets in the wild.
