On Fri, Jul 20, 2018 at 09:38:14PM +0300, Andrei Borzenkov wrote: > 20.07.2018 20:16, Goffredo Baroncelli пишет: [snip] > > Limiting the number of disk per raid, in BTRFS would be quite simple to > > implement in the "chunk allocator" > > > > You mean that currently RAID5 stripe size is equal to number of disks? > Well, I suppose nobody is using btrfs with disk pools of two or three > digits size.
But they are (even if not very many of them) -- we've seen at least one person with something like 40 or 50 devices in the array. They'd definitely got into /dev/sdac territory. I don't recall what RAID level they were using. I think it was either RAID-1 or -10. That's the largest I can recall seeing mention of, though. Hugo. -- Hugo Mills | Have found Lost City of Atlantis. High Priest is hugo@... carfax.org.uk | winning at quoits. http://carfax.org.uk/ | PGP: E2AB1DE4 | Terry Pratchett
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