31.03.2020 20:01, Eli V пишет: > > Another option is to put the 12TB drives in an mdadm RAID, and then > use the mdadm raid & the ssd for btrfs RAID1 metadata, with SINGLE > data on the the array. How do you restrict specific device for metadata only? > Currently, this will make roughly half of the > meta data lookups run at SSD speed, but there is a pending patch to > allow all the metadata reads to go to the SSD. This option is, of > course, only useful for speeding up metadata operations. It can make > large btrfs filesystems feel much more responsive in interactive use > however. >
