Wanting to use 16k block for my btrfs, I did so via: # mkfs.btrfs -l 16k -s 16k -L arch64 -f /dev/sda3
WARNING! - Btrfs v0.20-rc1-253-g7854c8b IS EXPERIMENTAL WARNING! - see http://btrfs.wiki.kernel.org before using Detected a SSD, turning off metadata duplication. Mkfs with -m dup if you want to force metadata duplication. fs created label arch64 on /dev/sda3 nodesize 16384 leafsize 16384 sectorsize 16384 size 119.00GB Btrfs v0.20-rc1-253-g7854c8b But when I tried to mount it, dmesg showed these errors aobut sector sizes: # mount /dev/sda3 /newarch mount: wrong fs type, bad option, bad superblock on /dev/sda3, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so. [ 1463.366701] device label arch64 devid 1 transid 4 /dev/sda3 [ 1463.367186] btrfs: disk space caching is enabled [ 1463.367189] btrfs flagging fs with big metadata feature [ 1463.367539] btrfs: Incompatible sector size(16384) found on sda3 [ 1463.419215] btrfs: open_ctree failed So I made the filesystem like this and all is well... what am I missing? # mkfs.btrfs -l 16k -L arch64 -f /dev/sda3 WARNING! - Btrfs v0.20-rc1-253-g7854c8b IS EXPERIMENTAL WARNING! - see http://btrfs.wiki.kernel.org before using Detected a SSD, turning off metadata duplication. Mkfs with -m dup if you want to force metadata duplication. fs created label arch64 on /dev/sda3 nodesize 16384 leafsize 16384 sectorsize 4096 size 119.00GB Btrfs v0.20-rc1-253-g7854c8b -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
