> > (3) FS creation time - can you create a file system in reasonable > time? (mkfs.xfs took seconds, mkfs.ext4 took 90 minutes). I think that > 90 minutes is definitely on the painful side, but usable for most. > I get better numbers for some reason: on a 32 TiB filesystem (16 LUNs, 2TiB each, 128KiB stripes at both the RAID controller and in LVM), using the following options, I get: # time mke2fs -q -t ext4 -O ^resize_inode -E stride=32,stripe-width=512,lazy_itable_init=1 /dev/mapper/bigvg-bigvol real 1m2.137s user 0m58.934s sys 0m1.981s Without lazy_itable_init, I get # time mke2fs -q -t ext4 -O ^resize_inode -E stride=32,stripe-width=512 /dev/mapper/bigvg-bigvol real 12m54.510s user 1m4.786s sys 11m44.762s Thanks, Nick -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
