# time mke2fs -q -t ext4 -O ^resize_inode -E stride=32,stripe-width=1536 /dev/mapper/bigvg-bigvol
-- 0:bash -- time-stamp -- Aug/06/09 20:03:13 --
-- 0:bash -- time-stamp -- Aug/06/09 20:29:51 --
140.30user 1570.22system 28:33.63elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
344inputs+2148162944outputs (1major+893979minor)pagefaults 0swaps

# mount /dev/mapper/bigvg-bigvol /mnt

# time ~/src/tools/lustre/liverfs -v -v -l -r -w /mnt
Timestamp: 1249605008

...

write File name: /mnt/dir00725/file007          -- 0:bash -- time-stamp -- Aug/08/09 18:45:30 --
write File name: /mnt/dir00725/file008          -- 0:bash -- time-stamp -- Aug/08/09 18:47:40 --
write File name: /mnt/dir00725/file009          -- 0:bash -- time-stamp -- Aug/08/09 18:50:50 --
-- 0:bash -- time-stamp -- Aug/08/09 18:53:05 --
write File name: /mnt/dir00725/file010          -- 0:bash -- time-stamp -- Aug/08/09 18:55:00 --
-- 0:bash -- time-stamp -- Aug/08/09 18:57:18 --
write File name: /mnt/dir00725/file011          -- 0:bash -- time-stamp -- Aug/08/09 18:59:11 --
short write
write File name: /mnt/dir00725/file011          
write complete

...

read File name: /mnt/dir00460/file017          -- 0:bash -- time-stamp -- Aug/09/09 21:42:01 --
short read

...
read File name: /mnt/dir00534/file003          -- 0:bash -- time-stamp -- Aug/10/09 12:41:05 --
short read

...

read File name: /mnt/dir00725/file010          
read complete
1079.45user 283006.51system 99:24:30elapsed 79%CPU (0avgtext+0avgdata 0maxresident)k
194716365096inputs+195537745440outputs (1major+410minor)pagefaults 0swaps

# umount /dev/mapper/bigvg-bigvol

# time e2fsck  -t -t -F -y -f /dev/mapper/bigvg-bigvol
e2fsck 1.41.8 (20-Jul-2009)
Pass 1: Checking inodes, blocks, and sizes
-- 0:bash -- time-stamp -- Aug/10/09 23:57:09 --
-- 0:bash -- time-stamp -- Aug/11/09  0:13:02 --
Pass 1: Memory used: 284k/1630436k (132k/153k), time: 1070.35/876.01/ 5.85
Pass 1: I/O read: 190MB, write: 1MB, rate: 0.18MB/s
Pass 2: Checking directory structure
Pass 2: Memory used: 284k/18014398508112064k (95k/190k), time:  2.29/ 0.93/ 0.94
Pass 2: I/O read: 3MB, write: 0MB, rate: 1.31MB/s
Pass 3: Checking directory connectivity
Peak memory: Memory used: 284k/18014398508635724k (95k/190k), time: 1082.09/884.06/ 9.05
Pass 3A: Memory used: 284k/18014398508635724k (95k/190k), time:  0.00/ 0.00/ 0.00
Pass 3A: I/O read: 0MB, write: 0MB, rate: 0.00MB/s
Pass 3: Memory used: 284k/18014398508112064k (86k/199k), time:  0.58/ 0.26/ 0.32
Pass 3: I/O read: 1MB, write: 0MB, rate: 1.71MB/s
Pass 4: Checking reference counts
-- 0:bash -- time-stamp -- Aug/11/09  0:15:00 --
Pass 4: Memory used: 284k/18014398509394812k (86k/199k), time: 147.57/147.27/ 0.28
Pass 4: I/O read: 0MB, write: 0MB, rate: 0.00MB/s
Pass 5: Checking group summary information
-- 0:bash -- time-stamp -- Aug/11/09  0:17:30 --
-- 0:bash -- time-stamp -- Aug/11/09  0:34:08 --
Pass 5: Memory used: 336k/18014398508871152k (86k/251k), time: 1116.22/701.57/17.46
Pass 5: I/O read: 2934MB, write: 0MB, rate: 2.63MB/s
/dev/mapper/bigvg-bigvol: 23950/4289791968 files (0.0% non-contiguous), 24609217743/24609226752 blocks
Memory used: 336k/18014398508871152k (86k/251k), time: 2346.25/1733.22/26.84
I/O read: 3173MB, write: 1MB, rate: 1.35MB/s
1733.31user 30.84system 39:10.40elapsed 75%CPU (0avgtext+0avgdata 0maxresident)k
32607624inputs+93896outputs (5major+4403055minor)pagefaults 0swaps
-- 0:bash -- time-stamp -- Aug/11/09  0:36:11 --