== sanity test 413a: QoS mkdir with 'lfs mkdir -i -1' ==== 13:55:28 (1781286928)
lmv.lustre-clilmv-ffff8b70d178a800.qos_maxage=1
lod.lustre-MDT0000-mdtlov.mdt_qos_maxage=1
lod.lustre-MDT0001-mdtlov.mdt_qos_maxage=1

Check for uneven MDTs: 
fallocate on zfs doesn't consume space
using cmd dd if=/dev/urandom bs=1M bs=128K count=1 of=
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2209280       12800     2194432   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      2209792       12928     2194816   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3771392       33792     3735552   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3770368        8192     3760128   1% /mnt/lustre[OST:1]

filesystem_summary:      7541760       41984     7495680   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID       401646        1202      400444   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID       462472        2021      460451   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       117789         989      116800   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118532         964      117568   1% /mnt/lustre[OST:1]

filesystem_summary:       237591        3223      234368   2% /mnt/lustre

weight diff=14% must be > 120% ...Fill MDT0 with 200 files: loop 0
weight diff=114% must be > 120% ...Fill MDT0 with 200 files: loop 1
weight diff=110% must be > 120% ...Fill MDT0 with 200 files: loop 2
MDT filesfree available: 154758 460719
MDT blocks available: 2136192 2194816
weight diff=206%

Mkdir (stripe_count 1) roundrobin:
60 directories created on MDT0
60 directories created on MDT1

Check for uneven MDTs: 
stripe_count=1 min_idx=0 max_idx=1

Check for uneven MDTs: 
fallocate on zfs doesn't consume space
using cmd dd if=/dev/urandom bs=1M bs=128K count=1 of=
MDT filesfree available: 118809 453320
MDT blocks available: 2109184 2194048
weight diff=296%
MDT filesfree available: 118809 453320
MDT blocks available: 2109184 2194048
weight diff=296%

Mkdir (stripe_count 1) with balanced space usage:
25 directories created on MDT0 : curmax=25
95 directories created on MDT1 : curmax=95
 - unlinked 0 (time 1781287027 ; total 0 ; last 0)
total: 120 unlinks in 8 seconds: 15.000000 unlinks/second
 - unlinked 0 (time 1781287038 ; total 0 ; last 0)
total: 120 unlinks in 7 seconds: 17.142857 unlinks/second