== sanity test 413a: QoS mkdir with 'lfs mkdir -i -1' ==== 18:20:55 (1778538055)
lmv.lustre-clilmv-ffff9b2bc6ce5000.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      2209408       14336     2193024   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      2209792       10880     2196864   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3770368       33792     3734528   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392        8192     3761152   1% /mnt/lustre[OST:1]

filesystem_summary:      7541760       41984     7495680   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID       381294        1203      380091   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID       495895        1999      493896   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       117756         988      116768   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118565         965      117600   1% /mnt/lustre[OST:1]

filesystem_summary:       237570        3202      234368   2% /mnt/lustre

weight diff=30% must be > 120% ...Fill MDT0 with 200 files: loop 0
weight diff=39% must be > 120% ...Fill MDT0 with 200 files: loop 1
MDT filesfree available: 215557 491020
MDT blocks available: 2007552 2196608
weight diff=149%

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: 149370 475981
MDT blocks available: 2134784 2195328
weight diff=227%
MDT filesfree available: 149370 475981
MDT blocks available: 2134784 2195328
weight diff=227%

Mkdir (stripe_count 1) with balanced space usage:
30 directories created on MDT0 : curmax=30
90 directories created on MDT1 : curmax=90
 - unlinked 0 (time 1778538081 ; total 0 ; last 0)
total: 120 unlinks in 1 seconds: 120.000000 unlinks/second
 - unlinked 0 (time 1778538084 ; total 0 ; last 0)
total: 120 unlinks in 1 seconds: 120.000000 unlinks/second