LU-2688 tests: verify quota in conf-sanity 32a

Verify quota in the upgrade test of conf-sanity 32a

Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Change-Id: I4b22b16ea31f124f5e39f1b2554df9d4b7dd4b43
Reviewed-on: http://review.whamcloud.com/5293
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Li Wei <wei.g.li@intel.com>
Reviewed-by: Johann Lombardi <johann.lombardi@intel.com>
LU-2863 tests: fix lfsck/OI_scrub test scripts issues

1) sanity-scrub.sh checks Lustre version after Lustre initialization.

2) Re-calculate the expactation for lfsck/OI_scrub speed test:
   2.1) 1.1 * the theoretical value for speed upper limit.
   2.2) 0.9 * the theoretical value for speed lower limit.

3) Reformat the device before running sanity-scrub test_11.

4) Other cleanup.

Test-Parameters: testlist=sanity-scrub,sanity-lfsck

Signed-off-by: Fan Yong <fan.yong@intel.com>
Change-Id: Ib811fa24ac7581c341d596afbed064a4fc3e7357
Reviewed-on: http://review.whamcloud.com/5551
Tested-by: Hudson
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
LU-2885 tests: don't e2fsck zfs partition

Skip check of ext4 extent info on zfs.

Signed-off-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Change-Id: I14d98d1d5dd0400c4d6c166a0b4a12c58992f62b
Reviewed-on: http://review.whamcloud.com/5548
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Emoly Liu <emoly.liu@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>