[LU-15410] Add MDS Space check for dom-performance/IOR TEST

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.15.0
• Assignee: Arshad Hussain
• Reporter: Arshad Hussain

Description

 IOR Test within dom-performance requires at least 20GB MDS. Otherwise the IOR test fails with "Out of Space" error.

--------------------------------------------------------------------------
WARNING: Task 0, partial write(), 4096 of 8192 bytes at offset 98304
ior ERROR: write() failed, errno 28, No space left on device (aiori-POSIX.c:451)
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 2 in communicator MPI_COMM_WORLD 
with errorcode -1.