Lustre 1.6 Operations Manual

2. Install the IOR software (per the ReadMe file and User Guide accompanying
the software).
3. Run the IOR software. In user mode, use the lamboot command to start the
lam service and use appropriate Lustre-specific commands to run IOR
(described in the IOR User Guide).
Sample Output:
IOR-2.9.0: MPI Coordinated Test of Parallel I/O
Run began: Fri Sep 29 11:43:56 2006
Command line used: ./IOR -w -r -k -O lustrestripecount 10 –o test
Machine: Linux mds
Summary:
api
= POSIX
test filename = test
access
= single-shared-file
clients
= 1 (1 per node)
repetitions = 1
xfersize
= 262144 bytes
blocksize
= 1 MiB
aggregate filesize= 1 MiB
access bw(MiB/s) block(KiB)xfer(KiB) open(s)wr/rd(s)close(s)iter
------ --------- --------- -------- --------------------------
write 173.89 1024.00 256.00 0.0000300.0057010.0000160
read 278.49 1024.00 256.00 0.0000090.0035660.0000120
Max Write: 173.89 MiB/sec (182.33 MB/sec)
Max Read: 278.49 MiB/sec (292.02 MB/sec)
Run finished: Fri Sep 29 11:43:56 2006
17-4 Lustre 1.6 Operations Manual • September 2008