== sanity test 156: Verification of tunables ============= 06:26:11 (1788603971)
striped dir -i0 -c2 -H crush2  /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0232376 s, 705 kB/s
BEFORE:131093 AFTER:131097
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0436042 s, 376 kB/s
BEFORE:379529 AFTER:379533
Turn on read and write cache
Write data and read it back.
Read should be satisfied from the cache.
3+0 records in
3+0 records out
12288 bytes (12 kB, 12 KiB) copied, 0.0304176 s, 404 kB/s
cache hits: before: 28723, after: 28726
Read again; it should be satisfied from the cache.
cache hits:: before: 28726, after: 28729
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 28729, after: 28732
Write data and read it back.
Read should be satisfied from the cache.
3+0 records in
3+0 records out
12288 bytes (12 kB, 12 KiB) copied, 0.0060361 s, 2.0 MB/s
cache hits:: before: 28732, after: 28735
Turn off read and write cache
Write data and read it back
It should not be satisfied from the cache.
3+0 records in
3+0 records out
12288 bytes (12 kB, 12 KiB) copied, 0.0713651 s, 172 kB/s
cache hits:: before: 28735, after: 28735
Turn on the read cache and turn off the write cache
Write data and read it back
It should not be satisfied from the cache.
3+0 records in
3+0 records out
12288 bytes (12 kB, 12 KiB) copied, 0.0471433 s, 261 kB/s
cache hits:: before: 28735, after: 28735
Read again; it should be satisfied from the cache.
cache hits:: before: 28735, after: 28738