== sanity test 156: Verification of tunables ============= 21:53:41 (1787450021)
striped dir -i0 -c2 -H all_char  /mnt/lustre/d156.sanity-check
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0402631 s, 407 kB/s
BEFORE:375320 AFTER:375324
4+0 records in
4+0 records out
16384 bytes (16 kB, 16 KiB) copied, 0.0402251 s, 407 kB/s
BEFORE:141349 AFTER:141353
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, 0.0504469 s, 244 kB/s
cache hits: before: 28719, after: 28722
Read again; it should be satisfied from the cache.
cache hits:: before: 28722, after: 28725
Turn off the read cache and turn on the write cache
Read again; it should be satisfied from the cache.
cache hits:: before: 28725, after: 28728
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, 0.0117723 s, 1.0 MB/s
cache hits:: before: 28728, after: 28731
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, 0.0383826 s, 320 kB/s
cache hits:: before: 28731, after: 28731
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, 0.0218087 s, 563 kB/s
cache hits:: before: 28731, after: 28731
Read again; it should be satisfied from the cache.
cache hits:: before: 28731, after: 28734