== sanity test 248b: test short_io read and write for both small and large sizes ========================================================== 08:41:31 (1787575291)
bs=53248 count=113 normal buffered write
113+0 records in
113+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 0.332919 s, 18.1 MB/s
bs=47008 count=128 oflag=dsync normal write f248b.sanity.0
128+0 records in
128+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 11.6622 s, 516 kB/s
bs=11752 count=512 oflag=dsync small write f248b.sanity.1
512+0 records in
512+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 37.5998 s, 160 kB/s
bs=4096 count=1469 iflag=direct small read f248b.sanity.1
1469+0 records in
1469+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 14.9644 s, 402 kB/s
test invalid parameter 2MB
error: set_param: setting /sys/fs/lustre/osc/lustre-OST0000-osc-ffff903047f1f800/short_io_bytes=2M: Numerical result out of range
error: set_param: setting 'osc/lustre-OST0000*/short_io_bytes'='2M': Numerical result out of range
test maximum parameter 512KB
osc.lustre-OST0000-osc-ffff903047f1f800.short_io_bytes=512K
osc.lustre-OST0000-osc-ffff903047f1f800.short_io_bytes=262144
test large parameter 64KB
osc.lustre-OST0000-osc-ffff903047f1f800.short_io_bytes=65536
osc.lustre-OST0001-osc-ffff903047f1f800.short_io_bytes=65536
osc.lustre-OST0000-osc-ffff903047f1f800.short_io_bytes=65536
bs=47008 count=128 oflag=dsync large write f248b.sanity.2
128+0 records in
128+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 10.9222 s, 551 kB/s
bs=53248 count=113 oflag=direct large write f248b.sanity.3
113+0 records in
113+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 10.239 s, 588 kB/s
bs=53248 count=113 iflag=direct large read f248b.sanity.2
113+0 records in
113+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 2.07518 s, 2.9 MB/s
bs=53248 count=113 iflag=direct large read f248b.sanity.3
113+0 records in
113+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 2.04605 s, 2.9 MB/s
osc.lustre-OST0000-osc-ffff903047f1f800.short_io_bytes=16384
osc.lustre-OST0001-osc-ffff903047f1f800.short_io_bytes=16384