== sanity test 248b: test short_io read and write for both small and large sizes ========================================================== 20:38:35 (1767317915)
bs=53248 count=113 normal buffered write
113+0 records in
113+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 0.138898 s, 43.3 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, 7.88899 s, 763 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, 32.8874 s, 183 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, 17.0113 s, 354 kB/s
test invalid parameter 2MB
error: set_param: setting /sys/fs/lustre/osc/lustre-OST0000-osc-ffff94e559ced800/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-ffff94e559ced800.short_io_bytes=512K
osc.lustre-OST0000-osc-ffff94e559ced800.short_io_bytes=262144
test large parameter 64KB
osc.lustre-OST0000-osc-ffff94e559ced800.short_io_bytes=65536
osc.lustre-OST0001-osc-ffff94e559ced800.short_io_bytes=65536
osc.lustre-OST0000-osc-ffff94e559ced800.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, 10.7635 s, 559 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, 5.22262 s, 1.2 MB/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, 1.52084 s, 4.0 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, 1.4353 s, 4.2 MB/s
osc.lustre-OST0000-osc-ffff94e559ced800.short_io_bytes=16384
osc.lustre-OST0001-osc-ffff94e559ced800.short_io_bytes=16384