== sanity test 248b: test short_io read and write for both small and large sizes ========================================================== 00:09:06 (1746158946)
bs=53248 count=113 normal buffered write
113+0 records in
113+0 records out
6017024 bytes (6.0 MB) copied, 0.110345 s, 54.5 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) copied, 9.11232 s, 660 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) copied, 30.4527 s, 198 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) copied, 10.2487 s, 587 kB/s
test invalid parameter 2MB
error: set_param: setting /sys/fs/lustre/osc/lustre-OST0000-osc-ffff88009614f800/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-ffff88009614f800.short_io_bytes=512K
osc.lustre-OST0000-osc-ffff88009614f800.short_io_bytes=262144
test large parameter 64KB
osc.lustre-OST0000-osc-ffff88009614f800.short_io_bytes=65536
osc.lustre-OST0001-osc-ffff88009614f800.short_io_bytes=65536
osc.lustre-OST0000-osc-ffff88009614f800.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) copied, 8.08041 s, 745 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) copied, 6.486 s, 928 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) copied, 1.16351 s, 5.2 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) copied, 0.956816 s, 6.3 MB/s
osc.lustre-OST0000-osc-ffff88009614f800.short_io_bytes=16384
osc.lustre-OST0001-osc-ffff88009614f800.short_io_bytes=16384