== sanity test 248b: test short_io read and write for both small and large sizes ========================================================== 12:57:21 (1790787441)
bs=53248 count=113 normal buffered write
113+0 records in
113+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 0.248849 s, 24.2 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, 13.6483 s, 441 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, 49.1183 s, 123 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, 17.9384 s, 335 kB/s
test invalid parameter 2MB
error: set_param: setting /sys/fs/lustre/osc/lustre-OST0000-osc-ffff889e602d0000/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-ffff889e602d0000.short_io_bytes=512K
osc.lustre-OST0000-osc-ffff889e602d0000.short_io_bytes=262144
test large parameter 64KB
osc.lustre-OST0000-osc-ffff889e602d0000.short_io_bytes=65536
osc.lustre-OST0001-osc-ffff889e602d0000.short_io_bytes=65536
osc.lustre-OST0000-osc-ffff889e602d0000.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, 13.3551 s, 451 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, 11.6194 s, 518 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, 2.11703 s, 2.8 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, 1.97072 s, 3.1 MB/s
osc.lustre-OST0000-osc-ffff889e602d0000.short_io_bytes=16384
osc.lustre-OST0001-osc-ffff889e602d0000.short_io_bytes=16384