== sanity test 248b: test short_io read and write for both small and large sizes ========================================================== 05:16:31 (1787908591)
bs=53248 count=113 normal buffered write
113+0 records in
113+0 records out
6017024 bytes (6.0 MB, 5.7 MiB) copied, 0.111414 s, 54.0 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, 11.6678 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, 37.6018 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, 17.394 s, 346 kB/s
test invalid parameter 2MB
error: set_param: setting /sys/fs/lustre/osc/lustre-OST0000-osc-ffff9cb011c29800/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-ffff9cb011c29800.short_io_bytes=512K
osc.lustre-OST0000-osc-ffff9cb011c29800.short_io_bytes=262144
test large parameter 64KB
osc.lustre-OST0000-osc-ffff9cb011c29800.short_io_bytes=65536
osc.lustre-OST0001-osc-ffff9cb011c29800.short_io_bytes=65536
osc.lustre-OST0000-osc-ffff9cb011c29800.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, 14.16 s, 425 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, 9.23165 s, 652 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, 1.87498 s, 3.2 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, 5.7 MiB) copied, 1.88489 s, 3.2 MB/s
osc.lustre-OST0000-osc-ffff9cb011c29800.short_io_bytes=16384
osc.lustre-OST0001-osc-ffff9cb011c29800.short_io_bytes=16384