== sanity test 248b: test short_io read and write for both small and large sizes ========================================================== 01:09:03 (1735106943)
bs=53248 count=113 normal buffered write
113+0 records in
113+0 records out
6017024 bytes (6.0 MB) copied, 0.0511836 s, 118 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, 1.40618 s, 4.3 MB/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, 3.38998 s, 1.8 MB/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, 4.19331 s, 1.4 MB/s
test invalid parameter 2MB
error: set_param: setting /sys/fs/lustre/osc/lustre-OST0000-osc-ffff88008df0b800/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-ffff88008df0b800.short_io_bytes=512K
osc.lustre-OST0000-osc-ffff88008df0b800.short_io_bytes=262144
test large parameter 64KB
osc.lustre-OST0000-osc-ffff88008df0b800.short_io_bytes=65536
osc.lustre-OST0001-osc-ffff88008df0b800.short_io_bytes=65536
osc.lustre-OST0000-osc-ffff88008df0b800.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, 1.21526 s, 5.0 MB/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, 0.409542 s, 14.7 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) copied, 0.326469 s, 18.4 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, 0.334625 s, 18.0 MB/s
osc.lustre-OST0000-osc-ffff88008df0b800.short_io_bytes=16384
osc.lustre-OST0001-osc-ffff88008df0b800.short_io_bytes=16384