On my HP Proliant bl 410 box I am seeing a wierd performance behaviour. Could somebody help me understand what might be wrong?
OS is RHEL 6.4
[root@pprfcgtest01 ~]# dd if=/dev/zero of=/dev/sdb1 bs=4096 count=100000 conv=fsync
100000+0 records in
100000+0 records out
409600000 bytes (410 MB) copied, 1.0664 s, 384 MB/s
[root@pprfcgtest01 ~]# dd if=/dev/zero of=test.dat bs=4096 count=100000 conv=fsync
100000+0 records in
100000+0 records out
409600000 bytes (410 MB) copied, 1.0246 s, 400 MB/s
[root@pprfcgtest01 ~]#
