[root@gndev2 backup]# pwd
/mnt/bobcat/secondary/backup
[root@gndev2 backup]# ./synchronous_io_test 1000000
Writing 977 KiB in 1024 byte chunks, asynchronously
0.09 seconds elapsed
Writing 977 KiB in 1024 byte chunks, synchronously
39.44 seconds elapsed

[root@gndev2 backup]# pwd
/mnt/bobcat/primary/messages
[root@gndev2 messages]# ./synchronous_io_test 1000000
Writing 977 KiB in 1024 byte chunks, asynchronously
0.09 seconds elapsed
Writing 977 KiB in 1024 byte chunks, synchronously
33.94 seconds elapsed

[root@gndev2 ~]# pwd
/root
[root@gndev2 ~]# ./synchronous_io_test 1000000
Writing 977 KiB in 1024 byte chunks, asynchronously
0.00 seconds elapsed
Writing 977 KiB in 1024 byte chunks, synchronously
0.66 seconds elapsed