hdparm.sh

[root@localhost ~]# hdparm -Tt /dev/sdb1

/dev/sdb1:
 Timing cached reads:   25642 MB in  2.00 seconds = 12842.90 MB/sec
 Timing buffered disk reads:  532 MB in  3.01 seconds = 176.98 MB/sec
[root@localhost ~]# mount
/dev/mapper/VolGroup-lv_root on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,rootcontext="system_u:object_r:tmpfs_t:s0")
/dev/sda1 on /boot type ext4 (rw)
/dev/mapper/VolGroup-lv_home on /home type ext4 (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
[root@localhost ~]# hdparm -Tt /dev/mapper/VolGroup-lv_home

/dev/mapper/VolGroup-lv_home:
 Timing cached reads:   25022 MB in  2.00 seconds = 12531.71 MB/sec
 Timing buffered disk reads:  534 MB in  3.01 seconds = 177.48 MB/sec