Disk Drive - C.P.U - performance measurement on Linux server

(For using tools like iostat, sar[cpu], mpstat[c.p.u usageINFO], nfsiostat[nfsShareStat], nfsstat[nfsShareStat], lpstat[cups-printerStats], vmstat[virtualMemStat])

You need sysstat installed
#yum install sysstat




CURRENT SERVER STATS
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[root@sssl-prime ~]# hdparm -T /dev/sda1
/dev/sda1:
Timing cached reads: 9152 MB in 2.00 seconds = 4581.28 MB/sec

[root@ssssl-prime ~]# hdparm -t /dev/sda1
/dev/sda1:
Timing buffered disk reads: 100 MB in 3.03 seconds = 33.04 MB/sec

[root@ssssl-prime ~]# hdparm -t /dev/sda2
/dev/sda2:
Timing buffered disk reads: 112 MB in 3.04 seconds = 36.85 MB/sec

[root@ssssl-prime ~]# hdparm -t /dev/sda
/dev/sda:
Timing buffered disk reads: 116 MB in 3.00 seconds = 38.62 MB/sec

[root@ssssl-prime ~]# hdparm -t /dev/sda3
/dev/sda3:
Timing buffered disk reads: 108 MB in 3.03 seconds = 35.64 MB/sec


[root@bu 5.8 ~]# hdparm -Tt /dev/sda

/dev/sda:
Timing cached reads: 26204 MB in 2.00 seconds = 13126.82 MB/sec
Timing buffered disk reads: 1312 MB in 3.00 seconds = 437.20 MB/sec

[root@bu 6.2 ~]# hdparm -Tt /dev/sda

/dev/sda:
Timing cached reads: 14174 MB in 2.00 seconds = 7095.22 MB/sec
Timing buffered disk reads: 912 MB in 3.00 seconds = 303.88 MB/sec