A) sar -u 5 5
If %idle is low or 0 then CPU bottleneck

B) sar -u 5 5
If %wio > 15 then disk/tape bottleneck

C) sar -d 5 5
For most disks:
if > 50% busy then disk bottleneck
For small percentage of disks:
if > 20% busy then disk bottleneck

D) sar -d 5 5
if C) above true and avwait > avserv then:
I/O bottleneck

if C) above true and avwait < avwerve then:
memory bottleneck

E) vmstat 5 5
if po > 0 then paging.

F) swapinfo -tam
if total 85% or greater then add more swap

G) sar -b 5 5
if < 100% then caching problem.


H) df -i 
inode 

# last |more
pid exceeds MAXPID: wtmp file corrupted

# /etc/system su solaris per forzare al eth a 100fulldup
# Begin Force interface 100mb FullDup
 set hme:hme_adv_autoneg_cap=0
 set hme:hme_adv_100T4_cap=0
 set hme:hme_adv_100fdx_cap=1
 set hme:hme_adv_100hdx_cap=0
 set hme:hme_adv_10fdx_cap=0
 set hme:hme_adv_10hdx_cap=0
# End Force interface 100mb Fulldup