years ago, the recommendation from Sun was to create several partitions on 
root disk. Something as below

s0 = /
s1 = swap
s2 = entire disk
s3 = /usr
s4 = /var
s5 = /opt
s6 = /export

This involves a lot of guess work when defining the slice size with 
potential problems. For instance, undersize /var and pretty soon there 
will be no space left to apply patch clusters. Undersize root filesystem 
and you are in trouble.
Nowadays, servers come standard with 72/146 GB disks and, if one is 
willing to pay for, 300 GB disks. My thinking is no longer to follow the 
above recommendation and use a new approach, such as:
s1 = swap (size=1GB)
s0 = /  (size = disk capacity - 1GB)

This way one gets rid of with the guess work of sizing the partitions.

Any comments about this approach? Pros and cons?

 
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