Solaris permission problem(newbie)

[Jerry Feldman]

While we are on the subject of file systems and hstory. 
In more recent years the /var directory is commonly a separate file 
system because it contains highly volatile data (spool, logs, tmp) where 
/usr normally contains stable data. Additionally, on Linux, the /boot 
directory is notmally a separate file systems on large disks because of 
the 1024 cylinder problem. (Some systems use /stand for a similar 
purpose). /opt is another file system which normally contains optional 
subsets, such as compilers, 3rd party software. 

Clustering makes things very complicated where multiple computers (eg. 
nodes) share a common disk cluster. Each of these computers could be 
running a different version of the OS (eg. tru64 5.0, tru64 5.0a, etc). 
Since all the disks are shared (eg. non-local) it presents interesting 
problems since some files and some directories must be node-specific. 
An example would be /var/adm and /var/log. 

Got to go to lunch.

On 28 Apr 2000, at 11:11, Mike Bilow wrote:
<some snips>
> The principle is that /var should be local.  Before /var existed, we had
> /usr/tmp, /usr/spool, and so on.  
Jerry Feldman <gaf at blu.org>
Associate Director
Boston Linux and Unix user group
http://www.blu.org
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