>>> On Fri, Jun 22, 2007 at  4:30 PM, in message
<[EMAIL PROTECTED]>,
"Stricklin, Raymond J" <[EMAIL PROTECTED]> wrote: 

>> Probably. Generally accepted practice in the Unix world 
>> separates /, /usr, /var, /opt, /home, and /srv (if used) into 
>> distinct filesystems.
> 
> I'm going to have to respectfully disagree.
> 
> Making separate filesystems without understanding the _reasons_ for
> making things separate filesystems is not a long-term recipe for
> success.

As we've seen over and over again on this mailing list, not splitting them out 
at all is almost a guarantee of short-term problems.  If that weren't the case 
http://linuxvm.org/Info/HOWTOs/movefs.html would not have needed writing.

-snip-
> I'd say that today, in general, if you don't know why you're splitting
> it out, don't split it out.

And here I disagree with you, since that means that almost everyone who's new 
to the game is almost guaranteed to have problems.  Sometimes, following the 
advice of more experienced people, and gaining understanding of their 
recommendations later (if they don't come concurrently with the advice) 
produces far fewer headaches.
 
> Data, on the other hand, should almost always be separate. Especially if
> it's data which is not controlled by the system administrators. (i.e.,
> /srv -- a SuSE convention which I personally find loathesome)

I don't think you can blame SUSE for that.  I'm pretty sure it's a requirement 
of LSB.  (But, while we're at it, let's condemn /media too.  That's equally 
worthless.)

The bottom line for me (and the group I helped lead at EDS) was that a 
combination of splitting file systems out from the root, and LVM, gave us the 
maximum amount of flexibility.  We could have a standard build that we could 
start with, and know that at worst, we'd need to tweak the amount of space in 
one file system or another.  All of our systems would look the same, and be 
managed the same.  No big surprises when logging on to one system versus 
another.  We never had a system go down because an OS file system filled up, 
and if an alert came in for a non-OS file system, we would just bounce it to 
the appropriate group, since it wasn't our responsibility.


Mark Post

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