Having /boot separate allows you to decide which volume you want to IPL
from.  It also allows you to have multiple IPL volumes available.  I also
have a /boot1, /boot2.4, etc.  /root is root's home directory and it forces
me to be careful with how much junk I put there.  If it were part of /, then
I could conceivably fill it up by being careless.

In my particular case, /usr, /opt, are shared read-only with other systems.

I'm not sure what you mean by a kernel upgrade forcing me to replace
multiple minidisks.  Most of the stuff that would need to be upgraded along
with the kernel typically lives in /usr.

Mark Post

-----Original Message-----
From: Chet Norris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, February 20, 2003 7:24 AM
To: [EMAIL PROTECTED]
Subject: Re: R/O Linux guest?


Per the below (03/12/02) response, what devices are Read-Only and
shared? It seems to me that only /usr and /usr/src could be. Then why
separate /root and /boot? I know you had a good reason, and I'm in the
process of re-mapping my file structures. Also, doesn't a kernel
upgrade force you to roll out multiple minidisk replacements?
Too bad we can't map it the same as USS with a separate /etc per image.

>From Archives Date: Tue, 12 Mar 2002 18:38:59 -0800
Mark Post wrote:
>/boot, /var and /tmp do _not_ have to be on the root file system.
>Mine aren't.  Unless you play some games, /bin, /dev, /etc, /lib,
>and /sbin have to be part of the root file system.  Anything else
>can be easily put on a different one.
>~ > df
>Filesystem           1k-blocks      Used Available Use% Mounted on
>/dev/dasdb1              52284     35868     13720  72% /
>/dev/dasdc1            1062992    388560    620436  39% /tmp
>/dev/dasdd1            1417324   1337424      7904  99% /usr
>/dev/dasde1             111572     50520     55296  48% /var
>/dev/dasdf1             104596     73036     26164  74% /opt
>/dev/dasdg1              10432      1756      8140  18% /boot
>/dev/dasdh1              52284      4936     44652  10% /root
>/dev/dasdi1              24384     12912     10216  56% /home
>/dev/dasdj1             921228    773876    100556  89% /usr/src

Mark Post



=====
Chet Norris
Marriott International,Inc.

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