[Fwd: Re: [opensuse] Questions for Partitioning guru's]
- From: Peter Sjoberg <peters-opensuse@xxxxxxxxxx>
- Date: Sun, 09 Sep 2007 14:30:28 -0400
(Sorry Bob, first version did only go to you and bounced)
On Sat, 2007-09-08 at 00:49 -0400, Bob S wrote:
Hello SuSE people,Other people already answered so I skip some redundant answers.
This is especially for you guys/gals that run 3or 4 os's on a big hard drive.
How do you handle the primary and extended partitions?
Is the /home as safe residing in the extended partition?you can have it wherever you like but you need to be careful with what
you do in regards to usage of it.
For example, say that you boot 10.2, mount /home, login as user bob and
start up misc programs like kde/gnome/mailer etc.
That creates lots of new files in /home/bob
Well, 10.3 is out so lets try it, you install it, use same /home and
login as bob. Your old desktop is now migrated to latest version.
You reboot back to 10.2 and suddenly your email/IM/xchat/whatever
doesn't work because it's config files where changed for the newer
version and the old version gets confused/bails out.
My way of handling that is that I have different users and copy around
data so I only migrate to newer versions and never back.
How do you manage to run 3 or 4 os variants on just 4 primary partitions?Remember that it's only M$ win that requires primary partition and
everything will be much easier
Besides what the other posts said I didn't see anyone with a setup
Love to hear your individual strategies.
similar to mine.
I'm using 3 disk (was using 5 for a while, 3 ide & 2 sata) and at my
peak I had MS Win, opensuse 10.0, 10.1, suse desktop beta and 2 versions
Mandrake installed.
You could do something like:
disk1p1 M$ Win
disk1p2 /boot # 200Mb common boot for everyone
disk1p3 swap # swap common to everyone
disk1p5 / # everyday Linux 1 (one you can fall back to)
disk1p6 / # everyday Linux 2 (one you plan to move to)
disk1p8 LVM
disk2p1 LVM
disk3p1 LVM
LVM: collection of all partitions marked LVM (=all disks become one huge
virtual disk)
homelv # common home dir for all installs (see note above)
datalv # common data like install packages, mp3, movies etc
NLDlv # root partition for NLD testing
SLESlv # root partition for SLES testing
fclv # root partition for fedora testing
I normally don't put the root partition on LVM because it makes it
harder to recover (hard to get to single user mode when the lvm needs
fixing) but with multiple OS installed you can always boot some other os
to fix it.
I love lvm since it's so flexible, if you for example run low in space
in datalv you can just expand it without playing around with disk
partitions (=much safer) and you can even add a new disk and expand it
without problem. If I need to replace a disk with a bigger one/remove
one I can use a single "pvmove /dev/hdb" to move data around and get it
done without tons of repartition and fs moves.
One thing is that since /boot and /boot/grub/menu.lst is common for all
installs you need to manually manage that area. I found that each os
version have there own version numbering like
vmlinuz-2.6.18.8-0.5-default/initrd-2.6.18.8-0.5-default so there is no
conflict but they normally replace /boot/grub/menu.lst so I make sure I
have a copy of menu.lst somewhere and then I manually merge the old and
new menu.lst after each install.
Anxiously awaiting the final 10.3 so I can try Compiz-Fusion, Beryl whateverI'm also waiting for 10.3 final but you can do as me and start playing
and be able to fall back to 10.2 when I screw it up.
with Beta 3 to get a feel for it and report problems (or you may have to
report same problem on the final because everyone assumed someone else
already tested and reported it)
Bob S.
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