Kickstart, partitioning, differing disk space

[Shabazian, Chip]

We have three  different partitioning schemes.  The kickstart figures
out how big the disk is, then uses one of three different schemes based
on the size.  However, if it's a VM, we automatically select the
smallest partitioning scheme


-----Original Message-----
From: kickstart-list-bounces at redhat.com
[mailto:kickstart-list-bounces at redhat.com] On Behalf Of John Oliver
Sent: Monday, November 09, 2009 10:52 AM
To: kickstart-list at redhat.com
Subject: Kickstart, partitioning, differing disk space

So far, I've been installing on physical servers that have ~500GB disk
space and on virtual machines that have 20GB.  I've been using two
different kickstarts:

# Partioning for physical servers
#logvol / --fstype ext3 --name=root --vgname=vg1 --size=500000
#logvol /var --fstype ext3 --name=var --vgname=vg1 --size=20480
#logvol /tmp --fstype ext3 --name=tmp --vgname=vg1 --size=8192
#logvol /usr --fstype ext3 --name=usr --vgname=vg1 --size=10240
#logvol /home --fstype ext3 --name=home --vgname=vg1 --size=20480
#logvol swap --fstype swap --name=swap --vgname=vg1 --size=8192

# Partitioning for 20GB VMs
#logvol / --fstype ext3 --name=root --vgname=vg1 --size 3072
#logvol /home --fstype ext3 --name=home --vgname=vg1 --size 2048
#logvol /var --fstype ext3 --name=var --vgname=vg1 --size=9000
#logvol /tmp --fstype ext3 --name=tmp --vgname=vg1 --size=4096
#logvol swap --fstype swap --name=swap --vgname=vg1 --size=2048

I'm trying to think of how I can have just one partitioning stanza that
would take any amount of disk space and partition it.  I'm working with:

# Test partitioning
logvol / --fstype=ext3 --name=root--vgname=vg1 --size=3072 --grow
--maxsize=500000
logvol /var --fstype=ext3 --name=var --vgname=vg1 --size=2048 --grow
--maxsize=20480
logvol /tmp --fstype=ext3 --name=tmp --vgname=vg1 --size=4096 --grow
--maxsize=8192
logvol /home --fstype=ext3 --name=home -vgname=vg1 --size=2048 --grow
--maxsize=20480
logvol swap --fstype=swap --name=swap --vgname=vg1 --size=2048 --grow
--maxsize=8192


I do not know yet if it will take all lines into consideration, or if it
will look at the first line, grow / to 20GB, and then say, "I'm done."

Is --percent about the only way I could do this?  That seems a little
messy.  Maybe combined with --maxsize?

Has anyone else slain this dragon?

-- 
***********************************************************************
* John Oliver                             http://www.john-oliver.net/ *
*                                                                     *
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