RE: Use entire disk as PV.

As well as generating /tmp/custom-part for kickstart, your %pre script also has to execute the Linux commands to create the PV.  There were some examples given earlier in this thread:

lvm pvcreate /dev/sdb
echo "volgroup rootvg /dev/sdb –useexisting" >> /tmp/custom-part

ought to give you a volgroup called rootvg consisting of the whole of /dev/sdb.  See 31.4. Kickstart Options<http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html/Installation_Guide/s1-kickstart2-options.html> if you haven’t found it already.


Moray.
“To err is human; to purr, feline.”

From: Speagle, Andy [mailto:[email protected]]
Sent: 09 May 2011 15:14
To: Discussion list about Kickstart
Subject: RE: Use entire disk as PV.

Hi Team,

I’ve progressed a bit on this issue.  What I’m presently trying to do is use a simple %pre script to generate a temp file with the commands to be included in the partitioning section of the kickstart.  So, I run the %pre script, it creates /tmp/custom-part, which is included in the partitioning section using:

%include /tmp/custom-part

All of that works duckily… however anaconda refuses to use “rootvg” without it being defined using the “volgroup” command in the partitioning section.  And sadly, I can’t get the “volgroup” command to work without a PV defined.  If I try to specify the partition by passing the --useexisting and --onpart options to the “part” command… that fails too … so I continue to be stuck.  This is what I do to have the /tmp/custom-part created:

echo "part /boot --fstype=ext3 --onpart=$BOOT" > /tmp/custom-part
echo "volgroup rootvg --useexisting" >> /tmp/custom-part
echo "logvol / --fstype=ext3 --name=root --vgname=rootvg --size=4096" >> /tmp/custom-part
echo "logvol swap --fstype=swap --name=swap --vgname=rootvg --size=2048" >> /tmp/custom-part
echo "logvol /var --fstype=ext3 --name=var --vgname=rootvg --size=2048" >> /tmp/custom-part
echo "logvol /var/tmp --fstype=ext3 --name=vartmp --vgname=rootvg --size=1024" >> /tmp/custom-part
echo "logvol /home --fstype=ext3 --name=home --vgname=rootvg --size=2048" >> /tmp/custom-part
echo "logvol /tmp --fstype=ext3 --name=tmp --vgname=rootvg --size=1024" >> /tmp/custom-part
echo "logvol /opt --fstype=ext3 --name=opt --vgname=rootvg --size=2048" >> /tmp/custom-part

Has anyone actually done this?  Is there some magic I’m missing?

-Andy

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