RE: Detecting xen

["Gerrard Geldenhuis" <Gerrard.Geldenhuis@xxxxxxxxxxxx>]

Hi Georgi,

Good question,

The problem is I am assigning partition size using actual sizes rather than percentages. Production machines will have plenty of disk space available but trying to create 80+Gb’s of partitions on xen machine only given 5Gb’s will obviosly fail. I am thus stuck to using pre unless I can be more creative about my partitioning but that will require a lot of rethink.

 

Regards

 

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From: kickstart-list-bounces@xxxxxxxxxx [mailto:kickstart-list-bounces@xxxxxxxxxx] On Behalf Of Hristov, Georgi
Sent: 04 June 2008 17:05
To: Discussion list about Kickstart
Subject: RE: Detecting xen

 

I  understand you want to distinguish them, but what do you use that for? Is it for some post install customizations? You will have many more options in the post section instead of the pre section?

 

-Georgi

 

From: kickstart-list-bounces@xxxxxxxxxx [mailto:kickstart-list-bounces@xxxxxxxxxx] On Behalf Of Gerrard Geldenhuis
Sent: Wednesday, June 04, 2008 10:40
To: Discussion list about Kickstart
Subject: Detecting xen

 

Hi

I have the following in a pre-script to detect whether I am building a xen machine:

set $(list-harddrives)

vx=$(echo $2|cut -d. -f 1 )

if [ $vx -lt 5120 ]; then

        echo 'xen' > /tmp/xen

 

etc…

 

 

This makes assumptions based on disk size.

This is a fairly safe assumption for us because we control the disk size but I was wondering if anybody could suggest a more sure fire robust way of detecting whether one is building xen or “normal”. For normal builds I am using dmidecode which is working very well and I can even use it for VMWare builds.

 

My aim is to have one kickstart per service type that adjust itself according to underlying platform which could be IBM, HP, VMWare or Xen.

 

Regards

 

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