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The following options are required under 'Disk Partition Information' section in ks.cfg file, for creating the Logical Volume Manager (LVM) partitions using kickstart.

 
#Disk partitioning information
part pv.<id> 
volgroup <name> <partition>
logvol <mountpoint> --vgname=<volume_group_name> --size=<size> --name=<name>

Note:
The options should be used in the sequence as they are mentioned. Physical Volume should be created first then Volume Group and then Logical Volume(s).

Example:
Two physical partitions should be created for Boot and Swap partitions and the rest of the space should be allocated using LVM.

Partition	Size	Name
/boot	150MB	/boot
swap	1GB	swap
/	8GB	lv_root
/var	4GB	lv_var
/tmp	2GB	lv_tmp
/spare	remaining space	lv_spare

Solution:
The following entries are required in ks.cfg file, as per the above requirements:

 
#Disk partitioning information
part /boot --fstype ext3 --size=150
part swap --size=1024
part pv.01 --size=1 --grow
volgroup vg_root pv.01
logvol  /  --vgname=vg_root  --size=8192  --name=lv_root
logvol  /var  --vgname=vg_root  --size=4096  --name=lv_var
logvol  /tmp  --vgname=vg_root  --size=2048  --name=lv_tmp
logvol  /spare  --vgname=vg_root  --size=1  --grow  --name=lv_spare

Further Reading:

• http://sources.redhat.com/lvm2/
• Kickstart-List Archives at: http://www.redhat.com/archives/kickstart-list/