Firas,
Bypassing anaconda is a very good idea. Thank you for this important clue.
--
Oguz YILMAZ
On Wed, Jul 23, 2014 at 7:44 PM, Firas Alshafei
<Firas.Alshafei@xxxxxxxxxxxxxx> wrote:
> Oguz,
>
> I was doing something similar in my RHEL 5.8 kickstart.
>
> In the pre-script I have a function that calculates swap space based on RAM available:
> function func_dynamic_swap(){
> # Determine the ammount of RAM available
> mem_size_kb=`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`
>
> # Determing the amount of GB RAM - AWK is used to round up since meminfo doesn't provide accurate info
> mem_size_gb=`awk -v MSZKB=$mem_size_kb 'BEGIN{printf("%.2f\n",(MSZKB/1024/1024))}' | awk '{printf("%d\n",$1+0.5)}'`
>
> # Set swap value depending on RAM. If RAM is 16GB or
> if [ $mem_size_gb -ge 16 ]; then
> dyn_swap=$(( ( $mem_size_gb + 2 ) * 1024 ))
> else
> dyn_swap=$(( 16 * 1024 ))
> fi
>
> echo $dyn_swap
> }
>
> That should return the value I want. I then use it in another function to create the partitioning
> # Set disk sizing values
> sizeOverhead=200
> sizeSwap=$(func_dynamic_swap)
> sizeRoot=20480
> sizeVar=5120
> sizeUsers=39936
>
> # Create boot partition
> echo "part /boot --fstype ext4 --size $sizeBoot --asprimary --ondisk $disk1" >> /tmp/disk-config.ks
> # Partition Disk1
> echo "part pv.1 --size=1 --grow --ondisk $disk1" >> /tmp/disk-config.ks
> # Create Volume Group
> echo "volgroup VG1 --pesize $sizePeKB pv.1" >> /tmp/disk-config.ks
> # Create logical volumes
> echo "logvol swap --fstype swap --name lv_swap --vgname VG1 --size=$sizeSwap" >> /tmp/disk-config.ks
> echo "logvol / --fstype ext4 --name lv_root --vgname VG1 --size=$sizeRoot " >> /tmp/disk-config.ks
> echo "logvol /var --fstype ext4 --name lv_var --vgname VG1 --size=$sizeVar " >> /tmp/disk-config.ks
> echo "logvol /usr/users --fstype ext4 --name lv_users --vgname VG1 --size=$sizeUsers " >> /tmp/disk-config.ks
>
> and call that disk-config.ks file in your kickstart file
> ################################################################################
> # DISK CONFIGURATION
> ################################################################################
> #System bootloader configuration
> bootloader --location=mbr
> # Clear the Master Boot Record
> zerombr
> %include /tmp/abb-disk-config
>
> Hope that helps :)
>
> FIRAS ALSHAFEI
> Lead Engineer
> Email: firas.alshafei@xxxxxxxxxxxxxx
> (O) +1-281-274-5023
> (M) +1-330-647-6477
> VENTYX
> An ABB Company
> www.ventyx.com
> 1601 Industrial Blvd. | Sugar Land TX 77478 | U.S.A.
>
> -----Original Message-----
> From: kickstart-list-bounces@xxxxxxxxxx [mailto:kickstart-list-bounces@xxxxxxxxxx] On Behalf Of Oguz Yilmaz
> Sent: Wednesday, July 23, 2014 6:13 AM
> To: Discussion list about Kickstart
> Subject: dynamic partition size in a kickstart file
>
> Hello
>
> I want to dynamically set tmpfs size acc.to the ram the server has in my kickstart. Is there a way for such dynamic value setting?
>
> Best Regards,
>
> --
> Oguz YILMAZ
>
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