Install RHEL6 from tmpfs

[anant garg]

Hi ,

I have a suggestion, Please check If they are helpful to you.

Would you please modify  ks=hd:sda2:/ks-sa.cfg to ks=hs:UUID='$DEVICE_UUID':
ks-sa.cfg

where
DEVICE_UUID is the UUID of /dev/sda2, you can use blkid for getting the
value


Also modify

>> harddrive --partition=tmpfs --dir=/mnt/isodir

to

>> harddrive --partition=disk/by-uuid/XXYY-ZZ

Where disk/by-uuid/XXYY-ZZ is the UUID of the partition you are using for
Installation


>> created the tar out of cdrom contents and kept in / dir

Also I think, but I am not sure that, there should not be tar for a ISO
tree. because installer search for stage2 image from that location. SO It
is better you  keep it as ISO .

Thanks and Regards,

Anant garg


On Tue, Jul 21, 2015 at 4:04 PM, Netravali, Ganesh <gnetravali at sonusnet.com>
wrote:

> Hi
>
> I have a situation where I can access the system remotely from BMC and
> access the console and need to do the automated kickstart installation.
> Presently system is installed with RHEL6 and followed the below step for
> hard disk based installation.
>
> 1. Copied automated ks.cfg to vmlinuz, initrd.img and images dir to /
> folder from ISO.
>
> Modified the grub.conf with below lines.
>
> title RedHat Install
>         root (hd0,2)
>         kernel /boot/vmlinuz ro
> root=UUID=9684465d-8ded-43cc-8069-de5ff713dd40  ks=hd:sda2:/ks-sa.cfg
> repo=/mnt/isodir stage2=hd:sda2:/images/install.img
>         initrd /boot/initrd.img
>
>
> 2. created the tar out of cdrom contents and kept in / dir
> 3. Below are is the content of kickstart file to copy the repo to tmpfs
> created out of system RAM.
>
> harddrive --partition=tmpfs --dir=/mnt/isodir
>
>
> Preinstall section code to create the install repository
>
> mount -t tmpfs -o size=1g tmpfs /mnt/isodir
> mkdir /mnt/isomount
> mount /dev/sda2 /mnt/isomount
> cd /mnt/isodir
> tar -xzvf /mnt/isomount/repo.tgz
> umount /dev/sda2
>
>
> reboot the system and boot from "Redhat Install" and this triggers the
> installation. Presently I got struck in partitioning the sda. Any one tried
> this before?  Is there any suggestions or good pointers?
>
> Thanks
> Ganesh
>
>
>
>
>
>
>
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