Re: [OSR-devel] iSCSI Root

[Gordan B. <go...@bo...>]

On Fri, 12 Oct 2007, Marc Grimme wrote:

>>> So I'll explain it without.
>>> It's basically quite easy:
>>> 1. For every node: spare one partition for the chroot (let's say it
>>> is /dev/sda4) and let it be at least 500M.
>>> 2. For every node: mkfs.ext3 /dev/sda4
>>> 3. Add to the com_info section for every node the following:
>>> <chrootenv mountpoint="/var/comoonics/chroot" fstype="ext3"
>>> device="/dev/sda4" chrootdir="/var/comoonics/chroot"/>
>>> 4. Make a new initrd
>>> 5. reboot every node
>>> That's it no everything should be running on your local disk instead of
>>> tmpfs.
>>
>> OK - how does this work, then? Does it copy the initrd to the disk at
>> boot time? Or does the mkinitrd build the init root straight on that
>> partition? Or does something else happen? What does
>> /etc/sysconfig/comoonics-chroot do, then? I thought it had some part to
>> play in this.
>
> So first the initrd is loaded into RAM. This we cannot change. Then the
> localdisk is setup (linuxrc.generic.sh lines 279-288).

Aha! All becomes clear. So /etc/sysconfig/comoonics-chroot is not 
something I need to worry about.

Gordan