On 05/20/2013 07:40 PM, Joey Boggs wrote:
On 05/18/2013 12:07 AM, Gareth wrote:
I need reset raid card before installing a system， and all of
progress need be automatic.
So I need a pxe environment to boot a livecd. In that, auto-script
will reset raid card with different tools installed in livecd.
Further more, a node could response pxe server to change its own grub
to install system on own drive. It's ok, but I want to make this
progress more simple. I think what I want is just a drive, like
/dev/sda. All of data in this drive is in kind of data in livecd,
except MBR.
I rsync the file system with its data and fail after reboot. So I'm
trying get to know how to set MBR.
You'll need to setup grub to set the mbr.
/sbin/grub2-install /dev/sda
I haven't had the chance to try it yet but it should work fine pending
everything being in place within ext3fs.img
On Fri, May 17, 2013 at 11:42 PM, Jiang Jim <[email protected]
<mailto:[email protected]>> wrote:
I think he means to using anacoda-based installer to install
centos system in a livecd.
I am also confused about how to use anacoda to install a system
to hard-disk in a livecd when i do not have a graph user interface.
2013/5/17 Scott Dowdle <[email protected]
<mailto:[email protected]>>
Greetings,
----- Original Message -----
> My problem is to install a system, Fedora or Centos, on a
hard drive.
> I have used rsync the data in ext3fs.img to a new hard
drive, and
> find data is right but I can't boot from the new drive. So
I want to
> know how MBR is set in livecd-tools.
I'm still clueless as to what you are doing. Are you booting
from live media (CD or USB drive) and using the
Anaconda-based installer to install? Why are you rsyncing
ext3fs.img? I don't get it.
Are you trying to write your own installer?
TYL,
--
Scott Dowdle
704 Church Street
Belgrade, MT 59714
(406)388-0827 [home]
(406)994-3931 [work]
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Gareth
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This is actually quite a bit more work. From start to finish. Taking
some code from ovirt-node project since we do quite a bit of this work
but we remain in livecd format using persistent storage off to the side.
- partition drives
- make the filesystems
- mount the cd
- mount initrd0.img
- mount the ext3fs inside initrd0
- mount the boot/root fs' root to /liveos for examples below
- rsync ext3fs.img contents to /liveos
#### you're somwhere in here ####
- mount /dev/sda1 to /liveos/boot
- grub2-install /dev/sda --boot-directory=/liveos
- create a grub.cfg file
example grub.cfg:
#default saved
set timeout=5
#hiddenmenu
menuentry "example entry {
set root=(hd0,%(partN)d)
linux /vmlinuz0 %(root_param)s %(bootparams)s
initrd /initrd0.img
}"""
- you still need to copy vmlinuz0 and copy the initrd to /liveos/boot or
/liveos if you keep just one partition and adjust grub.cfg file paths.
It can be done but it is quite a bit of manual work unless you script
it. Why not just create a livecd that resets the machine, then boot it
the second time with kickstart to do the installation? Are you just
trying to do it all at once?
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