[sf-lug] [Ed]Ubuntu Automated Installs

[Andy Grimm]

I'll give the summary from my own perspective:  The current status is that
we have 6 disks:

sda (9GB) -- primary OS disk for mirrored setup.  Grub is installed on the
MBR (with config on sda1)
 |-- sda1 is /boot, and is not mirrored
 |-- sda2 is /, part of md0, which is a RAID 1 software mirror.
 |-- sda3 is swap, and is not mirrored.  (Did we run mkswap on it yet??)

sdb (9GB) -- mirrored OS disk.  Grub is NOT installed on the MBR yet
 |-- sdb1 has no filesystem yet. It should be a mirror of sda1
 |-- sdb2 is /, part of md0 along with sda2
 |-- sdb3 will be swap (mirrored?), but is not set up yet

sdc (36GB) -- not configured yet, will be the exported network FS (/home,
/srv/home or whatever)
sdd (9GB) -- not configured yet
sde (9GB) -- THIS DISK IS BAD.  It needs to be removed ASAP, as the errors
are part of what's slowing the boot process

sdf (36 GB) -- This is currently the booted OS disk, but will become the
mirrored counterpart to sdc.

Now, as for how to get to where we're going tonight, I have fixed (I
*think*) the grub config and fstab on the mirrored disks. We still need to
re-run mkinitrd so it knows about /dev/md0, though.  At that point, we can
flip back to booting from sda.

As for the SCSI adapter setup, it's a little tricky, because there are three
adapters: one on-board controller for the disks, one for the CD-ROM, and a
PCI SCSI controller.  The disks are all plugged into the PCI one right now.
To change which disk the system tries to boot from, you have to hit Ctrl-A
when the PCI SCSI controller is initializing.  Then in the adapter
configuration, you can change the SCSI ID of the boot disk.  Use 0 for sda
or 5 for sdf.

I think that's enough detail for now.  Hopefully I'll see you guys tonight.

--Andy

On 7/19/07, Jason Turner <jturner at nonzerosums.org> wrote:
>
> Whoa -- good morning people.  I didn't get a chance to send an
> update/request last night but the short short of the situation is:
>
> The server is up and running(still -- just confirmed) with a partially
> configured software RAID and "hybrid" boot config(I'll leave the details
> for others to explain if you're curious).  If possible, we'd like to
> return to the center this evening to finish work in those two areas.
>
> As Tom mentioned below, LTSP is out the window in favor of just
> providing a networked file space of some sort(NFS, SSHFS, other??).
>
> I'll check in with Tom and see if we can get a meeting time setup this
> evening.
>
> --
> jt
>
>
> jim stockford wrote:
> >     what's up at HVCC tonight (Thursday, 7/19)?
> >     we've got progress on the server machine but
> > it's not yet ready to play.
> >
> >
> > On Jul 19, 2007, at 7:48 AM, Tom Haddon wrote:
> >
> >
> >> This is in follow up to discussions last night at the Hayes Valley
> >> Community Center - seems like rather than LTSP we decided to go
> >> automated installs route as the server isn't beefy enough and the
> >> workstations are relatively powerful.
> >>
> >> https://help.ubuntu.com/7.04/installation-guide/hppa/automatic-
> >> install.html
> >>
> >> Seems like we can either use the Debian/Ubuntu way (called Preseeding),
> >> or Kickstart if people are more familiar with that.
> >>
> >> Looks like an interesting project!
> >>
> >> Thanks, Tom
> >>
> >> --
> >>
> >>
> >> ----------------------------------
> >> Tom Haddon
> >> mailto:tom at greenleaftech.net
> >> m +1.415.871.4180
> >> www.greenleaftech.net
> >>
> >>
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