[SUMMARY] mass rollout of flash updates on U5/10s

From: Tim Strobell - Asst Systems Admin (syssys@math.umd.edu)
Date: Thu Oct 05 2000 - 15:59:06 CDT

Thanks go to Matthew Stier and Thomas Jackson.

Turns out that it is certainly possible to boot the flash-update kernel over
the network. After carefully watching a local update, I got it to work.

The flash-update kernel reads some information from /platform, which means that
you must have a network boot image (like the one in Solaris_x.x/Tools/Boot for
the install server) in order for flash-update to do its magic.

I was trying to boot the flash-update *as* the kernel over the network --
meaning that the file that was TFTP'ed to the client at boot time was the
flash-update file. This failed miserably because it couldn't read the files in
/platform.

The proper way to do it is to set up a network boot image (Tools/Boot), add the
client (run add_install_client), and put the flash-update file in the root dir
of the boot image. (make sure the flash-update is chmod 0755!)

Then you go to the client and do 'boot net /flash-update-file-name'.
The network boot kernel will mount the boot image via NFS, allowing the
flash-update kernel to read /platform and continue on its merry way.

On Mon, Oct 02, 2000 at 09:35:29PM -0400, Tim Strobell - Asst Systems Admi wrote:
 |>Howdy fellow managers,
 |>
 |>I need to roll out flash updates for ~100 Ultra 5s of varying age.
 |>Although each will need to be cracked open so the prom jumper is
 |>write-enabled, is there any way to boot the flash-update 'kernel' over the
 |>network?
 |>I've tried booting the flash update as if it were say, the network boot
 |>kernel, but the boot fails with 'fast data access mmu miss'.
 |>
 |>Anyone have any ideas or have done this before?
 |>
 |>Thanks, and will summarize.
 |>
 |>Cheers,
 |>Tim
 |>
 |>--
 |>Tim Strobell - syssys@math.umd.edu - (301) 405-8175 - Fax (301) 314-0827
 |>Assistant Systems Administrator
 |>Department of Mathematics, University of Maryland at College Park
 |>
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Tim 

--
Tim "Griffy" Strobell, griffy@math.umd.edu, (301) 405-8175
Assistant Sysadmin, Server Janitor, and Customer Service Associate
Department of Mathematics, University of Maryland at College Park

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