[j-nsp] On upgrading an M5

[Julien Goodwin]

I've just spent the last few days (when not gorging myself on seasonal
fare) upgrading an M5 for lab use, and thought a few notes might be
useful for next time I need to do it.

CF Upgrade:

1. Changing the CF in an RE-2.0 is a pain, disassemble, do the complete
upgrade, only then reassemble, you'll thank yourself after going back
for the tenth time.

2. If you don't zero the new CF (at least the first few MB) you'll need
to change the boot order *before* installing it:

root at M5> start shell
root at M5% sysctl machdep.bootdevs
machdep.bootdevs: pcmcia-flash,compact-flash,disk,lan
root at M5% sysctl -w machdep.bootdevs=pcmcia-flash,disk,lan
machdep.bootdevs: pcmcia-flash,compact-flash,disk,lan ->
pcmcia-flash,disk,lan

3. If you have pre-8.5 JunOS on a device it seems like it will ignore >=
1GB CF, so you may need to snapshot, remove CF, upgrade JunOS, install
CF, snapshot back

4. If the CF isn't in the boot list some version of JunOS will simply
ignore it

5. If CF isn't in the boot list a major alarm goes in 9.3 (doesn't in
8.5, didn't test anything in between)

6. If the CF isn't in the boot list on upgrade, it will be added back
(at lest in a 9.3 -> 10.0 upgrade)


PIC's:
P-style pic's still work without alarm, at least as of 10.0R2.10.

Just remember to add some form of ejector *before* installing into the
chassis, or at least mount it next to a PE pic.

-- 
Julien Goodwin
Studio442
"Blue Sky Solutioneering"