From: pSeries AIX Geek (aixgeek@YAHOO.COM)
Date: Thu Dec 26 2002 - 17:29:32 EST
Or do as I suggested in my post:
1. Set your bootlist with cd0 first (then hdisk0,
etc.).
2. When you want to reboot into service mode, you
stick in the CD.
3. When you're done with your work, remove the CD.
Obviously, this only works if you have easy access to
your machines (NIM booting would cause a problem), but
it's worked very well for me. In environments where
the machines were very remote, I could have operators
insert a CD and just hit the reset button if they
couldn't login and shut it down. Then I could walk
them through the service mode stuff without having to
"describe" for them how to hit the keys to get into
service mode.
--- "Jolet, John" <John.Jolet@MISYSHEALTHCARE.COM>
wrote:
> the microcode updates is a cool feature, but i'd
> prefer to switch to service
> mode with a key...that way you don't have to wait
> for just the right moment
> to hit the freakin' keystroke...just turn the key,
> reboot, and go get some
> coffee!
>
> -----Original Message-----
> From: Sheets, Jerald [mailto:JSHeets@OLOLRMC.COM]
> Sent: Thursday, December 26, 2002 10:18 AM
> To: aix-l@Princeton.EDU
> Subject: Re: bootlist info
>
>
>
> Yeah,
>
> Way back, you had to turn a key to go into
> service mode and modify
> boot lists and stuff. It's much nicer to do it all
> with keystrokes. The
> other cool thing is doing microcode updates from the
> OS isntead of requiring
> floppies and reboots.
>
> --jms
>
> -----Original Message-----
> From: Jolet, John [
> mailto:John.Jolet@MISYSHEALTHCARE.COM
> <mailto:John.Jolet@MISYSHEALTHCARE.COM> ]
> Sent: Thursday, December 26, 2002 10:09 AM
> To: aix-l@Princeton.EDU
> Subject: Re: bootlist info
>
>
> pci, as opposed to microchannel.....
>
> -----Original Message-----
> From: Myers, Drew [ mailto:MyersD@GOALAMO.COM
> <mailto:MyersD@GOALAMO.COM> ]
> Sent: Thursday, December 26, 2002 9:37 AM
> To: aix-l@Princeton.EDU
> Subject: Re: bootlist info
>
>
> For my education, what are you referring to as
> "modern" and not modern
> machines?
>
> -----Original Message-----
> From: pSeries AIX Geek [ mailto:aixgeek@YAHOO.COM
> <mailto:aixgeek@YAHOO.COM>
> ]
> Sent: Tuesday, December 24, 2002 2:38 PM
> To: aix-l@Princeton.EDU
> Subject: Re: bootlist info
>
>
> Don't worry about it. The service mode bootlist is
> a
> throwback to the days when you had a key to toggle
> back and forth between service and normal.
>
> On "modern" machines (actually, this probably worked
> back then), the system determines what media you are
> booting from and (in part) determines what mode to
> use.
>
> For example, set your bootlist with:
> bootlist -m normal cd0 hdisk0 hdisk1
>
> Now insert a CD and boot. You'll come up in
> service/maintenance mode.
>
>
> --- "CHANDRASHEKAR, MANI"
> <MANI_CHANDRASHEKAR@FLEET.COM> wrote:
> > All,
> >
> > I have hdisk0 as the primary boot disk
> and
> > hdisk1 as the mirrored
> > disk. I do understand that under normal conditions
> > if the os does not find
> > the boot image on hdisk0 then it will boot from
> > hdisk1.I have the normal
> > bootlist setting as :
> > bootlist -m normal -o
> >
> > hdisk0
> > hdisk1
> > rmt0
> > cd0
> > fd0
> > ent0
> >
> > 1) How should I have my service bootlist listed?
> > 2) If I have hdisk1 as the first entry in the
> > service bootlist and if my
> > hdisk0 is bad, can I boot my system in the service
> > mode and bring all my
> > filesystem's up..? (or)
> > should I modify the normal bootlist to have
> > hdisk1 as the first
> > entry..?
> >
> > Thanks,
> >
> > shekar...
>
>
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