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  3. June 2006

Re: Start i5 without HMC

Yes you can upgrade the os in the HMC without interupting the i5.

If the HMC is toast and you need to start your i5 without it, you "might" 
be able to do it.  However you may wish to temporarily set on flags on the 
various lpars that they should power on when the frame is powered on.  We 
generally turn these off because when we put ptf's on the frame itself we 
don't want the lpar's ipling a lot.

You can upgrade the HMC during the middle of the day and you probably 
should.  That way, if you run into problems you can talk to one of the 'A' 
players at IBM and not a third shift flunky.  And if you plan on upgrading 
your i5 that weekend do not upgrade your HMC on the Friday.  If you run 
into problems you may need a little more time to handle it.  Just trying 
to unstress you for the long weekend.

Rob Berendt

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