The process may be slightly different depending if your HMC managed.
If HMC, wizard will step you through.
If nonHMC, then you need to check concurrent maintenance process for nonHMC managed.

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Evan Harris
Sent: Thursday, February 20, 2014 5:08 PM
To: Midrange Systems Technical Discussion
Subject: Replacing a pair of 5903s with a pair of 5913s

Hi All

I'm replacing a pair of 5903's with a pair of 5913's in a 750; intention is to allow an additional 5887 tray to be attached to the system.

The 5903 cards are housed in a 5877 and the partition owning the cards will be powered down to effect the change. There are cards owned by other partitions in the 5877.

Do I need to power off the entire 5877 and therefore shut down the other partition as well, or am I OK to replace the cards once the owning partition is powered down ? Should I/can I power off the individual slots as part of the install ?

The pre-reqs page also tells me to verify the firmware on the 5877 is at the right level - does anyone have any hints ore references as to how I would determine this ?

The partition the cards will be assigned to is running V6R1M1 and will be updated to resave level M prior to the hardware change, along with the latest cume, hiper and group PTFs.

Any and all advice appreciated.

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