RE: Removing a 9337 disk array under V4R4

Hi Mike ! Yep you can do it , be careful and do a full buck up  before,just
in case,
do an IPL in manual 01 B M to get DST
type  the password qsecofr x 2          
take the option Work with disks units then
Work with ASP configuration then
Remove disks units from the configuration  no probs ,  i'll pass all the
data to the rest of the ASP,yep it takes a while everything in life does .It
depends on their threshold (% of the disk being used )and model of
9337...240? 420?....  give it 4 hours + or - if they are at 50%.Remember to
wait for the confirmation screen.................
The other thing will be when ,whats it called ?... , ibm upgrades the 510 to
the 720, cause I don't know of any 710,take into account that if they take
the LS ,disk 0,from the 510 and install it into the 720  an error will come
up basically saying that the disk must be formatted in this machine nothing
wrong with it (hardware) but the performance won't be the top.  Best of luck
!!


 OH my God !, should I be explaining all this ?
-----Original Message-----
From: Mike Cunningham [mailto:MCUNNING@pct.edu]
Sent: Thursday, June 08, 2000 9:34 PM
To: MIDRANGE-L@midrange.com
Subject: Removing a 9337 disk array under V4R4


We are getting ready to remove two 9337 disk arrays from our 510 before
we upgrade to a 710.  We have never done this operation before and would
like a little feedback.  We have the documented steps from the manual
that tells us how to do it (i.e. full backup, boot into Manual and start
DST, removed the drive, etc)  and our IBM Maint rep tells us it should
take about 4 hours per array.

Before we jump off the ledge I would like to know if anyone out there
has done this and are there any hidden gotcha's that I should be aware
of.  

We are also courious if we will be able to remove both at once or will
we need to do one, wait 4 hours, and then do the second one. 



Mike Cunningham
Director of Computer Services
PA College of Technology
mcunning@pct.edu
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