10204 RAC upgrade

  • From: Sanjay Mishra <smishra_97@xxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Sun, 14 Feb 2010 13:07:55 -0800 (PST)

Hi

I had to upgrade one of the 8 Node RAC environment and it is running 5 Database 
with ASM and RDBMS with it own Home in 10.2.0.3 on AIX. We have only 2-3 hrs 
window and so want to have expert opinion on the following
        1. If I will upgrade CRS and it suggest at the end of successfull 
install to run root102.sh on all NODES Can I run on all node in parallel. It 
takes 10-15 minutes and so want to save some time. Not clear if it affect each 
other as anyway CRS is down at that time on that node
        2. Can I run the CRS upgrade indiviual on all node at the same time 
from few new putty session instead of initiating from one window and selecting 
all nodes. The reason is that it will take 15 Minutes to upgrade on Node 1 and 
then 15 minutes to copy to other nodes. If there are 7 more nodes, then it will 
take 15*7=100+ min. to copy to other nodes. So I f will run seperately from 
each nodes, it will be total of 15-20 minutes for Software and then 15 minutes 
for root102.sh.
        3. If CRS is upgraded and is down, Can I start the ASM and RDBMS 
upgrade at the same time or it will conflict due to /tmp/installer Lock files 
or any other issue can come. 

TIA
Sanjay


      

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