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                Upgrade from PowerPath 3.x to PowerPath 4.4
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                 *** Tasks to do 'anytime' before CMR ***

#scp the compressed tarball to your server
mkdir /var/tmp/PP  #(or anywhere you have 5 Mb available)
cd /var/tmp/PP 
scp <your_id>@nimserver:/depot/Software/UNIX/EMC/PowerPath/PowerPath4.4/\
aix/EMCpower.AIX.4.4.0.tar ./emc_pp_44.tar

#Uncompress and untar it into /usr/sys/inst.images/PP44
mkdir -p /usr/sys/inst.images/PP44
cd /usr/sys/inst.images/PP44
tar xvf /var/tmp/PP/emc_pp_44.tar

#Copy over script for removing all EMC devices
scp <your_id>@nimserver:/usr/local/bin/rm_all_EMC.ksh \
   /usr/local/bin/rm_all_EMC.ksh

#Copy over scripts for FS and VG actions
scp <your_id>@nimserver:/usr/local/bin/aix-*-chg /var/tmp/PP

#Save Powepath license (normally not necessary)
/usr/sbin/powermt check_registration > /var/tmp/PP/powerpath-license

*** End of tasks to do 'anytime' before CMR ***

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                        ***   CMR Tasks ***
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#Save lspv output for comparision after upgrade
lspv|grep power > /var/tmp/PP/lspv_b4_pp44_chg.txt

#DBA stops db instances and/or Dev stops applications

#Stop ecc processes
kill `ps -ef | grep ecc | grep -v grep | awk '{print $2}'`

#If filesystems are 'auto-mount'
/usr/local/bin/aix-fs-chg chfs -A no

#If volume groups are 'auto-varyon'
/usr/local/bin/aix-vg-chg chvg -a n 

#DO ONLY IF ***NOT*** A CLUSTER
	#Unmount filesystems
	#  some mounts have submounts, so, if there are errors, i
	#   you will have to run this twice
	/usr/local/bin/aix-fs-chg umount
	
	#Varyoff the affected volume groups
	/usr/local/bin/aix-vg-chg varyoffvg 

#DO ONLY IF *** IS A *** CLUSTER 
	# on this node (the one you are upgrading)
	/opt/VRTSvcs/bin/hastop -local -evacuate

#Remove all devices from powermt
powermt remove dev=all

#Remove device for all EMC devices
/usr/local/bin/rm_all_EMC.ksh

#Uninstall current PowerPath
installp -u EMCpower

#Install the new PowerPath filesets
installp -qa -d /usr/sys/inst.images/PP44 EMCpower

#check package
lslpp -l | grep EMCpower

#Reboot 
shutdown -r now

#DO ONLY IF *** IS A *** CLUSTER 
	# on ACTIVE cluster node (turn off SCSI reservation bit)
	varyonvg -bu DG_NAME

#Check for EMC devices
lsdev -Cc disk

#Run cfgmgr and/or emc_cfgmgr and/or powermt config, if needed 
cfgmgr
/usr/lpp/EMC/Symmetrix/bin/emc_cfgmgr
#/usr/sbin/powermt restore
/usr/sbin/powermt check
/usr/sbin/powermt config
/usr/sbin/powermt save

#Capture lspv output and compare to b4
lspv|grep power >/var/tmp/PP/lspv_post_pp44_chg.txt
diff /var/tmp/PP/lspv_b4_pp44_chg.txt /var/tmp/PP/lspv_post_pp44_chg.txt

#DO ONLY IF ***NOT*** A CLUSTER
	#Varyon volume groups 
	/usr/local/bin/aix-vg-chg varyonvg 

	#Mount filesystems
	/usr/local/bin/aix-fs-chg mount

	#If filesystems were 'auto-mount'
	/usr/local/bin/aix-fs-chg chfs -A yes

	#Volume groups are 'auto-varyon'
	/usr/local/bin/aix-vg-chg chvg -a y

#DO ONLY IF *** IS A *** CLUSTER 
	# on ACTIVE cluster node (turn on SCSI reservation bit)
	varyonvg DG_NAME

	# on this node (the one you are upgrading)
	/opt/VRTSvcs/bin/hastart

#DBAs Verify databases and/or Dev verifies apps
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