Migrating an Integrity HP-UX 11iv3 Instance to New Hardware

Figure 1 /usr/local/bin/merge_system_files

Step 6 (Optional): Adjust target kernel tunables if needed

1. To determine kernel tunables on the source clone, issue the command:

drd runcmd kctune

2. To change tunable settings which are known to be different for the target, issue the command:

drd runcmd kctune <tunable_name>=<tunable_value>

#!/usr/bin/sh

# merge_system_files - Merges system file from new hardware

# into system file on source clone

# $1 - system file from new hardware to be merged into

# system file on DRD clone.

typeset -i module_found

system_new_hw=$1

system_merged=/var/opt/drd/mnts/sysimage_001/stand/system

cp -p ${system_merged} ${system_merged}.save

cat ${system_new_hw} |

while read module_keyword module_name module_state

module_found=0

# ignore obsolete drivers

case $module_name in

"fcd_fcp" | "fcd_vbus" | "usb_ms_scsi" | "sasd_vbus" )

break

;;

if [[ ${module_keyword} = "module" ]]

then

grep ${module_name} ${system_merged} |

while read mod_keyword mod_name rest

if [[ ${mod_keyword} = "module" ]]

then

if [[ ${module_name} = ${mod_name} ]]

then

module_found=1

done

if [[ ${module_found} -eq 0 ]]

then

echo "Adding module ${module_name} ..."

echo "${module_keyword} ${module_name} ${module_state}" >> \

${system_merged}

;;

esac

done