Table of Contents
HLR: How to migrate from SL3 to SL4
This procedure assumes that HLR has been configured with ig_yaim (use of standard names for databases and file locations).
Stop DGAS services on the CE
service glite-dgas-pushd stop service glite-dgas-urcollector stop
Stop DGAS services on HLR
service glite-dgas-hlrd stop
Dump DGAS databases on HLR
You have to backup the following databases: hlr, hlr_tmp.
mysqldump --databases hlr hlr_tmp --user root --password=<password> > hlr_databases_dump.sql
dgas2apel and dgas2apellog DBs are not required anymore.
Backup DGAS log on HLR
If you want to preserve the HLR log history backup the following directory (and then restore it after the migration):
/opt/glite/var/dgas/log
Backup local DGAS settings on HLR
You may want to save the optional configuration that you have eventually set in the following files:
/opt/glite/etc/res-list.txt
Install and configure the new HLR
Install e configure the new HLR on SL4 following the ”INFNGRID Installation and Configuration Guide for gLite 3.1 SL4 i386/x86_64”.
Restore the DGAS databases on HLR
mysql < hrl_databases_dump.sql -u root -p
Start DGAS services on the CE
service glite-dgas-pushd start service glite-dgas-urcollector start
