UPDATE: This method works with Latest Feature Pack Release
You can use xenserver 5.6 media for upgradation. While booting from installation media you’ll find following option
upgrade xenserver-5.5
perform clean installation
Here you can choose upgrade xenserver-5.5
Before upgrading pl ensure to take backup of all VMs & host. If there error during installation you may loose running VMs.
Following examples will be helpful for backup & restore.
pool data
xe pool-dump-database file-name=”xen1.pool”
xe pool-restore-database file-name=”xen1.pool”
host data
xe host-backup file-name=”xen1.xbk”
xe host-restore file-name=”xen1.xbk”
vm back
xe vm-export filename=VM.xva vm=”VM”
xe vm-import filename=VM.xva
