If installing from the GUI, the software installation utility will allow you to choose volumes. Otherwise, per the documentation above, the commands below will help.
For the full text:
Warning: Do not use the --nomoveconfig option described in the following procedure on systems with existing, running installations of Application Security Manager. Doing so removes all content from the associated database. Instead, ensure that the configuration on the source installation location matches the one on the destination.
To do so, save the UCS configuration on the location you want to preserve, and apply that configuration to the destination before or after the installation operation.
To format for volumes and migrate the configuration from the source to the destination (for fully 10.x environments), run the command:
image2disk --instslot=HD --format=volumes
To format for volumes and preserve the configuration on the destination (for fully 10.x environments), run the command:
image2disk --instslot=HD --nomoveconfig --format=volumes
To format for partitions (for mixed 9.x and 10.x environments), run the command:
image2disk --instslot=HD --format=partitions
To install from the command line without formatting (not for first-time 10.x installation), run the command:
bigpipe software desired HDversion 10.x build product BIG-IP
To install from the version 10.x browser-based Configuration utility, use the Software Management screens.
After the installation finishes, you must complete the following steps before the system can pass traffic.
Ensure the system rebooted to the new installation location.
Log on to the browser-based Configuration utility.
Run the Setup utility, if needed.
Provision the modules.