If you want to keep 9.x and install 10.2, you'd need to reformat the filesystem for the larger partitions. In the process, you'll lose the 9.x slot. So make sure to back up the 9.x config to a UCS and then install 9.x after the 10.2 upgrade is complete. This is a painful set of steps for customers who are upgrading to 10.x for the first time and want to keep the original 9.x installation available for a quick regression.
If you don't want to keep a 9.x slot, it would make sense to move to volumes. In that case, you'd set --format to volumes.
You can extract the image2disk script from the BIG-IP ISO by running 'im '.
You can check the 10.2 release notes for details on installing the upgrade.
Also, I'd be slightly leery of running 10.2.0 without a hotfix on a significant production system. We're still recommending 10.1.0HF1 to enterprise level customers until at least 10.2.0HF1 is released by F5.
image2disk
Usage: /usr/sbin/image2disk [options] REPOSITORY
Install a product to a specified image location.
The REPOSITORY may be a product distribution file (an iso image), an HTTP URL,
or the absolute path to a local directory. If a URL or directory is
specified, it must correspond to the root directory of a mounted CD/DVD,
or loopback-mounted image file.
Options:
--instslot=LOCATION: Install to specified location (eg: HD1.1)
--pkgset=NAME: Install specified package set (eg: LTM.ROS)
--format=STYLE: Reformat disks in specified style before installation
STYLE may be either volumes or partitions
--noarray: when formatting, don't create a disk array even if the system supports it.
--force: Proceed with requested action even though it might
conflict with Software Volume Management
--autocreate: Allow creation of location if it doesn't exist.
--hotfix: Image file is a hotfix.
--nosaveconfig: Do not save and restore config
--nomoveconfig: Save/restore in same location; the installation location
--nvlicenseok: Allow installation to proceed even if license is not valid
--reboot: Reboot after installation
--setdefault: Set switchboot to newly installed image location
--verbose: Increase verbose level (cumulative)
--tee=FILENAME: Save all output to named file.
Aaron