In OS X Lion, Apple has released a tool called Lion Recovery, that lets you repair disks or reinstall OS X Lion without the need for a physical disc. But a lot of administrators and other users have had concerns over how to build a custom recovery disk so they can have physical media handy to perform such restores. Today, Apple has released Lion Recovery Disk Assistant, which allows administrators to build such physical media. Lion Recovery Disk Assistant will install a recovery partition on a USB-attached volume (you can always clone from USB later if you really want it to be a SCSI or Fibre Channel volume). This partition doesn’t…