Multiple TM Disks in Mountain Lion Recovery Console

I booted into the Mountain Lion Recovery Console for the very first time earlier this morning. I selected the option to recover from TM and to my suprise 5 TM disks were listed, referred to as Time Disk 1 to Time Machine Disk 5.
I originally created TM in a Mac OS partition on my 1Tb external desktop drive and outgrew that several months ago. I disabled TM, then copied the entire contents of the original TM partition to a new external drive, named the drive the same as the original, renamed the original partition, then re-enabled TM. Everything appeared to work seamlessly with TM continuing to operate without any problems.
When using TM from Mountain Lion, I can scan back until early June of this year, which is about right and I've successfully restored several personal files from several months back.
However, I'm now having doubts about my TM backups. Where does 5 separate TM virtual disks in Recovery Console come from? Should I do what presumably I ought to have done when I installed the new TM HD and start over from scratch?

I booted into the Mountain Lion Recovery Console for the very first time earlier this morning. I selected the option to recover from TM and to my suprise 5 TM disks were listed, referred to as Time Disk 1 to Time Machine Disk 5.
I originally created TM in a Mac OS partition on my 1Tb external desktop drive and outgrew that several months ago. I disabled TM, then copied the entire contents of the original TM partition to a new external drive, named the drive the same as the original, renamed the original partition, then re-enabled TM. Everything appeared to work seamlessly with TM continuing to operate without any problems.
When using TM from Mountain Lion, I can scan back until early June of this year, which is about right and I've successfully restored several personal files from several months back.
However, I'm now having doubts about my TM backups. Where does 5 separate TM virtual disks in Recovery Console come from? Should I do what presumably I ought to have done when I installed the new TM HD and start over from scratch?

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