The My Book I have used as my Time Machine for several years is now supposed to be full and no new backups can be made. Time Machine is still set to delete old versions. Time machine is also claiming that the update it is trying to make is over 600Gb which is the entire contents of my hard drive. I thought it should only be updating changed files not copying the whole disc again. Both internal and external drives are 1Tb.
Why not simply retire the old drive and upgrade to a larger capacity? When you do you can also move your old backups to the new drive (so you don't lose the history) and then you are in business. I would recommend this time using a higher quality EHD than a WD, if you decide to I'd recommend an OWC Mercury Elite Pro. You can find them at:
http://eshop.macsales.com/shop/firewire/1394/USB/EliteAL/eSATA_FW800_FW400_USB
To move your old TM files to the new drive follow the directions in:
Good luck.
If there is a Costco by you they had 5 TB externals for Mac under $150.
If you have run out of room you can manually trash half of the stored files if you are sure you won't need them.
Don
Time machine has stopped deleting old files to make way for new backups.
