Thanks all. This is fantastic information which will help me immensely. The disparate servers are all running at about 5% CPU usuage and IO is VERY low. Most of the...

Well, this is how it's supposed to work:

12:45am onwards, every 4 hours, the transaction logs are backed up by the Maintenance Plan (MP) which creates TRN files and are stored...

I feel like a real idiot. Yeah, the backup is running at 1am. G.

Oh, and I tried to change the Subject line to fix the missplelling of Shrink (from Shring) and the forum doesn't let me- is this a known problem?