I've only ever seen lagged copies talked about as methods to avoid transaction log corruption leading to corrupt database copies. The idea being you can identify the approximate time your database became corrupted and, well, what then?
We use a simple one active one passive solution and backup the passive copy nightly. We're protected against hardware and/or datacenter failure. As an aside, I'm curious - does anyone here use more than three database copies? I'd be interested to hear reasons for it from a risk management vs cost perspective, rather than just "because we can". Cheers Richard --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist