>Has anyone else experienced a problem when restoring data where it starts
>fine but then at some random point it slows down to a crawl? The wait time
>starts to climb to 38 seconds, then resets to 0, then climbs to 38 seconds,
>then back to 0 constantly until there is no other choice but to stop the
>session. I was running a restore as with a virtualnodename, using several
>restores at once (since im restoring almost 1TB).

Without knowing the kind of restoral you were performing or its environment
(disk/file system configuration, collocation, tape drive type and model, etc.)
we can only offer general suggestions.  In that you were running multiple
restore sessions at a time, certainly waiting for tape dismount and mount will
be aggravated.  In http://people.bu.edu/rbs/ADSM.QuickFacts topic "Restoral
performance", the minimization of MOUNTRetention will help a lot.  Automatic
tape drive cleaning between tape mounts will add unaccountable time.
Directory congestion slows performance.  Data spread over tapes, with tape
technology which is poor at start-stop action is bad news.

The more information you can gather and supply, the more we can offer.

  Richard Sims, BU