[Networker] I think my Index is screwed up

Has anyone felt completely incompetent while trying to learn how to use 
NetWorker?  haha  

Anyways, I have a sneaking suspicion my Index is messed up on my NetWorker 
server.  Please bear with me, I'm still new to this and will try to explain as 
best I can.

Let's say I need to do a file recovery from physical tape from June 24th, 2009. 
 I do a Save Set search to find out the volume it is on, Offsite.025 has the 
appropriate Save Set for that date.  However, when I got to check the Indexes 
for that Save Set, there is nothing listed for that date.  

Which means that backup isn't in the Index correct?  If I run the command nsrck 
-L7 -t <time> <client name>, NetWorker asks for physical tape Offsite.023.  
Which was a backup from 2 weeks prior.  

I'm really confused about this.

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