"Missing" tracks

[Scot Hacker]

I keep my music on a networked SAN. Before leaving for vacation I  
quite iTunes, unmounted and shut down the SAN, and shut down. When I  
returned, brought everything back up (SAN first). But uh - oh --  
approximately half of my 28,000   tracks are now marked missing (with  
the little gray exclamation point icon). But the files are not  
missing - I can choose  "Locate" and navigate to the tracks just  
fine. There's no way in hell I'm going to do this for each of 14,000  
missing tracks, especially as some are hard to find in the Finder  
(buried in compilations, etc.)

There is apparently NO way to make iTunes "check again" to see if  
missing tracks have re-appeared. Once it's marked a track missing,  
the only way to fix it is to manually navigate back to the track. Or  
am I missing something?

So question #1 is why did this happen? Question #2 is why isn't there  
a "rescan missing tracks" item in Advanced menu. Or is there an  
AppleScript capable of doing this?

Hmm... even weirder - now when I test again, double-clicking a  
"missing" track causes the "missing" icon to go away and it plays  
just fine. But that was not the case earlier today, when iTunes was  
insisting that clearly available tracks were missing. WTF?

Scot


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