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has a disk controller cache ever been documented to fail - causing a
corrupted database?  Will the controller battery hold on for a Katrina
power out length of time?

-Steve

This is getting lower level that I was getting at.  Essentially, the 
question is if the database will wait for say, three records to get 
updated before it will acutally write the data to disk.  Is it at that 
point the OS writes the journal entries and then writes the database 
entries or are the journal entries always written directly to disk and 
the database records are written when the threshold is reached.  
Whether the cache in the controller get corrupted ro any other 
hardware function is interrupted is not what I'm getting at.

Mike.



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