blockfile access patterns logging

[Samium Gromoff]

> Jens,                                                                                    
>                                                                                          
> For some time I've wanted to log exactly what linux is reading and writing               
> from my harddisk - for a variety of reasons. The current reason is that my               
> very idle laptop writes to disk every once in a while (or reads, I don't                 
> know).                                                                                   

Have you mounted the fs with -o noatime?

> Now, conceptually this should not be very hard, but I'd like to ask your                 
> thoughts on where I might insert some crude logging? There are lots of                   
> places that might be better or worse for some reason.                                    
>                                                                                          
> I'd love to be as close to the physical block device as possible, short of               
> rewriting actual IDE drivers.                                                            
>                                                                                          
> Any tips? Or is this idea crazy?                                                         
>                                                                                          
> Thanks!                                                                                  
>                                                                                          
> --                                                                                       
> http://www.PowerDNS.com      Open source, database driven DNS Software                   
> http://lartc.org           Linux Advanced Routing & Traffic Control HOWTO                

regards, Samium Gromoff


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