Scanning backing store for a cluster file system

Working on solving an issue for a customer. Wrote a backing store scanning tool for the job. Its gathering all manner of information and computing md5 sums.

Right now it is single threaded, and as I am watching it run, it seems like I am using about 1/2 of the IO bandwidth (2 scans going at once on a machine). Will look at getting the scans going in parallel. Shouldn’t be hard (embarrassingly parallel problem).

This could be a useful tool for people. Once it is in shape, I’ll put it up on our site and make an annoucement.

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