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ignoring a bunch of miscellaneous files that probably eat up a few percent of the total. Recon is the biggest elephant in this room, but not by an order of magnitude. The main uses of recon are: TKR alignment and ToT calibration; event displays; and reprocessing.
From our most recent purchases, disk runs at 0.9k$/TB and tape at 0.4k$/TB.
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cost is $100-200k per year - ie $100k per copy of the data (or full reprocessing)
(Aug 18, 2008) We may want to think carefully before moving fastmon to tape, in case these files are useful for long term trending.
Delete recon
Sacrifice ability to reprocess quickly from recon. Changes reprocessing time from small number of weeks (1-2) up to a small number of months
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