whatever you do.. do not write to the darn thing. pull it out and stop using it until you are ready to add it as a second HD to another
PC.
100 btc is a lot of money.
i recover hd data all the time and rarely do i fail. but sometimes it can be impossible for me or so time consuming that i only go the extra
mile for family or work.
+1 to this advice
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Then copy your wallet.dat file to a flash drive & put in a fire/water proof safe.I have 4 FD's put up with all my wallets on them in different locations (safes).
One is bound to survive a hurricane,breakin,or fire
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Good luck bro
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I would make sure that those safes are in
really different places, meaning different buildings, and hopefully different watersheds.
Most fire safes are designed for paper. There are some that are "media rated", but that means "magnetic media", meaning they'll keep the items inside below the Curie point of most magnetic storage (tapes and hard drives). I certainly haven't ever seen any that are "Flash Memory"-rated, and I'm not sure if such a thing even exists.
Personally, I generated a bunch of keys offline, encrypted them, burned them to M*Disc DVDs and printed the addresses (on paper) so that I could send to them. I think that if my home, my bank, and my office (40 miles away) all burn down, I'll have more pressing problems to deal with.