On 11/08/2013 02:47 PM, Mike Small wrote:
Others have discussed performance and longevity issues but what do people think of SSDs and what wikipedia calls data remanence (your data remaining visible on the drive despite your (modest and not involving sledge hammers or demagnetization) efforts)?
Part of why I run full disk encryption is to not worry about that. Don't destroy the disk, just destroy the encryption key.
If I did Bcache with an SSD, maybe I could stack it under the encryption. I think the sequential vs. random access patterns are still visible at that level. Heck, Bcache stands for block layer cache. That stacking would work.
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