Whilst tape still gives me a good feeling in terms of having something physical to point the auditors at, and is very quick to restore once it is on site, there is still a gap in coverage. There is always going to be some amount of potential data loss between when the tapes last got picked up and when a disaster happens. As such I am pursuing a few options for nearline, recently synced storage, whilst trying to keep costs somewhat low.
One of the options would be to rsync from my multiple NFS mountable storage pools to a storage cloud filesystem (preferably encrypted). I would have one mondo transfer to start things off, but thereafter a small hourly/daily rsync to keep things up to date. One of the players in this space is Nirvanix who provide a simple interface to let me mount a /nirvanix filesystem under linux. I could mount this with AES encryption built in, and rsync to it as discussed. Amazon S3 is another option, although I would be on my own in terms of working out a good way to make it encrypted, mountable and rsyncable. Does anyone have any experience in using storage clouds for anything like what I propose? Any feedback on providers? Any glaring warning signs that should make me run screaming and find another way? Let me know! Thanks, Rob
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