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I'm using hard drives for short to medium term storage at the moment.
- RAID5 array for basic redundancy/availability as my main "working" drives
- regular full and incremental backups to a second RAID0 array in the same machine
- regular full and incremental backups to a 1TB external drive
There's still a chance my data could be wiped out by a freak electrical spike if the external drive is connected at the time, or fire destroys the room. I'll be buying a second external drive to store/rotate at an offsite location soon.
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