For that you really want proper backups (regardless of whether it's done manually or automatically by software) that are kept independent, possibly including previous versions of files, depending on how important the data is. It won't protect against accidental deletion of files or overwriting of files (or something such as fire!). if one of the hard drives fails, you still have access to all the data on the working hard drive(s), so you can keep on working and your business/etc. RAID is mainly intended for reliability/availability, ie. That said, RAID is not really intended as a backup solution. Synology is the only one I've used personally (DS214+), but I would suspect that the majority of the ones on the market which all run some flavour of Linux internally would run the same filesystem as well. Some quick googling seems to indicate that the WD My Book Live Duo also uses the same filesystem, so file recovery for it would be the same process. Synology uses a standard filesystem format that is commonly used in Linux, so file recovery is fairly simple with a Linux machine doing so under Windows/OSX likely requires additional software, with which I am unfamiliar, perhaps someone else can comment on that. There's a network drive that sounds good too, the Synology Diskstation 2-bay, and it looks good but I still have the same question about fool-proof recovery down the line, when the model has become "legacy." I've looked at the WD My Book Duo, which purports to do a lot of great stuff, but I'm concerned that features like encryption built in makes the media not readable if you just shove it into a computer and try to read it. Prefer direct connection (like USB - not Thunderbolt) rather than network, though network could be ok if it meets the first criterion. I would rather not buy an enclosure with idiosyncratic software that makes the disk unreadable by a "regular" disk enclosure many years hence.Ģ. General / universal enough so that if the enclosure itself somehow dies in five or ten years, the data is still recoverable by putting its drives into a new enclosure of some kind. (RAID 1 is the mirror one, where you duplicate data so when you save a file you instantly / automatically make a backup on a different drive).ġ. I'm seeking a really simple external RAID 1 solution.
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