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NAS back up and replacement for data preservation


ymc226

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Knowing that digital data inevitably goes bad, I want to preserve my digitized home videos as well as family photos as long as possible. As digital and NAS technology progresses, is it a good idea to get a new NAS every 5 years, keeping the older, pre-existing one as the back up?  Currently, I have a 5+ year old Drobo FS and just added a Synology NAS to the same network. In about 5 years, will plan    on replacing the Drobo which will be about 10 years. In both NAS devices, I’m using enterprise NAS designed hard drives.  Also have 3rd copies on an external drive as well as a 4th copy backed up to Blackblaze. 

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1 hour ago, robsonj said:

I do similar. Keep the last couple of years locally to the machine, backup with time machine, routinely merge to a mega catalog on a external drive, mirror that to a nas setup with mirroring and also sync to backblaze

Thanks for the reply. What program do you use to mirror to a NAS.  I do have Carbon Copy Cloner but I think it only works for directly connected external drives, not NAS.

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1 hour ago, ymc226 said:

I have a 5+ year old Drobo FS

If you use Drobo dual redundancy (all data stored on three drives internal to the Drobo), why are you worried about drive failure?  it would take three drives to fail simultaneously to loose any data.  Even without dual redundancy, it takes two simultaneous drive failures.  I still mirror my Drobo for off-site storage.  My oldest Drobo is 7 years old, although I have replaced the hard drives to increase storage capacity, not because of chronic drive failure.

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2 hours ago, zeitz said:

If you use Drobo dual redundancy (all data stored on three drives internal to the Drobo), why are you worried about drive failure?  it would take three drives to fail simultaneously to loose any data.  Even without dual redundancy, it takes two simultaneous drive failures.  I still mirror my Drobo for off-site storage.  My oldest Drobo is 7 years old, although I have replaced the hard drives to increase storage capacity, not because of chronic drive failure.

Never trust a drobo, I’d be more worried about the drobo failing than the hard drives 

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