jmarks wrote:After 3 years of service, my TS-639 can no longer recognize disc 2 and is running in degraded mode (read only) RAID 5. After several diagnostic sessions with Keith at qnap, including trying two new drives, it looks like something in the NAS is bad.
The official recommendation from QNAP is that I replace the machine, since repairs are will cost 30-50% of a new NAS and are warrantied for only 90 days.
There are three 6-bay QNAP products available : the 659 Pro+ (USB 2.0, no upgradeable RAM), the 659 Pro II (USB 3.-0, upgradeable RAM), and 669 Pro (20% faster processor, but the same as the Pro II).
All 3 systems will meet my needs, so I am primarily interested in buying based on Reliability.
Does the community have opinions about the comparative reliability of these 3 models? Is one more prone to failure than another? I also have two TS 659 Pros (not Pro IIs) and they have had no problems.
Thanks very much!
With the TS-669 only available in volume for some months there can't be any reliable failure statistics at all and I doubt the community will have anything meaningful (one, ten or fifty failures reported here says nothing about general model reliability) on the other two models also.jmarks wrote:What I am would like to learn from the community is the failure/repair record of these three machines.
For me - until the machines are phased-out, powered off, and dismounted from the network, ie. a TS-101 and a TS-201 form 2005/2006 or so - not that long ago... Here at home - manufacturer ** - the oldest units are from 2007. Oh - I?m operating a hand full of servers here built by DEC in 1995...1997 includidng the original HDD, too. No doubt, QNAP NAS hardware is very reliable. Some external power bricks delivered with the home and SOHO machines are slightly worse - so here I had some replacements.sbresin wrote:Following your discussion, how many years on average does last a nas which is powered on 24x7?
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