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Forum Discussion
RND4000 volume scan/RAID sync every day
Hi,
I have the ReadyNAS NV+ RND4000, up to date with the latest firmware. It's been running flawlessly for about ten years albeit with only light use. It powers down overnight and there are man...
Disassembly revealed lots more dust and also that the RAM appeared properly seated. I cleaned but didn't reassemble to test at that point and went on to remove the PSU. Having reconfirmed with the multi-meter that the power cable (and the meter itself!) was working, I probed around in the power connector following the schematic found here:
http://www.readynas.com/download/archive/pdf/ReadyNAS_PSU_pinout.pdf
Nothing doing on various pins, various voltages, various grounds. Still seems odd to me that it should give up at the exact single time I physically disconnect it rather than one of its scheduled power downs every night, but there we have it.
PSU options would seem to be:
1. Hack a PC PSU, for the purpose of data recovery - I would probably be able to do this if it is just a case of the layout of the power connector;
2. Buy a new replacement PSU and reinstate the NV+ - easy option but probably worst value;
3. Buy a used NV+ and use it and/or its PSU to reinstate - risk of aged components, but then I'd have almost a full spare set if anything else went wrong. Any version issues to be aware of in this case?
Many thanks again for your assistance in these matters and helping to distill some of the information that is scattered across various threads!
Those are the right options, though with (1) I suggest hacking an extension cable - leaving the main supply untouched. The supply needs to be external anyway, so you will need an extension.
On (3), the main thing to avoid is getting an NV+ v2 accidentally. The labels on the back of the original NV+ identify minor hardware revisions using v2 and v3. But the "NV+ v2" is a completely different beast - an ARM based platform, which uses differently formatted disks. So you don't want a model that says "NV+ v2" on the front panel.
A couple of links that might be useful:
https://community.netgear.com/t5/Using-your-ReadyNAS/RND4000-NV-Power-Supply-Options/td-p/1134764
One supply that is still available for a reasonable price is the KT-FATX250 - you will find that one mentioned in one of the threads I linked in. Sandshark often helps folks who have questions on PSU replacement.
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