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Forum Discussion
Solved
Use 10TB RAID 1 Mirroring With ReadyNAS 212 Two Bay.
ReadyNAS 212 Two bay diskless
ReadyNAS OS 6.9.5 ARM
Two Western Digital 10TB RED NAS SATA 3.5 Inch hard disk drives
System does not recognize disk in bay 2 (LED does not light, readycloud s...
I think I figured it out.
Probably voids the warranty however :-(
Solution was to replace the 3V CR2032 battery on the cpu board. I don't know if resetting the BIOS or installing a fresh battery was the fix. The original battery had a voltage of 3.07 using my multimeter. I had a new battery on hand, and the fresh one had a V of 3.27. The experiment to do would be to put the original 3.07V batt back in and see what happens.
Had to remove the circuit boards from inside the case since I could not get to the battery otherwise. I removed the sides of the case. There are three boards and the fan assembly. The fan is plugged into what appears to be a system board. The system board has a heat sink over the quad core ARM cpu, and the mount holding the 3V battery. The two SATA data/power connectors are mounted on a small board plugged into a connector on the system board, parallel to the fan assembly. The third board has the DC in, 2x network jacks, 2x USB3, and single eSATA ports, also plugged into the system board, parallel to the fan assembly. I removed the fan assembly, then the SATA board, then the DC power/external connect board, then the system board. I popped out the battery then replaced it. Assembly was in reverse order: system board --> connector board --> SATA deck --> fan assembly. I put the sides back on. Connected the AC adapter then pressed the power button. After the LEDs stopped blinking, both LEDs for for 1 and 2 were lit and steady. I power cycled to confirm all was repeatable. I was unable to log into the admin page, so I did boot menu to the reset to factory default.
Thanks.
Since you mention POWER I suspect this may be that 3.3V PWDIS issue with SATA power pin 3 as described in the PDF at the following URL:
I will receive some polyimide (Kapton) tape tomorrow then cover pin 3 with a tiny sliver.
Again, my RN212 has no issues powering up other drives with SATA connectors. I tried 2.5 and 3.5 inch units, including an SSD, both bays 1 and 2 filled at the same time with full success. But then after I successfully mounted other SATA drives in the ReadyNAS 212, neither 10TB RED drives would spin up (no lights for LEDs 1 and 2) when before LED 1 would illuminate.
For the record, the 10TB drives I am using are from Western Digital Easystore USB 3 enclosures. They were on sale at BestBuy for $169.00 and if ordered for store pickup via customer account. The drives contain EMAZ in the model number. They are RED NAS helium filled variety, but with a white label. Made in Thailand with 256MB cache.
geishaslave wrote "For the record, the 10TB drives I am using are from Western Digital Easystore USB 3 enclosures. They were on sale at BestBuy for $169.00 and if ordered for store pickup via customer account."
I'm impressed! The cheapest 10TB drive you can get in Germany (heise preisvergleich on 20190224 1500CET) is a Toshiba X300 (HDWR11AEZSTA) for €275, which is >US$310 depending on the exchange rate you might apply. I wonder, what has been sold to you in the end while being claimed to be a 10TB hdd.
Kind regards
Update.
I am going to do an RMA.
However I think the WD100EMAZ drives are simply not compatible.
I have confirmed that both 10TB Western Digital drives function outside of the RN212 enclosure.
Mounting different drives, of lower capacities, works fine. The earlier post above shows that the RN212 can handle up to 24TB total capacity.
I chose the RN212 over other brands because of the quad core cpu, 2GB RAM, price point, frequent system updates, and previous excellent experience with Netgear products.
Thanks for the prompt, friendly, and supportive replies.
That's unlikely to be the problem. To the best of my knowlege, no ReadyNAS has 3.3V SATA power present.
But, no harm in trying.
Thanks.
Yes, PWDIS pin 3.3V is a non-factor.
I contacted tech support by voice. They are checking if the WD100EMAZ disks are compatible. In theory they should work, 10TB capacity and there are other Western Digital disks on the HCL with the Z designation.
My WD100EMAZ units have the same firmware version as RED drives, but speed of 5400 rpm. I noticed that there are no supported 10TB 5400 rpm drives on the HCL of any vendor. Does RPM play a role in ReadyNAS operation? For the WD100EMAZ disk that mounts, ReadyNAS UI reports 5900 RPM.
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