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Bad disks detected and blue LED lit
I have a quite old ReadyNAS Duo with two mirrored 1TB disks (Western Digital Caviar Green).
Yesterday after re-booting the NAS I got an error message saying "Bad Disks Detected" with the blue L...
The factory reset seems to have solved my problem with the disks and I can now access the NAS etc. I have also recreated the files. Now what remains is to see if the device will continue to be unstable and in need of os reinstall every now and then.
Thanks for all the help!
ManneD wrote:
So, my question is: Is there really a disk problem or is the problem with the NAS? How can one tell?
It might also be a failing power brick (not providing enough current to power both drives and the system itself), Replacement bricks are inexpensive, so one option is to do a risk-buy.
Connect the disks to a windows PC, and run Western Digital's Lifeguard software to test the drives. Look at the SMART stats too, since the vendors often will pass disks that I personally wouldn't use.
Ok, that may be something to look into. After reading about power bricks failing this just might explain why my PC also from time to time has lost the connection with the NAS and hence I have been forced to do a re-boot? If I understand correctly, with power brick you essentially refer to the power supply with it's adapter, right?
ManneD wrote:
with power brick you essentially refer to the power supply with it's adapter, right?
Yes.
Thanks! However, it does not seem to be the power supply. With another one it was all the same to start with. Tried OS reinstall again but it would not re boot. After reading more here on the KB I have also realized that I have a v1 and not v2 device...
https://community.netgear.com/t5/New-to-ReadyNAS/ReadyNas-Duo-RND2000-V2-All-leds-flashing-can-t-boot-or-reset/td-p/1040523I continued by analyzing the disks separately using WD Data Lifeguard Diagnostic software and there Disk 2 was ok, but Disk 1 was not even found by the tool, so I guess there acually is a problem with that disk.
So, re-booted with only Disk 2 in tray 2, now the LED for tray 1 flashes in yellow (and is not just grey) indicating that there is a problem with that disk. I had expected grey for "Not present". In RAIDiator FrontView it still says that the system has two disks on volume C: which confuses me.
I am worried putting a new disk in tray 1 could make that one to break to, but that is maybe not likely?
Any ideas? I am also starting to think maybe it would be better just to forget about this device and get a new better one? This one has done nothing but working badly for me.
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