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SOS code on ReadyNAS Duo RND2000 V2
I've been trying to post in this forum but it's been impossible from start to finish. First the country selector on the register page doesn't work. Then I couldn't post a topic because a small empty ...
Here's an old thread on the pattern.
According to this, you have "bad contents on root partition of disks"
and, you have a Readynas Duo V1 not V2. Note it doesn't say V2 on the front panel.
saudade wrote:
you have a Readynas Duo V1 not V2. Note it doesn't say V2 on the front panel.
Correct. user8273487 has the original Duo that runs 4.1.x firmware
Note that when you booted up diskless you should have seen a slightly different pattern - two slow blinks instead of three.
LED blink behavior for 2 disk systems is three quick blinks of all disk LEDs and the backup LED, followed by an 1s delay, followed by a number of slow blinks. The number of slow blinks will be the error code. Current error codes: 1 - Vendor mismatch 2 - No disks detected 3 - Bad contents on root partition of disks 4 - Flash error 5 - Unsupported RAID configurationThere are a couple of causes here, but the most likely is a failed disk. The system normally boots from disk 1. So maybe try removing that disk and booting with only disk 2 installed (keeping it in slot 2) and see if that makes any difference.
You can also try testing the two disks in a Windows PC using vendor tools. (WD's dashboard software for Western Digital, Seagate's Seatools software for Seagate).
Best options for replacement are the 2 TB WD Red Plus or the 2 TB Seagate Ironwolf. Avoid the WD Red models - these are SMR, which don't work well with NAS. Also avoid desktop drives - almost all of them in this size range are also SMR.
Do yo have data you need to off-load?
Thanks for the information. So 3 slow blinks = "Bad contents on root partition of disks", but it does it even without disks being present.
What I would like to ask is, what format does it want the disks to be in for a new installation? Bad contents on root partition suggests that it wants a root partition, but I'm not sure how to create one of those or how to set up the drives for its needs.
P.s. The nas says "RND2000 v2" on the back, that's why I put it down as a v2. It also says "NGR-RND2000 (B)" and "272-10635-02".
The link posted above says "test the disks with vendor tools." , which tools?
Did you try booting up the NAS without disk 1 (keeping slot 2 empty). It's possible that the root partition on disk 2 is ok (the NAS normally will try to boot from disk 1).
Do you have a backup of the data on the NAS? If not, you need to off-load (recover) anything you care about before proceding further.
user8273487 wrote:
The link posted above says "test the disks with vendor tools." , which tools?
I posted them above -WD's dashboard software for Western Digital, Seagate's Seatools software for Seagate
user8273487 wrote:
So 3 slow blinks = "Bad contents on root partition of disks", but it does it even without disks being present.
Are you sure it isn't doing 2 slow blinks without the disks???
user8273487 wrote:
The nas says "RND2000 v2" on the back, that's why I put it down as a v2.
The labeling is quite confusing - I think if Netgear had a do-over they would have branded both the Duo v2 and the NV+ v2 differently.
user8273487 wrote:
What I would like to ask is, what format does it want the disks to be in for a new installation?
The NAS needs to format the disks, and it will create the root partition and install linux and the NAS application software on it. You can either boot up with formatted disks or you can do a factory default using the boot menu. Pages 15-16 here give you more info on the boot menu options:
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