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Dead ReadyNAS Duo RND2150-100NAS with OK disk 2, What other ReadyNAS devices can read this disk?
My ReadyNAS Duo RND2150-100NAS died (fan goes on, no lights, won't turn off), along with the circuit boards of both disks in the raid (power surge?). I was able to swap the circuit board (and origina...
crystalbrittle wrote:
Just to clarify, here's my understanding of what you are saying:
The important compatibility issue for reading disks on these systems is the platform (sparc vs arm).
And so the sparc-based (v1) Duo models as well as the sparc-based (v1) NV+ and NV models will work.
Correct.
One other detail - if the replacement NAS is running a different firmware version, the system will attempt to either upgrade or downgrade the OS on the disk to match. Upgrades should be fine, but it's best to avoid downgrades. The way to handle this is to first do a test install useing a spare disk. Then either install the firmware version you were running on the original, or alternatively install 4.1.16 (latest and final firmware for sparc systems).
While you are at it, make sure that the system boots with the test disk in every bay (powering down, moving the disk, powering up). Best to make sure the replacement system functions correctly with a test disk before you trust it.
crystalbrittle wrote:
And I should be able to rebuild my raid by inserting the mirror disk along with a new replacement disk (of the same model) in the other bay.
Start by inserting just the mirror disk (maybe in slot 2 just to keep the ordering straight). Then see if the system boots.
No need to match the disk model. The HCL is no longer a useful guide - I suggest getting either a WD Red Plus disk or an Ironwolf disk. Avoid the WD Red models - they are SMR (as are many desktop drives). Not great choices for RAID, and sustained write performance with SMR can be very slow.
The sparc systems have a max disk size limit of 2 TB.
When buying a used Duo, many will incorrectly label them, so be careful. If there isn't a picture of the front that shows for sure the V1/V2 differentiation StephenB mentioned, the size of the fan is a good method. The fan on the V1 looks like yours does while the V2 has one that's larger, with it's diameter the full width of the NAS. The V1 also has the recessed power connector, where the V2 does not.
Thank you, these are two more very helpful clues.
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