simple upgrade of RDN4000 V3

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havntaclue wrote:

 

But the question is...if anyone can help please - is there a simple way to take my 4 disks/data from this device into a new unit - or is it a full slow transfer even if working or not??

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No, there is not.  Current ReadyNAS platforms use different CPUs, different disk partitioning, and different file systems.

The closest you can come is to have Netgear support temporarily mount your current array, so you can copy off the data to a USB drive. https://kb.netgear.com/29876/ReadyNAS-Migrating-disks-from-RAIDiator-4-1-or-RAIDiator-5-3-to-ReadyNAS-OS-6

One particular risk you seem to be overlooking - the power surge might have damaged the disks, and not just the NAS PSU.  Hopefully that is not the case.  But if you can connect the disks to a Windows PC (either sata or usb adapter/dock), you should probably start by testing them (ideally with vendor tools - Seatools for Seagate, Lifeguard for Western Digital).  Label the disks by slot number as you remove them.

Other options: 

• Connect all 4 disks to a PC (windows or mac) using SATA or USB adapter/docks, and recover the data with RAID recovery software: https://www.r-studio.com/
• Connect all 4 disks to a linux PC (or use a linux live boot), and use Linux commands to mount the array.  This assumes you are comfortable with linux.

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havntaclue wrote:

 brought new power supply cannot get back into the unit/Frontview at the moment now though.

 

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1. Your NV+ uses a non-standard pin-out from the power supply.  Did you purchase one that has this modification already made?  If not, did you make it yourself?
2. Are you seeing normal indications on the LCD panel when you power up the NAS?  If not, what are you seeing?

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havntaclue wrote:

If not i was looking at sourcing a like for like unit and loading my backup into that and then putting the disks into the new host (once tested as live) - Assumming everything will run as was in the new unit without formatting my data ??? 

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It is possible to purchase a used NV+ and migrate the disks.  Some caveats:

• Any compatible NAS you purchase will be at least 9 years old (likely older)
• Several users here have purchased used NAS that in fact didn't work.
• It is easy to purchase an incompatible ReadyNAS.  You need to be careful to get one that says "ReadyNAS NV+" on the front panel.  Not "NV+ v2" or something else.

If you go this route, start by installing a spare disk (not part of the array).  Make sure the NAS works.  Then install the firmware version that was on your old NAS.   If you don't know what that is, then install 4.1.16.  After that, power down the NAS and migrate the disks (preserving the slot order).

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havntaclue wrote:

but always been worried about the risks, time, effort in learning and loading a new unit - are there quicker ways??

 

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I think you were focused on the wrong risks.  The big risk was (and is) data loss. You have an old NAS, and apparently no backup of the files on it.  

Hopefully you will be able to get the data back.  One takeaway here - RAID isn't enough to keep your data safe.  You need to have a backup on at least one another device.  Ideally at least two backups (one local and one off-site).