Thursday, April 6, 2017

Migrating Readynas Radiator to OS 6 Readynas devices


One challenge in migrating from Sparc architecture products, to Intel or other (Arm), is that the Linux file system on sparc was built with a 4k block size, rather than 512.

On Intel linux, if you set up your disks, you can mount them with some incantations and special procedures.  Not sure how the Readynas Linux handles that problem, but there is a link showing it.

I had a bad disk and some problems with the data recovery firmware on a REadynas NV+ some years ago and got the support group to help me get around it.  In the mean time, I had mounted the 4 drives on an Intel linux system I'd built up and had recovered most of the data.

https://kb.netgear.com/29875/ReadyNAS-Migrating-disks-from-RAIDiator-to-OS-6?cid=wmt_netgear_organic

Copy of article for archival:

This articles outlines the necessary steps to access data on disks from ReadyNAS units running RAIDiator on ReadyNAS OS 6 units.
Due to differences in CPU architecture and operating system between RAIDiator and ReadyNAS OS 6, it may be necessary to take additional steps once the disks are moved to an OS 6 chassis.
If your ReadyNAS running RAIDiator is still functional, and you can access the data, we recommended you first backup the data to another location
http://kb.netgear.com/app/answers/detail/a_id/21344
If you can no longer access the data using your legacy ReadyNAS and you wish to access the data using your ReadyNAS OS 6 device, booting may not be as easy. Depending on which legacy model the disks come from, and which ReadyNAS OS 6 you posses the steps differ to make the data accessible.
After initially moving the disks from the legacy ReadyNAS to the ReadyNAS OS 6 model please be aware of the following items;
  • Do not attempt an OS reinstall
  • Do not attemp a factory reset
  • The RAID must be healthy i.e. if the RAID was broken on the legacy NAS it will not always be possible to access the data on the ReadyNAS OS 6 - an example of this would be 2 failed disks in a 4 disk RAID 5.
  • ReadyNAS OS 6 model must have at least the same amount of drive bays as the legacy ReadyNAS
  • Logging a ticket with Technical Support may be required
  • Purchasing a data recovery contract may be required
  • You may require one additional spare blank disk
  • You may require an external location to where you can recover your data to i.e. external USB HD, network share, other NAS storage.
To find the steps needed to access the data on your ReadyNAS OS 6 device, find your model below:
  • ReadyNAS OS 6
    • ARM
      • ReadyNAS 100 series (RN102, RN104)
      • ReadyNAS 200 series (RN202, RN204)
      • ReadyNAS 210 series (RN212, RN214)
      • ReadyNAS 2120 (RN2120)
    • x86
      • ReadyNAS 300 series (RN312, RN314, RN316)
      • ReadyNAS 500 series (RN516)
      • ReadyNAS 700 series (RN716X)
      • ReadyNAS 3130 (RN3130)
      • ReadyNAS 3138 (RN3138)
      • ReadyNAS 3220 (RN3220)
      • ReadyNAS 4220 (RN4220)
Find the model of your Legacy ReadyNAS running RAIDiator, click on the link and follow the instructions. X represents whether or not your model came with disks.



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