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Issues moving a 6 disk XRAID set from a deceased Ultra 6 to an RNDP6350
Good day to all,
First a little background...
I have a ReadyNAS Ultra 6 that has been my backup platform to my production NAS (at home) for about 2 years. Recently it crapped out and I determined that it was a hardware issue that could only be repaired by replacing a damaged hard disk back plane board. Since these are almost impossible to source out I decided to get obtain a disk-less RNDP6350 to replace it and, hopefully, recover the 20TB of data sitting on the disks. I purchased one with a bad PS on the cheap off fleabay and replaced the bad power supply with new one. That PS swap out went swimmingly, other than knocking off a small heat sink that I put back on with some silver thermal paste, so I now have a live box. <<< (Special thanks to Sandshark here for providing some really great input to make this easier). Here's where I'm having some issues...
I'm not sure what I should do next to recover the RAID set or if I even can. I put a single new disk in the box and powered it up. It posts fine but when it comes to the part where the box starts to boot I get the message below:
ERR: could no mount root RAID d
While I'm a newbie with the ReadyNAS I suspect that the box might need the original disks that were in it previously to get past this error. Of course that's not possible and I'm sure what is needed is to restore the box to factory default settings. What I'm not sure of is how I do that without risking losing the 6 disk XRAID set I'm trying to recover. Setting to factory defaults wipes out the config and results in the loss of the raid set as well as the data. Indeed, I'm not even sure this is possible and have no clue what the process should be for such a 'migration', so I'm reaching out to the wonderful people here to see if anyone can offer some guidance from their knowledge and experience.
Thanks in advance!
There is nothing stored in the NAS itself regarding any configuration. All of that is on the drives, so moves with your volume.
You should boot the NAS with a scratch drive and see what OS it's running. If it's 4.2.x, I suspect it is, then you'll need to upgrade to 6.0 using that scratch drive (if I recall your PM correctly and you were running OS6 in the Ultra).
Before you do the conversion, you should upgrade the memory to at least 2GB (the memory from your Ultra6 is compatible) and back up the VPD file (see Backup-and-restore-of-VPD-file-for-legacy-ReadyNAS-running-OS6).
18 Replies
taceto12 wrote:
It posts fine but when it comes to the part where the box starts to boot I get the message below:
ERR: could no mount root RAID d
Was this disk formatted in another device?
If this is a test disk, then you should try a factory default. Instructions are on pages 28-29 here:
taceto12 wrote:
I have a ReadyNAS Ultra 6 that has been my backup platform to my production NAS (at home) for about 2 years. Recently it crapped out and I determined that it was a hardware issue that could only be repaired by replacing a damaged hard disk back plane board. Since these are almost impossible to source out I decided to get obtain a disk-less RNDP6350 to replace it
I am thinking the Ultra was converted to OS-6 - is that the case? Do you know if the Pro-6 is running OS-4? Or was it also converted to OS-6?
Thank for your response. I suspect that a factory reset will be necessary to clear the old configuration data and clear the error, and I have disks I can use for a test disk. What I'm concerned about is if I can ultimately install the 6 disk RAID set from the damaged Ultra 6 into the RNDP6350 and regain access to the data on it and, if so, how to do that successfully.
There is nothing stored in the NAS itself regarding any configuration. All of that is on the drives, so moves with your volume.
You should boot the NAS with a scratch drive and see what OS it's running. If it's 4.2.x, I suspect it is, then you'll need to upgrade to 6.0 using that scratch drive (if I recall your PM correctly and you were running OS6 in the Ultra).
Before you do the conversion, you should upgrade the memory to at least 2GB (the memory from your Ultra6 is compatible) and back up the VPD file (see Backup-and-restore-of-VPD-file-for-legacy-ReadyNAS-running-OS6).
Yup, the Ultra 6 was running 6.10.10, No idea what the 6350 is running because I can't get it to come up clean...yet! 🙂
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