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ipb_uk's avatar
ipb_uk
Aspirant
Nov 15, 2016

Missing volume, dead disk.

Hello,

 

Disk 6 on my RNDP6000 has been detecting increasing pending sector counts. I’ve ordered and received a new disk.

Now for some reason it reported disk 4 dead. I’ve shut it down and pulled the disks out and checked and they are OK. I’ve put them back in and turned the box back on and it reported a new disk in bay 4 (it isn’t, it’s the same disk!), which it checked and started a resync, this seems to have failed with disk 6 being reported dead. And now it says there are no volumes.

 

RNDP6000 - 4.2.30

 

What to do next?

 

Thanks very much.

Ipb

31 Replies

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  • I assume you were set up with xraid single redundancy or raid 5, and it also sounds like you have no backup?

    If you have no backup and you need to try to retrieve the data, your best option would be to contact Netgear support and ask for data recovery, this will cost money.

    It does not look good though.

     

     

    • JennC's avatar
      JennC
      NETGEAR Employee Retired

      Hello ipb_uk,

       

      You have mentioned that you have shut down and pulled the disks out, you need to be careful when doing this as it will break the RAID causing data loss when you improperly inserted the disks and booting up the NAS. It is best to label them so you are sure you are inserting the disks back to their respective bays before starting up the NAS.

       

      There is a possibility that there are more than one disk that had problems.

       

      Have you checked if you were able to get to the files after you removed disk 6 and before replacing it? It does not look good like what vandermerwe said. You may need to avail data recovery service.

       

      Welcome to the community!

       

      Regards,

      • ipb_uk's avatar
        ipb_uk
        Aspirant

        Hello,

         

        I’ve been here before mdgm help me out that time. I couldn’t find my login details, requested a password on my email account.

         

        The disk are labelled 1 to 6, been there and got the t-shirt.

         

        Yes it’s xraid single. It’s ALL backed-up on dvd’s.

         

        I took the disks out when the system was off, tested them, then put ‘em back in and turned it on. Then a resync failed, but I could get to my files and after a reboot, no volumes.

         

        I think I got unlucky somewhere.

         

        If I’ve got to bite the bullet here, then I’ll have too.

         

        Regards

         

        Ian