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Forum Discussion
Replacing failed 3TB disk in ReadyNAS Ultra 6 with 4 TB disk
My ReadyNAS Ultra 6 has a "degraded" volume due to one of the 6 x 3TB drives failing. The drives are all WD Red 3TB (WD Red WD30EFRX)
What would be the largest drive I can replace the failed drive with given I would like to max out the NAS over time.
The drive I am considering is a WD Red Plus WD40EFPX
The unit is running firmware 6.10.8
Thanks
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jimot wrote:
The drives are all WD Red 3TB (WD Red WD30EFRX)
What would be the largest drive I can replace the failed drive with given I would like to max out the NAS over time.
The unit is running firmware 6.10.8
There is no known disk size limit for OS-6, so no way to "max it out". You could go with a 22 TB Red Pro if you wanted to
jimot wrote:
The drive I am considering is a WD Red Plus WD40EFPX
I'd go larger - larger disks usually are more cost effective per TB. Costs per TB start to flatten out at about 10 TB. So maybe a 10 TB Red Plus or Seagate Ironwolf. You can mix Ironwolf and Red Plus, I've done that on several NAS with no problem. Generally I buy whichever is cheaper.
Unfortunately, on powering up the NAS today with the intent of removing the failed drive (in slot 4) and letting the system resync, I was presented with a frightening picture under System/Volumes with every drive showing failed. A couple of reboots and everything seemed to come back to where it was yesterday EXCEPT the failed drive was showing in another slot (3). One more reboot and now I've lost everything i.e. 13.62 TB free of 13.62 TB and the system is resyncing having marked disk 3 as Failed.
I think, given the age of the system, I'll order 6 new drives and start again!
jimot wrote:
Unfortunately, on powering up the NAS today with the intent of removing the failed drive (in slot 4) and letting the system resync, I was presented with a frightening picture under System/Volumes with every drive showing failed
Did it show the drives as having failed? Or did it show an inactive volume?
jimot wrote:
One more reboot and now I've lost everything i.e. 13.62 TB free of 13.62 TB and the system is resyncing having marked disk 3 as Failed.
This is unusual - if you like, you can send me a PM with the download link to the full log zip, and I can take a look. The system wouldn't normally delete a volume and recreate it, and it can't resync an existing single-redundancy volume with a failed disk.
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