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ReadyNAS Ultra 4 - Total capacity does not add up
Hello, I have a Netgear ReadyNAS Ultra 4. Initially, I had two 2 TB HDs that resulted to a capacity of around 1.8 TiB. I then expanded it with two 4 TB HDs. Based on http://rdconfigurator.netg...
eyl4j wrote:
In particular, I find the information for Ch3 and Ch4 very puzzling... especially since, the RAIDar on my PC shows these channels as being 3726 GB, not 1678 GB with 1858 allocated (!?) as per the web interface.I find it puzzling also; it isn't adding up as it should. And I agree that the volume size with that disk configuration should be ~7.25 TiB. What firmware are you running?
Perhaps reboot the NAS once or twice, and see if it starts expanding.
If that fails, you might try removing one of the 4 TB disks and reinserting it with the NAS running. If seems to get you the proper disk size, then (after resync) do the same with the other 4 TB disk.
I suggest making a full backup before you remove/reinsert disks, as something is definitely wrong.
The firmware was 4.2.12 and I have now upgraded it to 4.2.30. It looks like this took care of it... though the resync is just starting.
RAID Configuration
| Configuration: | RAID Level X-RAID2, 4 disks | |
| Status: | Resync 1% complete, Time to finish 9 hr 47 min, Speed 53.2 MB/sec |
RAID Disks:
 | |||||||
 |
| 1858 GB allocated | |||||
|
| 1858 GB allocated | |||||
|
| 3721 GB allocated | |||||
|
| 3721 GB allocated |
Thank you for the prompt answer.
Yes, that would be it. Support for disks larger than 2TB was added in 4.2.16.
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