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Forum Discussion
Microtic
Nov 23, 2021Follower
RN212 Maximum Storage Issue
Is the 24TB capacity as stated here a hard limit? https://www.netgear.com/business/wired/storage/rn21200/
I purchased two 14TB drives as the drive compatibility page listed them as compatible on https://kb.netgear.com/20641/ReadyNAS-Hard-Disk-Compatibility-List
When I insert the first 14TB drive the RAID 1 (RAID-X) array rebuilds sucessfully. But when I put the second one in it fails nearly immediately. Moving the drive to Windows I see that it created all the partitions, but didn't sync data. I get "Volume is inactive or dead".
A disk test fails immediately on the 2nd drive. I tried to format it and reboot to initate the rebuild / expand but it does not seem to do anything.
I thought the 24TB limit would be for JBOD / RAID 0, but am worried that it may be total disk space.
Some log notes I found:
Oct 28 03:10:28 netgear-nas rn-expand[1998]: Trying auto-extend (grow onto additional disks)
Oct 28 03:10:28 netgear-nas rn-expand[1998]: Trying xraid-expand (tiered expansion)
Oct 28 03:10:29 netgear-nas readynasd[1998]: There should not be an existing '/data' file or directory.
Oct 28 03:03:42 netgear-nas kernel: md/raid1:md0: Disk failure on sdb1, disabling device.
I tested the drive with HD Sentinel and ran a long surface write / verify which succeeded both before and after the issue. So the drive does not seem to be at fault.
Any help very much appreciated. <3
1 Reply
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- StephenBGuru - Experienced User
Microtic wrote:
Is the 24TB capacity as stated here a hard limit? https://www.netgear.com/business/wired/storage/rn21200/
No, there is no hard limit. 12 TB was just the largest available drive when that web page was published.
Microtic wrote:
When I insert the first 14TB drive the RAID 1 (RAID-X) array rebuilds sucessfully. But when I put the second one in it fails nearly immediately. Moving the drive to Windows I see that it created all the partitions, but didn't sync data. I get "Volume is inactive or dead".
A disk test fails immediately on the 2nd drive. I tried to format it and reboot to initate the rebuild / expand but it does not seem to do anything.
I tested the drive with HD Sentinel and ran a long surface write / verify which succeeded both before and after the issue. So the drive does not seem to be at fault.
This is curious - the "There should not be an existing '/data' file or directory" error isn't one I've seen before.
I suggest confirming that the NAS boots up normally with drive 1 in bay 2. If it does, then perhaps run the disk test from the volume settings wheel. After that perhaps try doing a factory install with disk 2 in bay 1 and see if that works.
Is this a used NAS?
What model drives are you using?
What firmware is the NAS running?
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