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TabascoMan Author

Level 1

29 points

Mirrored RAID Rebuild at "0.0%"...

Hello...

I just replaced a failed disk in my RAID set with a brand-new disk (8TB Seagate External - exact same model as the one I already have). I added it to my set (it was "successful" according to MacOS High Sierra) but the "Rebuilding" has been stuck at "0.0%". After a few minutes, my Mac freaks out and completely restarts on its own. When it fully boots, my Mac marks the newly-added disk as "FAILED" in my RAID set. I have no idea why this keeps happening. It's just a loop I am in that I cannot get out of. Is there anyone who might be able to help me out?

Mac mini, macOS 10.12

Posted on Apr 23, 2020 11:49 PM

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13 replies

TabascoMan Author

Level 1

29 points

Apr 24, 2020 4:59 PM in response to TabascoMan

The only one I can see that may or may not pertain to this is:

ENGroupID initWithDataRepresentation - wrong data size -- Failed {data: null}}

But I have no idea if this has anything to do with my problem.

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TabascoMan Author

Level 1

29 points

Apr 24, 2020 5:39 PM in response to BDAqua

I don't see anything that would be it. Others are Unknown Display and the rest are basically Failed Entitlement Check errors which I know has nothing to do with it.

Meanwhile, it's still sitting at "0.7%" and it's been nearly 24 hours.

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TabascoMan Author

Level 1

29 points

Apr 25, 2020 2:02 PM in response to TabascoMan

It's risen to 22 percent and has been slowly growing. I'm considering the matter closed for now. I'll just wait the week.

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Level 10

245,489 points

Apr 24, 2020 5:21 PM in response to TabascoMan

Hmmmm, looks like that one isn't likely it.

https://developer.apple.com/documentation/appkit/nsimage/1519941-initwithdata

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Level 10

245,489 points

Apr 24, 2020 10:40 AM in response to TabascoMan

Did you format the new drive?

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TabascoMan Author

Level 1

29 points

Apr 24, 2020 12:40 PM in response to BDAqua

Yes. Drive has been formatted the same as the one it’s mirroring. Tried again last night but it’s only at 0.7% after nearly 12 hours.

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Level 10

245,489 points

Apr 24, 2020 2:36 PM in response to TabascoMan

Open Console in Utilities & see if we can garner any clues.

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TabascoMan Author

Level 1

29 points

Apr 24, 2020 3:58 PM in response to BDAqua

All right. Console is up. What am I looking for?

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Level 10

245,489 points

Apr 24, 2020 4:33 PM in response to TabascoMan

Any lines that say failed or such?

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TabascoMan Author

Level 1

29 points

Apr 24, 2020 4:40 PM in response to BDAqua

I've probably got about 100+ lines with that word but I'm not sure if any of these pertain to the drive in question. What exactly am I looking for?

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TabascoMan Author

Level 1

29 points

Apr 24, 2020 7:12 PM in response to TabascoMan

Any other ideas? I am still sitting at "Rebuilding 0.7%".

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TabascoMan Author

Level 1

29 points

Apr 24, 2020 7:40 PM in response to BDAqua

It's moved up to "11.4%". I am guessing I should just let it run its course. I'm estimating it's going to take a week to rebuild the whole 1.6 TB's.

Thoughts?

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Level 10

245,489 points

Apr 25, 2020 5:01 PM in response to TabascoMan

Great to hear! :)

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Mirrored RAID Rebuild at "0.0%"...

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