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Disk I/O Error then Data and Parity Disk - Failed

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(@rmoose)
Posts: 2
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Topic starter
 

I have a new OWC Thunderbay 4 enclosure with 4 - 8TB drives installed. Before I put the array in service, I certified each disk. Everything ran great until last week when I noticed one drive had 2 I/O errors. I verified the disk, and it had no errors. I cleared the I/O error counter, and then the disk showed "data and parity disk - failed." I then selected the volume and chose to validate. Upon completion, no errors were identified. The volume was not mounted, so I tried to mount it, but it would not mount. It just displays mounting blinking for a bit and returns to unmounted. How do I fix this issue?

 
Posted : 25/11/2024 1:54 pm
(@softraid-support)
Posts: 9200
Member Admin
 

Please attach a SoftRAID tech support file.

DId the volume ever mount?

 
Posted : 25/11/2024 6:26 pm
(@rmoose)
Posts: 2
New Member
Topic starter
 

@softraid-support Yes. I had to use Disk Warrior to rebuild the directory, and then it mounted. I'm validating the volume now, and I expect it should be back to normal operating conditions.

 
Posted : 26/11/2024 10:25 am
(@softraid-support)
Posts: 9200
Member Admin
 

@rmoose 

Disk Warrior is your friend on HFS volumes. I hope they get an APFS version released one day!

 
Posted : 26/11/2024 2:21 pm
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