Friday, September 30, 2022
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onerous drive – Restoration mode first assist fails with “useful resource busy” on APFS partition


My iMac 2012 with 1TB Fusion drive is giving me a variety of hassle. It hangs eternally when booting up. So with the assistance of an exterior bootable USB (Catalina 10.15.7) I managed as well into restoration mode and begin disk utility. Sadly it says:

Repairing file system 
Quantity was efficiently unmounted
Performing fsck_apfs -y -x /dev/rdisk5s5
error: machine /dev/rdisk5 didn't open with error: useful resource busy
File System examine exit code is 66.
restoring the unique state discovered as mounted
Drawback -69842 occurred whereas restoring the unique mount state
File system confirm or restore failed. : (-69845)

Operation failed

Afterwards the Quantity Macintosh HD is proven gray and can’t be activated anymore.

I attempted to repeat some recordsdata from the disk to my exterior USB drive (HFS, journaled, case delicate). This appeared to work nonetheless all of the goal recordsdata have been empty. Working in verbose mode cp -npRv was complaining “machine not configured”. Is there something I can do or attempt to make first assist run efficiently and/or copy my recordsdata from this difficult disk to my exterior USB drive?

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