You know you have a problem when.........

  Jollyjohn 15:20 20 Apr 2018
Locked

the senior Apple support guy goes "That's interesting, haven't seen that before!"

New iMac, about 14 months old, run out of disc space on the 1TB hard drive. I couldn't understand why as I knew the users didn't have a huge amount of data.

Booted from an external hard drive and ran omnidiskeeper - this showed under username - library - containers - mail - a log file of 888GB, yes 888GB for a log file. Tried deleting this file but it didn't delete. Moved some stuff and got 89GB available free space but iMac still wouldn't boot. Going back tomorrow to repair / reinstall OS having manually copied all user data.

Will post back results / further info about the creation of the log file when I get it.

  Jollyjohn 17:22 22 Apr 2018

Having double checked I had copied everything off the hard drive, we tried a re install of the OS - it failed. It rebooted, as part of the process, progress bar got to 90% but stopped, for more than 2 hours.

Going back tomorrow to Erase the drive and start again.

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