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Hi David,
Finally got around to trying this hack today. It didn't work, the log file says:
diskutil <verb> with no options will provide help on that verb
I think it has to be 'diskutil unmount force' rather 'diskutil force unmount'. So I edited the transcript again and reran the backup. This time it got a little further before stopping, the log file says:
|11:03:39 AM|Info| ...ACTION: Erase Home_backup
|11:03:39 AM|Info| ......COMMAND => Erasing Home_backup
|11:03:41 AM|Info| Disk Utility Tool ?2002-2003, Apple Computer, Inc.
|11:03:41 AM|Info| Usage: diskutil [mount(Disk)|unmount(Disk)|eject] <force>
|11:03:41 AM|Info| [Mount Point|Disk Identifier|Device Node]
|11:03:41 AM|Info| Mount, unmount or eject disks or volumes.
|11:03:41 AM|Info| force is only valid on unmount or unmountDisk.
|11:03:41 AM|Info| Example: diskutil unmount /Volumes/SomeDisk
|11:03:42 AM|Info| Volume /dev/disk1s5 mounted
|11:03:46 AM|Info| Could not erase Home_backup .
|11:03:46 AM|Error| ****FAILED****: result=512 errno=1 (Operation not permitted)
So there is still a syntax issue I guess. Does it have to use the 'unmountDisk' option rather than 'unmount'?
Regards,
Keith
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