Re: Can't erase backup

2011-02-11 Thread Peter Bull
Thanks Ronni and Neil, I shut down the Mac and after it restarted Disk Utility was able to repair the disk. So it is now backing up quite happily!! On 09/02/2011, at 2:51 PM, Neil Houghton wrote: Hi Peter, In the past, I have had drives get hung-up and refuse to unmount (generally, I

Re: Can't erase backup

2011-02-11 Thread Ronda Brown
Hi Peter, Thanks for posting back that you were able to eventually “Repair the Backup Time Machine Drive’. Where you then able to delete the backup that you thought had a problem? Or was it just an incomplete backup that perhaps was stopped by you before it completed? The Error message you

Re: Can't erase backup

2011-02-08 Thread Peter Bull
Hi Ronni, I tried a couple of the things you suggested but kept getting a message that the disk could not be unmounted and so the Repair Disk could not be done. So I decided that erasing and reformatting the disk was the only option, but again it was not possible as it could not unmount the

Re: Can't erase backup

2011-02-08 Thread Neil Houghton
Hi Peter, In the past, I have had drives get hung-up and refuse to unmount (generally, I think, when OSX thought the drive was in use - but I couldn't find out what was supposed to be using it). In this case, I have found that shutting down the computer seems to put everything to bed and the

Can't erase backup

2011-02-07 Thread Peter Bull
I have an external hard drive for backups and I think there is a problem with a backup of a USB drive. I tried to delete so I could do another backup but I get an error message -50 which the Apple website translates as -50 paramErr Error in user parameter list. Time Machine also informs me

Re: Can't erase backup

2011-02-07 Thread Ronda Brown
On 07/02/2011, at 6:48 PM, Peter Bull wrote: I have an external hard drive for backups and I think there is a problem with a backup of a USB drive. I tried to delete so I could do another backup but I get an error message -50 which the Apple website translates as -50 paramErr Error in