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Apple Computing Products:
macOS - Operating System
Time Machine problem
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<blockquote data-quote="Mason" data-source="post: 1204380" data-attributes="member: 176184"><p>Problem solved. </p><p></p><p>I tried the separate partition thing on my USB drive and it didn't work, the MacBook backups still worked but I was still getting the same error from the iMac.</p><p></p><p>It turns out that the error message was not in any way vague or generic but exactly right!</p><p></p><p>I decided to tackle the problem head on. In my day job as an Oracle DBA the best tool for finding problems are the Oracle log files and the Unix/Linux system log files. Looking into the log files on the iMac I found the following error during the backup;</p><p></p><p></p><p><span style="color: Blue">17/03/2011 14:05:23 com.apple.backupd[478] Error: (-41) SrcErr:NO Copying </span><span style="color: Red">/Users/nick/Documents/Line 6/Tones/GearBox/Preset/Gold Bundle/Bass Expansion/1968 Groove.l6t</span> <span style="color: blue">to /Volumes/MacData/Backups.backupdb/Nick's iMac/2011-03-17-125757.inProgress/1B339453-383A-4BB0-A598-12E8A3C8B3F6/Macintosh HD/Users/nick/Documents/Line 6/Tones/GearBox/Preset/Gold Bundle/Bass Expansion</span></p><p></p><p>The file in question is a config file for my Line6 POD XT Live, an effects pedal for my guitar. The whole of the Line6 directory can be deleted as it was installed as part of the Line6 software on my Windows 7 PC and came over to the iMac simply because I copied the Windows My Documents folder complete with all subfolders over to the iMac. This folder will no doubt be recreated when I get round to installing the Mac version of the Line6 software.</p><p></p><p>I returned the USB disk to a single partition and ran the iMac backup again, this time it worked perfectly. I then plugged the drive into the MacBook and that also backed up without any problems. No need for separate partitions.</p><p></p><p>As the error was also the same as when I tried to use my HP MediaVault Network storage device I thought it likely that I'd fixed that issue too. I pointed Time Machine at the MediaVault and started another backup which was also successful.</p><p></p><p>Thanks to chscag for the help and pointers.</p><p></p><p>My next job today is to get the MacBook backing up wirelessly to the MediaVault rather than the external USB disk which can then be used as portable storage again.</p><p></p><p>For anyone interested in seeing exactly what their Mac is doing the log files can be accessed via the Console. To access it type console into Spotlight.</p></blockquote><p></p>
[QUOTE="Mason, post: 1204380, member: 176184"] Problem solved. I tried the separate partition thing on my USB drive and it didn't work, the MacBook backups still worked but I was still getting the same error from the iMac. It turns out that the error message was not in any way vague or generic but exactly right! I decided to tackle the problem head on. In my day job as an Oracle DBA the best tool for finding problems are the Oracle log files and the Unix/Linux system log files. Looking into the log files on the iMac I found the following error during the backup; [COLOR="Blue"]17/03/2011 14:05:23 com.apple.backupd[478] Error: (-41) SrcErr:NO Copying [/COLOR][COLOR="Red"]/Users/nick/Documents/Line 6/Tones/GearBox/Preset/Gold Bundle/Bass Expansion/1968 Groove.l6t[/COLOR] [COLOR="blue"]to /Volumes/MacData/Backups.backupdb/Nick's iMac/2011-03-17-125757.inProgress/1B339453-383A-4BB0-A598-12E8A3C8B3F6/Macintosh HD/Users/nick/Documents/Line 6/Tones/GearBox/Preset/Gold Bundle/Bass Expansion[/COLOR] The file in question is a config file for my Line6 POD XT Live, an effects pedal for my guitar. The whole of the Line6 directory can be deleted as it was installed as part of the Line6 software on my Windows 7 PC and came over to the iMac simply because I copied the Windows My Documents folder complete with all subfolders over to the iMac. This folder will no doubt be recreated when I get round to installing the Mac version of the Line6 software. I returned the USB disk to a single partition and ran the iMac backup again, this time it worked perfectly. I then plugged the drive into the MacBook and that also backed up without any problems. No need for separate partitions. As the error was also the same as when I tried to use my HP MediaVault Network storage device I thought it likely that I'd fixed that issue too. I pointed Time Machine at the MediaVault and started another backup which was also successful. Thanks to chscag for the help and pointers. My next job today is to get the MacBook backing up wirelessly to the MediaVault rather than the external USB disk which can then be used as portable storage again. For anyone interested in seeing exactly what their Mac is doing the log files can be accessed via the Console. To access it type console into Spotlight. [/QUOTE]
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