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I'm running XP pro on VMware - it mounts and runs just fine.

However, if I power down the VM and try to copy it, or even if I try to do a simple Mac Backup (using Carbon Copy Cloner), I get an i/o error at one very specific VMDK file.

Here's a sample of the error - this from CCC:

"12/20 22:49:30 Detected input/output error 12/20 22:49:33 rsync: read errors mapping "/Users/blahblah/Documents/Virtual Machines.localized/WindowsXP-Professional150G.vmwarevm/WindowsXP-Professional150G-000001-s065.vmdk": Input/output error (5)"

How can I regain my ability to do backups of my Mac without this I/O error?

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Note: I can't find the file named ...000001-s065.vmdk in Finder, even when I use Show/HideFiles to show the system files. – Maya-G Dec 21 '10 at 6:08
FWIW, Disk Utility says "appears to be Ok" (finds no errors). I know, Disk Utility doesn't look for bad blocks. – Maya-G Dec 21 '10 at 6:18
More info FWIW - Disk Identifier : disk0s2 Mount Point : / System Name : Mac OS X System Version : 10.6.5 System Build : 10H574 File System : Mac OS Extended (Journaled) Connection Bus : SATA – Maya-G Dec 21 '10 at 6:31
I was able to see the file in the folder contents list using Firefox. However when I clicked on the file (download) it said, "cannot read". So I can't copy it to fix it. – Maya-G Dec 21 '10 at 6:55
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2 Answers

up vote 1 down vote

Input / Output errors are almost always a problem with the hardware. Generally, it means a corrupt sector on the hard disk, but could also be RAM, or the Logic Board. The best thing you can do is backup what you still can and replace the hard disk. Use DiskWarrior or TechTools to do a Surface Scan to verify the hard disk.

Disclaimer: I'm a VMware employee who works on Fusion.

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What do you mean by „logic board”? – kinokijuf Jan 21 at 14:45
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up vote 0 down vote

Check out the documentation link that CCC directs you to in regards to this error message:

What are "Input/output" errors, and how can I resolve them?

If you're still having trouble, drop us a line at help.bombich.com

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