FIles which can't be copied -- could they have a cyclic structure?
- From: "Cyril N. Alberga" <calberga@xxxxxxxxxxxxxxxx>
- Date: Fri, 03 Jun 2005 17:31:52 -0400
I had a hard drive failure, to the point of having to rebuild the boot sector and revert to the default SYSTEM.SYS, SOFTWARE.SYS, etc. I then tried copying my useful files over the network to another computer. Part way through the copy hung up, and when the machines were restarted CHKDSK ran (and I haven't been able to find the log on it). At that point I shut the XP machine down.
I ran out a bought a second hard drive and installed it.
First, I tried to clone the bad disk, using an Acronis rescue disk. That failed, after the estimated time reached 3 minutes it started slowly increasing. I left it running over night and in the morning it was showing 14 minutes to go, and was totally unresponsive.
I then installed XP on the new drive, switching the bad drive to SATA port 1.
My next try was Unstoppable Copy. This time, when it reached a particular directory, filled with .BMP files (all in the 8 to 12 MB range) it slowed to a stand-still. Even with "Auto-skip" checked it would take a couple of minutes on each file (actually, the first hundred or so files were fine, but after that things fell apart) before skipping it.
I then tried EasyRecovery Pro. It hung up on the same files.
As a final desperate measure I ran Norton Disk Doctor, which gave the file system a clean bill of health!
I also tried to copy one of the files from the COMMAND-box, and again, the copy never terminated. When id did a DIR the lengths were all reasonable. This is also true in Windows Explorer. You can look, but you can't touch. Or copy, or read, or move. I haven't tried to delete one, either.
So -- what could the matter be? It isn't a total disaster, as these are scans of items which I still have, but it will be a bother to recreate them. Has anyone encountered a similar situation? I don't know the structure of the NTFS file system, but if it were a FAT I would suspect a cycle in the chain of sectors. Could this be the case? If so, how could it be fixed?
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