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Poof! it's gone.

(Click here to view the original thread with full colors/images)



Posted by: TimTrace

Not sure how I did it...

It appears I restored a 39-hour HDVR2 3.1.1c image onto my FAT drive.

Precisely what I did:

Restored a 39-hour HDVR2 3.1.0 image onto a new 160GB drive.

Installed into the TiVo, let it come up to 3.1.1c.

MFSBACKUP from HDC (TiVo master) to a mounted folder on HDA (FAT32)

Power down, swap HDC for a 'test' drive.

MFSRESTORE from the mounted folder on HDA to HDC (the 'test' drive). Successful restore. Test several more times. One failure on the 2nd try, otherwise, cake.

Power down, swap HDC for the TiVo master.

MFSADD -x /dev/hdc

Reboot, try to mount the folder on HDA to check my work and..."You must specify the filesystem type."

Run MFSTOOL info /dev/hda - it's a 39-hour TiVo drive.

Reboot, run MFSTOOL info /dev/hda - it's a 39-hour TiVo drive.

Power down, pull HDC, run MFSTOOL info /dev/hda - it's a 39-hour TiVo drive.

WTH!!


1> Is there a hole in my logic? What went wrong? The only place I can think of is when I was running MFSRESTORE **BUT** since I was pulling the image from HDA, how could I that drive while it was hosting the image file? At no time did I 'dd' !!

2> Is there any way to restore the FAT32 FS, because there was some stuff on there that I'd hate to lose. Or is that absolutely fscked for all time?



Posted by: Robert S

Yes, you must've restored to /dev/hda at some point. Due to the way Unix works (no idea whether Windows would realise that something was going wrong and stop you), it's possible to do this. As the backup only writes to a fairly small part of the disk, it's possible to image the drive without destroying the backup before it's needed.

I'd be very surprised if you can get anything off the FAT partition on that drive now, though - the partition tables, etc are all gone now.



Posted by: TimTrace

Whew, I found another disk that was a complete backup. I'd forgotten that it existed.

So, the stress is gone.

Thanks for your explanation, Robert.

Now I'm going to start another thread with a similarly fun question.



Posted by: Richie107

I did the same thing and trashed my puters hard drive by writing linux boot to it.. didnt fix it without repartioning it and formatting it. im pullin my power to my windows hd next time and makin backup images on a ol 40gig sittin around.. once burned ,never again.. :)




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