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Old 06-20-2008, 01:23 PM   #1
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How to recover Data from LVM+ext3 partition ?


I have one PC installed CentOS 5.
By mistake I partitioned & formated the working Hard Drive which had ext3 on LVM.
Is there any possibility of recovering Data from that hardDrive?

Old 06-20-2008, 03:49 PM   #2
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I think it would be very difficult, given the LVM. I've usually just written off the data in that case; it's seemingly part of the tradeoff for the advantages of LVM. But if you were to try, I'd first copy the whole disk using dd from a boot CD. Don't mount it (no automounting), don't touch it, just make a copy first onto another drive. Experiment on the copy. If you remember the exact configuration of the old LVM partitons and volumes, it might just work to rewrite the partition in fstab and remake the LVM exactly as you did before without formatting. Or it might not. There some commercial utilities that might work to find files or directories. I've used R-Studio's tools with some success.

It may not helpful to say it, but unfortunately this is a learning experience: backup early and backup often. Don't run as root routinely and be careful what you type.
Old 06-20-2008, 04:17 PM   #3
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You might also find this helpful, if you get that far:
Old 06-20-2008, 04:54 PM   #4
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Try using testdisk, haven't used it with LVM but who knows...but know that since you overwritten the partition table AND formatted the disk, your chances of recovering anything is very low at this point.


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