[lug] partitions restore

[Ferdinand P. Schmid]

If you choose to use a professional service then make sure they know what
they are doing and check their references thoroughly.  We sent a disk to
Total Recall in Colorado Springs and except for a bill of around $3000 we
didn't get anything useful back.  Our disk was NTFS and a $45 utility from
Executive Software was able to restore the disk entirely!  So use caution
when buying disk recovery services!

Ferdinand

rm at mamma.varadinet.de wrote:

> On Thu, Dec 07, 2000 at 11:20:38PM -0700, Tkil wrote:
> >
> > if you actually wrote a new partition table, you're probably mostly
> > hosed; the value of the old ones aren't saved anywhere.  if you've
> > written new partitions, then formatted or wrote to the new partitions
> > in any way, you're even more likely to be totally out of luck.
>
> Yes, i'm afraid that's true. If this is _really_ important data than
> you could start hacking on the device level--here it would help
> if you remember the sequence/type of your partitions (i.e. hda1=ext2,
> hda2=swap, hda3=ext2 etc.). Most filesystems do have one or more
> superblocks that store information about the partition/filesystem.
> The trick here is to read that info (i.e. size of the first partition)
> and than jump to the first block after that partition and do the same
> for the next partition etc. (mount the device ro and save data/partitons
> to a scratch disk). You might consider consulting a profesional service,
> but be warned: their price can be painfully high (i speak out of ex-
> perience here :-(
>
> Ralf
>
> > on the other hand, if you're just looking for specific data, you can
> > use `dd' off the raw disk and grep for the bits of data that are
> > important to you.
> >
> > t.
> >
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--
Ferdinand Schmid
Architectural Energy Corporation
http://www.archenergy.com
(303) 444-4149