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This seems like a good place to segue, on the heels of Sheridan's post about partition corruption. How
much
of a mess can you make, by the simple act of trying to clone a hard drive ? I may have just found out.
Having irretrievably (?) lost the two W2K partitions on my desktop system some months ago, I wanted to
gain some insurance for the ones that are working fine on the Shuttle portable, esp. before I put eCS and
System Cmdr. on it and do some other possibly risky maneuvers. (Drive trays are not a practical option
for
this little unit, so I'm stuck with the problems of a multiboot setup.) So, I got a 2nd. identical H/D,
and set
about cloning everything as it exists at the moment -- some 18 partitions worth, including ones reserved
for
IBM Boot Mgr., and two eCS partitions. Everything was going great, up until the very end. (Beware
whenever
things seem to be going really well ! The edge of the cliff may be right there, just over the next rise.)
Let me back this up a bit for you. This is supposed to be a simple, straightforward procedure, right ?
The
first tool I reached for was GHOST 2003, by most accounts a capable product, but one with a rather dumb
design in its UI. The drive-to-drive procedure with GHOST bombed out immediately, with an error message
that said "Call Symantec." Uh, no thanks. (I'm positiive that it did not get as far as starting to do
anything with
the bare drive.) I next turned to Drive Image 4, a better program I'm quite familiar with at this point.
Right
away at the setup phase, I could see that its Drive-to-Drive feature -- unlike its regular Imaging feature
--
could only see the few FAT-16 partitions. So much for that.
I recalled that Ray has mentioned cloning *partitions* with Partition Magic, a number of times. O.K.,
that's
taking the longer, slower, labor intensive route, but it should get me to the destination. So I started
to clone
each partition in turn, drive to- drive, with PM-6. This program spends a lot of time verifying the
target media
*first*, then verifying the partitioning / formatting / data copy the rest of the way -- so we're talking
several
hours overall. Everything proceeded smoothly, right up through partition 17. Maybe I should have had
some
concern that there were tiny variances in the size of the cloned partitions. Like 305.8M vs. 305.9M. Now
I can
tell you where I probably screwed up, on the final partition, but PM screwed up much worse on the disaster
avoidance part of its design. Ray had asked me, "Isn't there a PM gotcha about the source & destination
partition
sizes having to be the same, or larger at the destination end ?" This was a an easily preventable
oversight on my
part, but the destination space was less than half a Meg. too small -- largely because of these very
small, but
cumulative differences ! At the end of cloning the last partition, PM barfed. Worse yet, it wiped out
the first
partition *along with* the MBR, in a way that may be unrecoverable. If the damn program had been properly
designed, it should not even have attempted to clone the last partition, but seen a mismatch and returned
a
"Nope, you can't do that" sort of error.
PM can no longer deal with the cloned H/D in any fashion. It takes one look at the drive and gives forth
an
Error #108, the meaning of which seems to be: "Sorry Pal, but you are utterly, totally *****d."
(PowerQuest
was bought out by Symantec, so I guess one is supposed to call the latter now, and shell out serious
dinero for
live support, if they even still support a version that old. Again, no thanks.)
Enter DFSEE. Except for a couple relatively simple things, like Set Partition Active (much more
accessible
now, with the GUI version), I've never really learned how to use this program. I recognize that a lot of
work
has gone into making it more non-techie friendly, and into revising the documentation and Help. But I'm
sorry: reading through that stuff still makes me feel like a dolt. I know that it has partition and whole
drive
cloning features, and maybe I should have tried the latter, from the get-go. Anyway, at the moment I am
much
more interested in its analysis and recovery features. It so happens that I have the DFSTART files from
the
Source drive. However, so far I can't see that this is going to be helpful. DFSEE (5.54) shows that
Partition 1
has been turned into Free Space, and that Partition 2 (the alternate C: partition) is now the first actual
partition.
Attempts to do anything to or with that free space results in a DFSEE error #252, General Command Failure.
It is like that first 305M is there, but it _isn't_ there at the same time -- or it is at least
untouchable.
In theory, PRESTORE should be able to resurrect the MBR from the DFSTART files, and the first partition
should be re-clonable. But I'm not sure how to get there from here, or if it has any prospect of
working. It
sure would be nice to salvage the work already done, if the results can be reliable. Or maybe I should
just wipe
the duplicate drive (not sure How), and try the DFS drive to drive cloning. The one thing I want to be
damn
sure of is that nothing adverse happens to the Source drive, in the course of attempting this.
If anyone has a step-by-step for me here, it would really be appreciated.
Jordan
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February |
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