[aklug] Re: [EXTERNAL]: Re: UNDELETE

myharddrivedied.com

I took the SANS course on hard drive mechanics a few years ago. With tools the success rate was about 80% for the class (mine was 0%).
Practice on some drives. But tools (hardware tools) make the job a lot easier.

From: aklug-bounce@aklug.org [mailto:aklug-bounce@aklug.org] On Behalf Of Shane Spencer
Sent: Thursday, March 06, 2014 3:52 PM
Cc: AKLUG
Subject: [EXTERNAL]: [aklug] Re: UNDELETE

I really dislike how gmail deals with this specific mailing list for reply buttons.

I've seen a few hacked together. I won't really know how this will turn out until I open up the good drive.. I'm really hoping the heads are parked and easily out of the way of the platters.. and I'm SUUUUUUUUPER skeptical that I will be able to place all the platters back together at their original rotation. I have no idea if that's a thing or not. They do freely spin on the spindle once you reduce a little pressure on the top ring so I'm really curious if the heads align themselves with the platters individually.

Anybody?

On Thu, Mar 6, 2014 at 9:29 AM, Leif Sawyer <lsawyer@gci.com<mailto:lsawyer@gci.com>> wrote:
There's been some historical tales of folks building a clean-box using plexiglass, hepa filters, and a vacuum cleaner, along with some good rubber gloves.

That's probably your best bet for opening up drives and swapping platters or spindle motors or what-have-you.

From: aklug-bounce@aklug.org<mailto:aklug-bounce@aklug.org> [mailto:aklug-bounce@aklug.org<mailto:aklug-bounce@aklug.org>] On Behalf Of Shane Spencer
Sent: Wednesday, March 05, 2014 11:52 AM

Cc: AKLUG
Subject: [aklug] Re: UNDELETE

Unfortunately that didn't do the trick when I tested it. All signs pointed to mechanical. I can try to see if there is a firmware update that may fix this situation.

I didn't want to lose the bad block and reallocated sector information either.

Thanks for the bump on this JP. I'll see if a new firmware somehow magicalizes it.

On Wed, Mar 5, 2014 at 11:48 AM, JP <jp@jptechnical.com<mailto:jp@jptechnical.com>> wrote:
Might get away with swapping the boards, I read that the majority of drive failures of late are firmware and logic and not mechanical. I have not personally done it, but I have seen it done.



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907-748-2200<tel:907-748-2200>
JP Technical<http://www.jptechnical.com/>
helpdesk@jptechnical.com<mailto:helpdesk@jptechnical.com>

From: aklug-bounce@aklug.org<mailto:aklug-bounce@aklug.org> [mailto:aklug-bounce@aklug.org<mailto:aklug-bounce@aklug.org>] On Behalf Of Shane Spencer
Sent: Wednesday, March 5, 2014 11:43 AM
Cc: AKLUG
Subject: [aklug] Re: UNDELETE

One disk is failed. It will not read. I'd have to move the platters to a working chassis.

Chances are that if I can somehow magically move the platters without causing massive damage to the data that the logic board (containing sector reallocation information) for it will also work. There's a darn good chance the motor or heads are just wonky.

On Tue, Mar 4, 2014 at 10:24 PM, Greg Schmitz <greg@amipa.org<mailto:greg@amipa.org>> wrote:
On 03/04/2014 07:32 PM, Shane Spencer wrote:
I have a fun one where I have a dead drive that was part of a two disk linear block device. It was a dual disk USB drive that I thought was mirrored.. alas it was an append of two drives half the size I thought they were. Yay.

So here's the deal. I need to dump the contents of one to a disk image.. then somehow magically move the platters over. Anybody know how feasible this is? I'd also like to get data recovered from this funky situation.

On Tue, Mar 4, 2014 at 6:18 PM, James Zuelow <e5z8652@zuelow.net<mailto:e5z8652@zuelow.net>> wrote:
On Tuesday, March 04, 2014 13:37:44 Bill Bouterse wrote:

>
> I have read many, many RTFM and searched endlessly. However I know once
> one begins to attempt recovery YOU BETTER KNOW WHAT YOU'RE DOING.
> It happen to me over 15 years ago and with the tools at the time I
> accomplished nothing.
>
> Has anyone had a successful recovery of anything similar.?
>
> WH (Bill) Bouterse
> Now Residing in Juneau
Yes,

Trinity Rescue Kit has a couple of utilities that you can use to recover
deleted files and partitions.

It scans the drive looking for orphaned inodes.

I haven't used a disk in a few years, but I have successfully recovered
deleted partitions and files from ext2 and ext3.

The newer version of Trinity might help.

James

Shane, perhaps you could image both disks and then trim one to synch up with the other? Block sizes and sectors tend to be predictable. Assuming of course that the manufacturer didn't add any curve balls to the equation. Was dealing with mfg curve balls with a codec somebody on the AMIA-L list asked about this weekend. See http://spreadys.wordpress.com/2013/09/29/march-networks-mnm4-codec/

===

ON THE BEACH (Krammer, 1959). Speaking to ...
Cmdr. Dwight Lionel Towers, USS Sawfish (Gregory Peck):

Moira Davidson (Ava Gardner): [drunk] Nobody can explain it to me..... All I want to know is if everybody was so smart why didn't they know what would happen?



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Received on Thu Mar 6 15:57:37 2014