This definitely solved the "write error: File too large" problem. I formatted
the recovery drive to NTFS and started over. Things are coming along nicely.
The image is 30GB so far. But the damaged drive's 500GB. So looks like I'm in
for a few days.
What about the ddrescue command parameters? Could I have constructed mine
differently for speed? I'm just worried that the damaged drive will fail
completely before the operation finishes on its own.
I tried using the "-i" (input position) and "-s" (max size) options as shown in
the ddrescue manual. However these did not work for me. Or more likely I do not
understand what they do.
Also, please elaborate on what "-t" (truncate) does. The manual simply states
"Truncate output file". But what does this mean?
But what I want to know most is about the command parameters. How would you
construct it to maximize the speed of the recovery?
James
________________________________
From: andrew zajac <[EMAIL PROTECTED]>
To: ddrescue <[email protected]>; James W. Watts <[EMAIL PROTECTED]>
Sent: Saturday, October 25, 2008 1:46:49 PM
Subject: Re: [Bug-ddrescue] Need fast recovery settings for ddrescue
Hi James.
I assume the destination drive is formatted with a FAT filesystem.
You need to use a filesystem that supports files that are bigger than 4Gigs. I
use ext3, but you can also use NTFS. Trying to create an image file that is
500Gigs large on a FAT filesystem will not work.
I hope this helps.
--- On Sat, 10/25/08, James W. Watts <[EMAIL PROTECTED]> wrote:
From: James W. Watts <[EMAIL PROTECTED]>
Subject: [Bug-ddrescue] Need fast recovery settings for ddrescue
To: "ddrescue" <[email protected]>
Received: Saturday, October 25, 2008, 8:31 AM
Hello all. I'm on the mailing list for this fantastic recovery software and
I've learned lots reading through all the different posts. Hope you can help me.
I have a damaged drive that is nearly full with music files (mp3s). It belongs
to a DJ and I need to get his files back quickly. The damaged drive is a 500GB
internal SATA drive and the recovery drive is a 650GB external USB drive. Both
drives are connected to the computer via USB adapters. As for the physical
setup, is this good for speed? The computer I'm using is a relatively modern
laptop with USB 2.0 ports.
What settings or parameters would you use when issuing the ddrescue command for
this task? Assume the drive has lots of sector errors and that most of the
files are 4-10 MB in size.
I need to pull an image quickly so I can start Photorec on it and get back the
MP3s. I ran ddrescue for two days with the following command, but only have 4GB
so far. As a test, I ran Photorec against the partial recovery image and got
back lots of working MP3s. So the data is definitely intact, it's just going
very slowly.
My command
sudo ddrescue -v -d -n /dev/Damaged_Drive /Media/Recovery_Drive/image.img
/Media/Recovery_Drive/image.log
Also, this morning I checked on the recovery process to discover the following
message:
ddrescue: write error: File too large
Any ideas? Please tell me how I can make a quick image? At this rate it could
take longer than a month.
Thank you,
James
Charlotte, NC
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