Re: dd limit???

["Robert G. (Doc) Savage" <dsavage@peaknet.net>]

On Tue, 2011-06-07 at 20:43 -0500, Robert G. (Doc) Savage wrote:
> Four times I've tried to use a Coolmax IDE-to-USB2 adapter to dd a
> binary image of /dev/sda2 to a bare-metal backup image file on my
> server. Every time the process stalls at 104,329,363,456 bytes (97.2G --
> it's a 120G Seagate Momentus 5400.2). I can't kill the dd process. I
> can't even warm boot the server. Have to hit the hard reset to complete
> shutdown.
> 
> Once it stalls, /var/log/messages keeps repeating:
> 
> Jun  7 20:37:05 lion kernel: 
> Jun  7 20:37:08 lion kernel: sdc: Current: sense key: No Sense
> Jun  7 20:37:08 lion kernel:     Add. Sense: No additional sense
> information
> 
> dmesg shows similar status:
> 
> sdc: Current: sense key: No Sense
>     Add. Sense: No additional sense information
> 
> Before pulling the disk and connectiving to the Coolmax, I had to boot
> to rescue mode with an F13 installation disk to run e2fsck against that
> second partition to make sure it was OK. No problems reported.
> 
> Am I running into some kind of numeric limit with dd?
> 
> --Doc Savage
>   Fairview Heights, IL

Am giving dd_rescue a try. I'll know about 11pm.
--Doc


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