Re: [Bug-ddrescue] ddresacue going slowly - fixes?

[David Liana]

You may want to try another program called teskdisk.  It will scan your drive 
and guess at the partitions.  It can re-write your partition table. Again, ymmv.


----- Original Message -----
From: "Al Grant" <address@hidden>
To: address@hidden
Sent: Sunday, July 26, 2009 5:33:58 AM GMT -05:00 US/Canada Eastern
Subject: Re: [Bug-ddrescue] ddresacue going slowly - fixes?


Well it appears it was just going slowly through a bad part of the disk = it
has completed.

I do however have another query - i have a disk with errors - its doesnt
show up in fdisk -l but fsdisk -l shows it as sdb. 

unrecognised partition table type
no partitions found
read input/output error - cannot read sector 0

Anything else I can try other than ddrescue -vn?

Cheers

-Al



Al Grant wrote:
> 
> Sorry, I had installed ddrescue via the apt-get command which I didnt know
> installed a old version. Have downloaded and installed the latest verion
> which I had thought cured the problem, but infact when it gets to roughly
> 10g it slows down again.
> 
> -Al
> 
> 
> Al Grant wrote:
>> 
>> Hi Folks,
>> 
>> I am trying to run ddrescue on a disk with a few bad sectors. Evidently
>> it has not encountered them yet as errors is still 0, but ddrescue is
>> going very slowly:
>> 
>> The data rate is averaging 43000B/S.
>> 
>> I have tried -d - which is an invlid switch.
>> 
>> I have tried -c 64 which didnt seem to help much.
>> 
>> I am currently running it wiht sudo ddrescue -n -c 64 /dev/sdc
>> /storage/test testlog 
>> 
>> I am also running it from a USB-IDE bridge and imaging to a disk attached
>> to a PCI SATA controller card with disk attached..not sure if this migh
>> tbe effecting speed?
>> 
>> Any ideas?
>> 
>> Cheers
>> 
>> -Al
>> 
>> 
> 
> 

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