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Re: [Bug-ddrescue] Slowness during recovery

From: colo
Subject: Re: [Bug-ddrescue] Slowness during recovery
Date: Mon, 22 Dec 2008 14:50:26 -0500

Regarding the post from James W. Watts

I am curious to hear if it ever went any faster. 
I started today around 11:00 and at 2:00 I have a measly 32megs from a 500 gig 260 used Western Digital piece o crap. 

I swapped it into a new shell and sit here on a macbook pro running ddrescue 1.9 using this as my command

sudo ./ddrescue -B -n -v -r1 /dev/disk1 /Volumes/LaCie/testtwo/savepleasetwo.dmg savepleasetwo.log

Log file

Initial status (read from logfile)

rescued:   25857 KiB,  errsize:       0 B,  errors:       0

Current status

rescued:   31170 KiB,  errsize:       0 B,  current rate:     2148 B/s

   ipos:   31170 KiB,   errors:       0,    average rate:     2607 B/s

   opos:   31170 KiB

Copying data...

With 0 errors what is up with it's current speed? Did I do something wrong? 
It's transferring the data to a Lacie Raid 1 terabyte drive as firewire from the WD hd via usb 2.0

Either way I am ultra happy to find a tool that seems to work compared to diskwarrior and the like

Hello all,

I kicked off a recovery this morning of a 200GB IDE hard drive. I issued the 
following command:

sudo ddrescue -v -n /dev/sdb /media/wd500gb/blc.img /media/wd500gb/blc.log

As you can see below, it is going very slowly. After running all day, it has 
recovered less than 2GB from the drive. Please tell me what I am doing wrong. I 
have started and stopped ddrescue several times and rebooted, unplugged/plugged 
the drives several times, too. But it continues to be slow.

I keep waiting for ddrescue to just leapfrog past the bad area(s) it is 
obviously stuck in, but it just keeps slogging away. How can I make it go 

At this rate it would take months for the drive to finish recovery.

Thank you,


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