Yes you can. If its bad blocks that plague you, I would suggest first is to try HDD Regenerator utility or something similar (its $50 to buy, there is also free trial that may help). In 85% of cases I had, it helped. HDD reg performs some stimulation which in turns helps to resolve the issue with bad blocks (temporary, but enough to get the data). There are other products that are similar to HDD Regenerator I'm just not sure what they are called. If anyone knows of a similar open source product please share the name.
Bad block regeneration helped me over 50 times. BTW, a lot of "data recovery" firms use HDD Reg and then charge few thousands. In some rare cases, you may not be able to recover bad blocks, in that case, use "dd" with ignore errors switch on. Post that if you have issues, you can also try testdisk recovery utility. Best of luck -ilya From: rhelv5-list-boun...@redhat.com [mailto:rhelv5-list-boun...@redhat.com] On Behalf Of Mirko Vukovic Sent: Friday, October 14, 2011 9:30 AM To: Red Hat Enterprise Linux 5 (Tikanga) discussion mailing-list Subject: [rhelv5-list] can I use dd to clone the failing "root" drive? Hello, The drive /dev/sda on which the kernel, root, and RHEL in general live is slowly dying (based on smartctl). I have the replacement drive in hand. Is the following possible? - put the replacement drive into an empty bay - clone /dev/sda onto it like: dd if=/dev/sda of=/dev/sdc - move the new drive into the /dev/sda drive bay Or is there another preferable solution? Thank you, Mirko
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