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From: | Assaf Gordon |
Subject: | bug#6667: dd ?bug? while making image of hdd with bad sectors |
Date: | Wed, 10 Oct 2018 11:13:00 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
tags 6667 notabug close 6667 stop Hello, On 19/07/10 08:44 AM, Pádraig Brady wrote:
On 19/07/10 10:05, Jakub Muszynski wrote:I have been trying to make a dd copy : dd if=/dev/sdb conv=noerror,sync bs=4096k|pv| dd of=usb320.dd conv=noerror,sync bs=4096k > dd320.LOG but image took all my free diskspace (406GB), and terminated, eventhough my hdd is 320GBdd doesn't read full blocks by default, so one has to be careful when reading from pipes.
[...]
Does adding "iflag=fullblock" to the second dd fix things? Since you're not specifying a count, just removing the "sync" option from the second dd is equivalent.
With no further comments in 8 years, I'm closing this item. regards, - assaf
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