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Re: [Bug-ddrescue] user-interface suggestions

From: Antonio Diaz Diaz
Subject: Re: [Bug-ddrescue] user-interface suggestions
Date: Sun, 24 May 2009 19:07:16 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv:1.7.11) Gecko/20050905

Richard Neill wrote:
Here lies the problem. It's going to be hard (I think) to write a suitable heuristic for ddrescue.

The problem is that, AFAIK, there is no way for ddrescue to know the block size of a device except by means of user-supplied arguments.

Is there any way to simplify the heuristic such that ddrescue can make its own decisions about what is "nearly" the best outcome? It doesn't have to be spot on. But at the least, ddrescue should protect the user from any bad consequences of the misuse of -d.

There aren't such bad consequences. If the values supplied are correct, ddrescue will rescue data. If not, all reads will fail fast, but you can stop it and try other values.


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