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Re: [Bug-ddrescue] Feature Request: Append some information about sector


From: Antonio Diaz Diaz
Subject: Re: [Bug-ddrescue] Feature Request: Append some information about sectors
Date: Fri, 22 Feb 2013 21:08:38 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv:1.7.11) Gecko/20050905

Hello William.

William wrote:
Feature Request:
Include information about "current sector", "last readable sector" and
"last unreadable sector" when using "-vvvv" option, being viewed at real
time.

I am not sure if those would be useful, specially "current sector", which can be inferred from ipos (or opos).


In most cases, such information could not be read due to the rate of
sectors changing, but I think It would help in diagnosis of damaged hard
drives. Per example, a damaged head usually generates big unreadable areas.
On the other hand, damaged platters commonly generates many unreadable
small areas.

But ddrescue skips and jumps. Knowing the "last readable sector" is not enough to know the size of the current area (good or bad). You need to look at the logfile for that.


It would also be useful to show the activity of ddrescue when
running retries in slow areas.

There is no such thing as "retries in slow areas". Slow areas are "good areas" (they have been successfully read) and are therefore not retried.


Regards,
Antonio.



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