9.1-RC3 LiveCD missing features

[Devin Teske]

On Dec 7, 2012, at 2:30 PM, CeDeROM wrote:

> Hello Chuck :-)
> 
> DD cannot perform non-destructive test.. unless I do dd if=/dev/ada0s2a
> of=/dev/ada0s2a :-) Do you think drives are now smart enough to remap
> badblocks this way? What is the probability that there are no badblocks or
> badblocks are not detected this way?
> 

SpinRite is one way to find/correct bad blocks non-destructively (it will even do its best to resurrect data from bad blocks using intense heuristic analysis).

NOTE: SpinRite is not free (see grc.com)

Also, maybe I should mention my own LiveCD/Rescue disc (which does have the badblocks program you're looking for):

FreeBSD-9.0_Druid-1.0b60.iso
or
FreeBSD-8.3_Druid-1.0b60.iso

(the former for 9.x and the latter for 8.x).



> Which pattern is better for format 0x00 or 0xFF or one after another or
> dont care? I think badblocks is quite useful in this case even in
> destructive mode..
> 
> Btw. I have moved discussion to freebsd-stable , sorry for a mess :-)
> 
> Best regards :-)
> Tomek
> 
> --
> CeDeROM, SQ7MHZ, http://www.tomek.cedro.info
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