[TriLUG] hard drive recovery service - try Spin-Rite

Carl Crider c.crider at gmail.com
Sun Feb 12 10:45:39 EST 2006


just putting my vote in here for spinrite. it has been an invaluable tool
for
me personally, and at work. twice in the last year i've been able to recover
important work data. it's the best $89 you can spend.


On 2/12/06, Pat Regan <thehead at patshead.com> wrote:
>
> Reid Sayre wrote:
> > Jason,
> >
> > Try Spin-Rite at http://www.grc.com/sr/spinrite.htm . For $89 it's tough
> > to beat, and you may be able to get your data off your drive today or
> > tomorrow unless it's totally trashed.
> >
>
> I have never used Spinrite, although I have heard of it.  I just skimmed
> the website a little bit, though.  If it only does what I read about in
> the FAQ it is probably a very bad idea to run it on a failing drive.
>
> The FAQ seemed to claim that it does a read/write/read/write cycle
> across the whole disk.  If you do this on a drive that is failing badly
> enough to be making a lot of noise you will make it very, very hard to
> ever recover the data afterwards.
>
> It sounds more likely that Spinrite is meant to be used as preventative
> maintenance (the FAQ recommends running it every few months).  I can
> understand why that may be a good idea, and I am terribly surprised that
> there isn't a open source alternative.  There is no reason something
> like this can't be done on a live file system, at least in theory :).
>
> The reason the read/write/read/write helps is because IDE drives only
> remap bad sectors during a write.  In other words, if you keep hitting a
> particular bad sector during a read the data will be kept in the same
> place on the disk.  If you attempt to write to that same sector and it
> fails, that sector will be remapped to another unused portion of the disk.
>
> If you continually get write errors the drive is already pretty bad.  It
> pretty much means that you have run out of unmapped sectors for it to
> remap to.
>
> Did I misread the Spinrite page?
>
> Pat
>
>
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>


--
Carl Crider



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