Re: Checksumming layer

Hi,
You could use tripwire to check periodically all files instead of relay 
on the file system for that task. (I think no file system does this 
checking by now)

Jordi

Jeremy Sanders wrote:
> Is there any sort of checksumming layer that could lie between the disk and
> ext3, or be implemented as part of ext3/4?
>
> We've just had a couple of drives recently where the drive started silently
> corrupting the data without generating any I/O or SMART errors. This is
> pretty disastrous as you don't necessarily find out about the corruption
> until it is too late.
>
> I imagine the overhead of such a layer wouldn't be that much. I would pay a
> few percent performance for knowing that the data is not corrupt.
>
> Jeremy
>
>   


--
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       / /          Jordi Prats
 C E / S / C A      Dept. de Sistemes
     /_/            Centre de Supercomputació de Catalunya

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 T. 93 205 6464 · F.  93 205 6979 · [EMAIL PROTECTED]
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