Linux-kernel mailing list archive 2000-23,: Re: dedicated logging devices

# Re: dedicated logging devices

Brian Gerst (bgerst@quark.vpplus.com)
Fri, 09 Jun 2000 13:49:24 -0400

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Andreas Dilger wrote:
>
> Xuan, you write:
> > Is it reasonable to use the 50 bytes of /dev/nvram for logging or is it just
> > too small?
>
> It is definitely too small to write any transactions there, although it
> may be possible to use it for a bitmap of some sort (400 bits). However,
> my understanding would be that the CMOS NVRAM would be much too slow to
> use reasonably, and it only has a limited number of writes, so using it
> for part of a filesystem will surely mean death for it. Correct me if
> I'm wrong for modern motherboard NVRAM.

Motherboard NVRAM is battery-backed (it is part of the clock).

    --

    				Brian Gerst

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