Subject: Re: Why my life is sucking. Part 2.
To: Greg Oster <email@example.com>
From: Manuel Bouyer <firstname.lastname@example.org>
Date: 01/18/2001 21:14:28
On Thu, Jan 18, 2001 at 01:41:52PM -0600, Greg Oster wrote:
> Yup.. something like that could be done... either for each stripe,
> or for some set/region of stripes. Note that this check would have
> to be done for *every IO* that takes place... If a machine is up
> for quite a few days between outages where the parity needs to be
> updated, then the machine is going to be spending a lot of cycles
> checking on this, instead of getting on with doing the IO.
Once the whole parity is clean, it would be possible to skip this code.
It's just a variable check, so it's cheap.
Manuel Bouyer <email@example.com>