Subject: Re: Why my life is sucking. Part 2.
To: Greg Oster <>
From: Manuel Bouyer <>
List: current-users
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 <>