Re: [PATCH 0/3] Handling NFSv3 I/O errors in knfsd

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On Wed, 2019-08-28 at 09:48 -0400, bfields@xxxxxxxxxxxx wrote:
> On Tue, Aug 27, 2019 at 03:15:35PM +0000, Trond Myklebust wrote:
> > I'm open to other suggestions, but I'm having trouble finding one that
> > can scale correctly (i.e. not require per-client tracking), prevent
> > silent corruption (by causing clients to miss errors), while not
> > relying on optional features that may not be implemented by all NFSv3
> > clients (e.g. per-file write verifiers are not implemented by *BSD).
> > 
> > That said, it seems to me that to do nothing should not be an option,
> > as that would imply tolerating silent corruption of file data.
> 
> So should we increment the boot verifier every time we discover an error
> on an asynchronous write?
> 

I think so. Otherwise, only one client will ever see that error.
-- 
Jeff Layton <jlayton@xxxxxxxxxx>




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