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List:       linux-nfsv4
Subject:    Re: nfsv4: rsize/wsize weirdness over slow links
From:       Dimitri Puzin <nfsv4 () psycast ! de>
Date:       2008-06-19 11:36:00
Message-ID: 485A44A0.9030706 () psycast ! de
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Trond Myklebust schrieb:
> On Wed, 2008-06-18 at 16:55 -0400, J. Bruce Fields wrote:
[...]
> The solution would be to set the rsize to a smaller value using an
> explicit mount command. i.e.
> 
> mount -t nfs4 -o sec=krb5i,hard,intr,tcp,rsize=8192,wsize=8192 server01:/ /mnt
> mount -t nfs4 -o sec=krb5i,hard,intr,tcp,rsize=8192,wsize=8192 server01:/data /mnt/data
This fixes my problem, thanks a lot for the hint :)

> We don't, and haven't ever, propagated rsize or wsize across 'nohide'
> submounts simply because both the NFSv3 and the NFSv4 protocols state
> that the maximum rsize/wsize are both attributes that are specific to
> the particular filesystem on the server.
Do I have any chance to enforce the propagation  of r/wsize values
across submounts on the server's side?

> 
> Trond
> 
> 
Regards,

Dimitri
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