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Re: [nfsv4] Preventing an NFSv4.1 client from destroying a migrated lease after TSM

Xuan Qi <xuanqi17@gmail.com> Tue, 18 April 2017 14:15 UTC

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From: Xuan Qi <xuanqi17@gmail.com>
Date: Tue, 18 Apr 2017 09:15:01 -0500
Message-ID: <CAFXN+NzipYDioa8Jx2138uuB2+jVKK3LtSka9xgLBJ81jEFBGg@mail.gmail.com>
To: Chuck Lever <chuck.lever@oracle.com>
Cc: David Noveck <davenoveck@gmail.com>, NFSv4 <nfsv4@ietf.org>
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Subject: Re: [nfsv4] Preventing an NFSv4.1 client from destroying a migrated lease after TSM
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Hi Chuck and All,

On Mon, Apr 17, 2017 at 1:45 PM, Chuck Lever <chuck.lever@oracle.com> wrote:

>
> Confirmation of the lease means more than just that it
> is present on the queried server: it also means there is
> now a cached CREATE_SESSION reply, and a known good
> contrived slot sequence number. Neither of those is true
> for a migrated lease when the client's sessions were not
> also migrated.
>
Just to clarify, Solaris server doesn't migrate client session. But we do
migrate the contrived slot sequence number and the cached CREATE_SESSION
reply because they live under the client record.

Thanks,
Xuan

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