From: "J. Bruce Fields" <bfields@fieldses.org>
To: Chuck Lever <chuck.lever@oracle.com>
Cc: Jeff Layton <jlayton@redhat.com>, linux-nfs@vger.kernel.org
Subject: Re: [PATCH v4 0/6] nfsd: overhaul the client name tracking code
Date: Wed, 25 Jan 2012 13:55:29 -0500 [thread overview]
Message-ID: <20120125185529.GJ17873@fieldses.org> (raw)
In-Reply-To: <D13C2C6D-7731-4EE6-BC3D-2A9D1D1F0581@oracle.com>
On Wed, Jan 25, 2012 at 12:41:27PM -0500, Chuck Lever wrote:
> If SETCLIENTID returns a unique clientid4 that a client hasn't seen from other servers, the client knows that's a unique server instance which must be recovered separately after a reboot.
Hm, but does it have to do the recovery with that server?
And if so, then how does that fit with failover?
I mean, suppose the whole cluster is rebooted. From the client's point
of view, its server becomes unresponsive. So it should probably start
pinging the replicas to see if another one's up. The first server it
gets a response from won't necessarily be the one it was using before.
What happens next?
--b.
next prev parent reply other threads:[~2012-01-25 18:55 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-23 20:01 [PATCH v4 0/6] nfsd: overhaul the client name tracking code Jeff Layton
2012-01-23 20:01 ` [PATCH v4 1/6] nfsd: add nfsd4_client_tracking_ops struct and a way to set it Jeff Layton
2012-01-23 20:01 ` [PATCH v4 2/6] sunrpc: create nfsd dir in rpc_pipefs Jeff Layton
2012-01-23 20:01 ` [PATCH v4 3/6] nfsd: convert nfs4_client->cl_cb_flags to a generic flags field Jeff Layton
2012-01-23 20:01 ` [PATCH v4 4/6] nfsd: add a header describing upcall to nfsdcld Jeff Layton
2012-01-23 20:01 ` [PATCH v4 5/6] nfsd: add the infrastructure to handle the cld upcall Jeff Layton
2012-01-23 20:01 ` [PATCH v4 6/6] nfsd: get boot generation number from upcall instead of boot_time Jeff Layton
2012-01-24 23:08 ` [PATCH v4 0/6] nfsd: overhaul the client name tracking code J. Bruce Fields
2012-01-24 23:11 ` J. Bruce Fields
2012-01-25 11:41 ` Jeff Layton
2012-01-25 13:11 ` J. Bruce Fields
2012-01-25 13:38 ` Jeff Layton
2012-01-25 16:47 ` Chuck Lever
2012-01-25 17:14 ` J. Bruce Fields
2012-01-25 17:41 ` Chuck Lever
2012-01-25 18:55 ` J. Bruce Fields [this message]
2012-01-25 20:23 ` Jeff Layton
2012-01-25 21:25 ` J. Bruce Fields
2012-01-25 21:29 ` Chuck Lever
2012-01-25 21:54 ` J. Bruce Fields
2012-01-25 21:55 ` Chuck Lever
2012-01-25 22:11 ` J. Bruce Fields
2012-01-27 15:43 ` Jeff Layton
2012-01-25 20:29 ` Chuck Lever
2012-01-25 20:53 ` J. Bruce Fields
2012-01-25 21:08 ` Chuck Lever
2012-01-25 19:08 ` Jeff Layton
2012-01-24 23:10 ` J. Bruce Fields
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