Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-pa0-f44.google.com ([209.85.220.44]:46543 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752176Ab3DUINu (ORCPT ); Sun, 21 Apr 2013 04:13:50 -0400 Received: by mail-pa0-f44.google.com with SMTP id bi5so3032785pad.3 for ; Sun, 21 Apr 2013 01:13:49 -0700 (PDT) Date: Sun, 21 Apr 2013 16:13:27 +0800 From: "linux.pnfs" To: "linux-nfs" Subject: pNFS layered over cluster FS, is this the status quo? Message-ID: <201304211613254596282@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: linux-nfs-owner@vger.kernel.org List-ID: pNFS layered over cluster FS(such as GFS2), DLM implement layoutget(a pnfs export operations) but it not support IOMODE_RW, that is write data must via meta data server, -->> is this the status quo? the MDS' layoutget will support IOMODE_RW and client will RW data via data server in the future? or is there any support for: howto parellel R&W data via data server? thanks!