From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 095157CA0 for ; Tue, 9 Aug 2016 09:51:15 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id CCEA1304053 for ; Tue, 9 Aug 2016 07:51:14 -0700 (PDT) Received: from smtp1.cc.ic.ac.uk (smtp1.cc.ic.ac.uk [155.198.5.155]) by cuda.sgi.com with ESMTP id bR2qv7vLGEvEUugi (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Tue, 09 Aug 2016 07:51:12 -0700 (PDT) Received: from cloud-vm-46-210.doc.ic.ac.uk ([146.169.46.210] helo=ic) by smtp1.cc.ic.ac.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.86) (envelope-from ) id 1bX8N5-0007Hm-Es for xfs@oss.sgi.com; Tue, 09 Aug 2016 15:51:11 +0100 Date: Tue, 9 Aug 2016 15:50:47 +0100 From: Wei Lin Subject: Question on migrating data between PVs in xfs Message-ID: <20160809145046.GB5583@ic> MIME-Version: 1.0 Content-Disposition: inline List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com Hi there, I am working on an xfs based project and want to modify the allocation algorithm, which is quite involved. I am wondering if anyone could help with this. The high level goal is to create xfs agains multiple physical volumes, allow user to specify the target PV for files, and migrate files automatically. I plan to implement the user interface with extended attributes, but am now stuck with the allocation/migration part. Is there a way to make xfs respect the attribute, i.e. only allocate blocks/extents from the target PV specified by user? Any suggestion would be highly appreciated. Cheers, -- Wei Lin _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs