From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:40793) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkuRi-0001cd-O3 for qemu-devel@nongnu.org; Tue, 18 Dec 2012 05:30:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TkuRh-0004bl-Ha for qemu-devel@nongnu.org; Tue, 18 Dec 2012 05:30:46 -0500 Received: from e28smtp02.in.ibm.com ([122.248.162.2]:53894) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkuRg-0004aW-LA for qemu-devel@nongnu.org; Tue, 18 Dec 2012 05:30:45 -0500 Received: from /spool/local by e28smtp02.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 18 Dec 2012 15:59:56 +0530 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 6661E3940054 for ; Tue, 18 Dec 2012 16:00:33 +0530 (IST) Received: from d28av02.in.ibm.com (d28av02.in.ibm.com [9.184.220.64]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id qBIAUSTW44237018 for ; Tue, 18 Dec 2012 16:00:31 +0530 Received: from d28av02.in.ibm.com (loopback [127.0.0.1]) by d28av02.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id qBIAUSs6030337 for ; Tue, 18 Dec 2012 21:30:29 +1100 Message-ID: <50D045A4.7030706@linux.vnet.ibm.com> Date: Tue, 18 Dec 2012 18:29:56 +0800 From: Wenchao Xia MIME-Version: 1.0 References: <1355725509-5429-1-git-send-email-xiawenc@linux.vnet.ibm.com> <1355725509-5429-5-git-send-email-xiawenc@linux.vnet.ibm.com> <24E144B8C0207547AD09C467A8259F75578B461B@lisa.maurer-it.com> <50CECBFA.6090000@linux.vnet.ibm.com> <24E144B8C0207547AD09C467A8259F75578B46F4@lisa.maurer-it.com> <50CEDD39.6010803@linux.vnet.ibm.com> <24E144B8C0207547AD09C467A8259F75578B4977@lisa.maurer-it.com> In-Reply-To: <24E144B8C0207547AD09C467A8259F75578B4977@lisa.maurer-it.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH 4/6] snapshot: implemention of common API to take snapshots List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Dietmar Maurer Cc: "kwolf@redhat.com" , "aliguori@us.ibm.com" , "stefanha@gmail.com" , "qemu-devel@nongnu.org" , "blauwirbel@gmail.com" , "pbonzini@redhat.com" 于 2012-12-17 18:32, Dietmar Maurer 写道: >>> For example, nexenta storage provides an API to create snapshots. We >>> want to use that. Another example would be to use lvcreate to create lvm >> snapshots. >>> >> I am not familar with those tools > > You do not know LVM? > Honest speaking I use LVM tools little. I wonder why lvcreate can't be used, for block internal snapshot I think this patch have same function as your previous patch, what is missing? > -- Best Regards Wenchao Xia