From owner-freebsd-fs@FreeBSD.ORG Wed Jul 3 12:02:30 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 14414BA7 for ; Wed, 3 Jul 2013 12:02:30 +0000 (UTC) (envelope-from feld@feld.me) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by mx1.freebsd.org (Postfix) with ESMTP id DA3AE1458 for ; Wed, 3 Jul 2013 12:02:29 +0000 (UTC) Received: from compute6.internal (compute6.nyi.mail.srv.osa [10.202.2.46]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id 2D27F2122A for ; Wed, 3 Jul 2013 08:02:22 -0400 (EDT) Received: from frontend1.nyi.mail.srv.osa ([10.202.2.160]) by compute6.internal (MEProxy); Wed, 03 Jul 2013 08:02:23 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=feld.me; h= content-type:to:subject:references:date:mime-version :content-transfer-encoding:from:message-id:in-reply-to; s= mesmtp; bh=F7y6yghZuE/OolerFmKQ4/7Kqxo=; b=MpTyoEZG97E2YfKWpjyDG t0y1jXGQkXdq5l4WAPPiCp9NhaLE8Eb7EfSgC8EH4IQ2cEcJc6dgRxe7/LX/fcMk b/HuQSIvrIwNhhZ0MGYljG3cEYXhBT1OgjddMd0ATw5Nw6Gb9XWSxC/U57iNVW5v Av1VLHYQKk8k03jT8iX17w= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-type:to:subject:references:date :mime-version:content-transfer-encoding:from:message-id :in-reply-to; s=smtpout; bh=F7y6yghZuE/OolerFmKQ4/7Kqxo=; b=nFUs kO9ody8UAu1HUKtcFEyhlwTlEZDoDMZFv5vTY1AyCRAdXGdzj/3wRoSY5wM3d36X Jullt479CENUQgiXsMkE6eii5501JBUIMfS097D7J7T9E1AkJ0Bz0G9cdd+YcRjG g/V2wsk6H4zpvHHDfWYuLLaFfTbX7NHT/AqHvgU= X-Sasl-enc: cfPbhocJd7pP9dXfshRmoCyvWWN5MzCt+u0nGwMINFwY 1372852942 Received: from tech304.office.supranet.net (unknown [66.170.8.18]) by mail.messagingengine.com (Postfix) with ESMTPA id EF20FC00E8A for ; Wed, 3 Jul 2013 08:02:21 -0400 (EDT) Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: freebsd-fs Subject: Re: EBS snapshot backups from a FreeBSD zfs file system: zpool freeze? References: <87li5o5tz2.wl%berend@pobox.com> <87ehbg5raq.wl%berend@pobox.com> <20130703055047.GA54853@icarus.home.lan> <6488DECC-2455-4E92-B432-C39490D18484@dragondata.com> <871u7g57rl.wl%berend@pobox.com> Date: Wed, 03 Jul 2013 07:02:21 -0500 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: "Mark Felder" Message-ID: In-Reply-To: <871u7g57rl.wl%berend@pobox.com> User-Agent: Opera Mail/12.15 (FreeBSD) X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Jul 2013 12:02:30 -0000 On Wed, 03 Jul 2013 04:10:06 -0500, Berend de Boer wrote: > > Would be great to have this in FreeBSD. Once you have used EBS > snapshots, you really don't want to go back. This really does sound like Amazon needs to provide whatever mechanism to communicate between the host and the guest so this EBS snapshot can take place. On the other hand, every time I read about "block storage snapshots" -- even if you quiesce the filesystem -- I start to get really itchy thinking about the likeliness a high TPS database is going to end up with corruption and require recovery. :)