From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48741) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciR7I-0000i4-EX for qemu-devel@nongnu.org; Mon, 27 Feb 2017 14:37:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciR7D-000201-I9 for qemu-devel@nongnu.org; Mon, 27 Feb 2017 14:37:52 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36964) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ciR7D-0001zE-9N for qemu-devel@nongnu.org; Mon, 27 Feb 2017 14:37:47 -0500 References: <20170227110106.GE28403@stefanha-x1.localdomain> <20170227123356.tgmtbiwcoswdb256@eukaryote> <20170227131757.vkf6twqdkzbwnsqc@eukaryote> From: Eric Blake Message-ID: <3e3033ab-9cc9-8673-f13c-2dd658677fc9@redhat.com> Date: Mon, 27 Feb 2017 13:37:44 -0600 MIME-Version: 1.0 In-Reply-To: <20170227131757.vkf6twqdkzbwnsqc@eukaryote> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="s7QSddNjm1g1HUb2VdmVUQEnKB3Crbiql" Subject: Re: [Qemu-devel] [libvirt] Question regarding Snapshots List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kashyap Chamarthy , Stefan Hajnoczi Cc: libvir-list@redhat.com, Tim Cusack , qemu-devel@nongnu.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --s7QSddNjm1g1HUb2VdmVUQEnKB3Crbiql From: Eric Blake To: Kashyap Chamarthy , Stefan Hajnoczi Cc: libvir-list@redhat.com, Tim Cusack , qemu-devel@nongnu.org Message-ID: <3e3033ab-9cc9-8673-f13c-2dd658677fc9@redhat.com> Subject: Re: [Qemu-devel] [libvirt] Question regarding Snapshots References: <20170227110106.GE28403@stefanha-x1.localdomain> <20170227123356.tgmtbiwcoswdb256@eukaryote> <20170227131757.vkf6twqdkzbwnsqc@eukaryote> In-Reply-To: <20170227131757.vkf6twqdkzbwnsqc@eukaryote> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 02/27/2017 07:17 AM, Kashyap Chamarthy wrote: > On Mon, Feb 27, 2017 at 01:33:56PM +0100, Kashyap Chamarthy wrote: >=20 > [...] >=20 >>>> Can you make a snapshot, then go back to the base and ignore that sn= apshot >>>> like a closed branch, make another snapshot, and then go back and fo= rth >>>> from each to each? Yes. Or graphically, you can have: -- A ... B ... C / base < \ -- D ... E ... F and toggle between any of the named snapshots at will. As Kashyap and others pointed out, libvirt support for reverting to a particular external snapshot is not fully present, so there are some manual steps involved, but the task is still doable. >=20 >> For the long answer to the complications involved in reverting to >> external snapshots, refer this (long read): >> >> https://wiki.libvirt.org/page/I_created_an_external_snapshot,_but_libv= irt_will_not_let_me_delete_or_revert_to_it >=20 > [...] >=20 --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --s7QSddNjm1g1HUb2VdmVUQEnKB3Crbiql Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJYtIAIAAoJEKeha0olJ0NqeQMH/ipSiDDC1/qtrtN0R25MJq3l TF01SALetmZ2RbInyJNQWbC+q8dMmeboxbZLNeHHQ/nIgfw2N4KOZbhOjLCwj2q4 JkJA0A20DYMzA3fC73f0NMVpqNkB6trxyTXaNaUWCDAXHp1lPUco8ExqhbRMxuER FM7dE2RCpZfs2z/8TfN3DyNcFi6jRsjL2YUhIa9SrfqMEQdTAEIcgoBdjSBeLPxB xq7Kvz+eWn5XzKbWfngcOuQUE4teoo4l/FSqJgh2K7weKmiaZ1Ycq5TvglKQqOCj Uz5hRlwphi7XzHe2OaAawscaIrWOpE7ODwX0bbzeTYr+pFLY1FhQWdU7yefo36k= =eR6/ -----END PGP SIGNATURE----- --s7QSddNjm1g1HUb2VdmVUQEnKB3Crbiql--