From owner-freebsd-fs@FreeBSD.ORG Mon Jun 16 16:24:53 2008 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E7392106564A; Mon, 16 Jun 2008 16:24:53 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net (cl-162.ewr-01.us.sixxs.net [IPv6:2001:4830:1200:a1::2]) by mx1.freebsd.org (Postfix) with ESMTP id 551E88FC17; Mon, 16 Jun 2008 16:24:53 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net (localhost [127.0.0.1]) by lor.one-eyed-alien.net (8.14.2/8.14.2) with ESMTP id m5GGPMFq031888; Mon, 16 Jun 2008 11:25:22 -0500 (CDT) (envelope-from brooks@lor.one-eyed-alien.net) Received: (from brooks@localhost) by lor.one-eyed-alien.net (8.14.2/8.14.2/Submit) id m5GGPMQ9031887; Mon, 16 Jun 2008 11:25:22 -0500 (CDT) (envelope-from brooks) Date: Mon, 16 Jun 2008 11:25:22 -0500 From: Brooks Davis To: Jeremy Chadwick Message-ID: <20080616162522.GA31835@lor.one-eyed-alien.net> References: <48532183.2040306@psg.com> <20080615192750.GA14559@eos.sc1.parodius.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="XsQoSWH+UP9D9v3l" Content-Disposition: inline In-Reply-To: <20080615192750.GA14559@eos.sc1.parodius.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (lor.one-eyed-alien.net [127.0.0.1]); Mon, 16 Jun 2008 11:25:22 -0500 (CDT) Cc: Randy Bush , freebsd-fs@freebsd.org Subject: Re: zfs dump to non-zfs host X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Jun 2008 16:24:54 -0000 --XsQoSWH+UP9D9v3l Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jun 15, 2008 at 12:27:50PM -0700, Jeremy Chadwick wrote: > On Sat, Jun 14, 2008 at 10:40:19AM +0900, Randy Bush wrote: > > currently, my dump server is a large non-zfs raid to which i use dump > > over ssh to a remote host, as in > >=20 > > /sbin/dump 0Luaf - /dev/twed0s1a | $SSH $BSYS "/bin/cat > $DDIR/base" > >=20 > > now i have a zfs host that i want to dump to this server. yes, i know i > > can snapshot on the zfs system itself. but what if it goes completely > > dead? it is in an earthquake zone, ... > >=20 > > /sbin/dump does not work, of course. > >=20 > > files created with zsend might not be decodable in a future version, so > > i can not zsend | to it. >=20 > The only two options I see are "zfs send" (which you've covered), and > using rsync for that host. We switched to rsync exclusively (regardless > of fuilesystem) due to dump -L becoming slower and slower over time on > UFS2 filesystems (a known problem), plus more or less deadlocking the > system while it makes the snapshot. Clearly someone needs to teach libarchive to speak zfs send-recieve so peop= le can save these things in tarballs. 1/2 :-) -- Brooks --XsQoSWH+UP9D9v3l Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (FreeBSD) iD8DBQFIVpPxXY6L6fI4GtQRAqvUAJ9kowrugZgyNLQedOimaBFiX3HuAACePFd3 wIgNX5J0aZj4gk/j+Xj6xho= =D/WZ -----END PGP SIGNATURE----- --XsQoSWH+UP9D9v3l--