From owner-freebsd-fs@FreeBSD.ORG Mon Jul 8 20:09:01 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id D0B3B133 for ; Mon, 8 Jul 2013 20:09:01 +0000 (UTC) (envelope-from berend@pobox.com) Received: from smtp.pobox.com (b-pb-sasl-quonix.pobox.com [208.72.237.35]) by mx1.freebsd.org (Postfix) with ESMTP id 8DB3A1719 for ; Mon, 8 Jul 2013 20:09:01 +0000 (UTC) Received: from smtp.pobox.com (unknown [127.0.0.1]) by b-sasl-quonix.pobox.com (Postfix) with ESMTP id C64432E1A4; Mon, 8 Jul 2013 20:09:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=date :message-id:from:to:cc:subject:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s=sasl; bh=JLD0c3/QohyG3FYzb2Y5d4k/KFg=; b=A916SWVMEcDayQUPVGFI2PNJyQtV rrBqAwAOwDdtLQO9gMwTHo/LHAtHQBTmcb07KzmsXEXv3MQTTdloLkgP6X4f8oHP ZSATlzuo21KGLq2ego5IMn96BElemSoztLEmw/bF5HGuy0Kir5RurVgishMhUX6v Y7skQ+qNybKpWp8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=date:message-id :from:to:cc:subject:in-reply-to:references:mime-version :content-type:content-transfer-encoding; q=dns; s=sasl; b=Dk0Lqm 4Wiky6P4gXWoIQLw4mN7Caqd+QXw9j9Xq/WbT0srEeNiUQRPmWYwJw3QMw044JCh C3TwqlWSSHL0fjGov+qPAHRIwXAdDo215WYJaBXVyx8uNOJdkD4Thdgi9+qxYIWd 4CkAfZ25tzUyEoCne54jG95VKeMeWGIiDrdfg= Received: from b-pb-sasl-quonix.pobox.com (unknown [127.0.0.1]) by b-sasl-quonix.pobox.com (Postfix) with ESMTP id BA3E62E1A3; Mon, 8 Jul 2013 20:09:00 +0000 (UTC) Received: from bmach.nederware.nl (unknown [27.252.169.66]) by b-sasl-quonix.pobox.com (Postfix) with ESMTPA id 3C8742E19E; Mon, 8 Jul 2013 20:09:00 +0000 (UTC) Received: from quadrio.nederware.nl (quadrio.nederware.nl [192.168.33.13]) by bmach.nederware.nl (Postfix) with ESMTP id 5C5F45C55; Tue, 9 Jul 2013 08:08:53 +1200 (NZST) Received: from quadrio.nederware.nl (quadrio.nederware.nl [127.0.0.1]) by quadrio.nederware.nl (Postfix) with ESMTP id A8F8849FB97A; Tue, 9 Jul 2013 08:08:57 +1200 (NZST) Date: Tue, 09 Jul 2013 08:08:57 +1200 Message-ID: <8761wk24rq.wl%berend@pobox.com> From: Berend de Boer To: Will Andrews Subject: Re: EBS snapshot backups from a FreeBSD zfs file system: zpool freeze? In-Reply-To: References: <87li5o5tz2.wl%berend@pobox.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 EasyPG/1.0.0 Emacs/24.3 (i686-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) Organization: Xplain Technology Ltd MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: multipart/signed; boundary="pgp-sign-Multipart_Tue_Jul__9_08:08:57_2013-1"; micalg=pgp-sha256; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit X-Pobox-Relay-ID: 3A74C1CC-E80A-11E2-B383-E84251E3A03C-48001098!b-pb-sasl-quonix.pobox.com Cc: "freebsd-fs@freebsd.org" 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: Mon, 08 Jul 2013 20:09:01 -0000 --pgp-sign-Multipart_Tue_Jul__9_08:08:57_2013-1 Content-Type: text/plain; charset=US-ASCII >>>>> "Will" == Will Andrews writes: Will> zpool freeze is a debugging-only command, as the comment Will> suggests. It is not really of much use outside of testing Will> changes to ZIL code. Once run, the only thing you can do to Will> get normal I/O running again is to export the pool and Will> import it again. Right, so I might have screwed my server? It's only semi-production, but you're saying something is wrong with it right now? Does it not commit stuff to disk anymore? Because I might have screwed up some EBS snapshot tests as I tested this "zfs freeze" thing a few times. -- All the best, Berend de Boer ------------------------------------------------------ Awesome Drupal hosting: https://www.xplainhosting.com/ --pgp-sign-Multipart_Tue_Jul__9_08:08:57_2013-1 Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit Content-Description: OpenPGP Digital Signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) iQIcBAABCAAGBQJR2xxZAAoJEKOfeD48G3g525sQAM9AP8wWeqRzhBgHj8zTxrOS wxtufZyoguqy4EABCK0vauUhWc6rzM5gjuMOkUgywfUFB3uXnZPFKh/DfrHU3z1D 021ep66+9IDAX2hLj2PwgSD6KsKY+AasWzqYF4a2/VYtdaOECIRcMlu8MuTu6KP9 Wg6MyxZXQjJ48bLs1oH5Bh+Vs4dqrsGSyY4CTXS7jzS6GffeSTg946NCILn3kO/E lNYeHl/AXMYqaHMJA9Hamoi310CZ8waz0EYnkq+dUQfcC97BgR5S4ez9M4SphiRF xgeBagyWpjDz8t4da+4Si6FEz0uGUUZsaOUpt0fCpto7QBeuiR6e7skq7sKt69qr Jtk1jh2vZ66Wo6Wnjapo3zub0cjzyEKQw7wjfrkpnvMkEF1FE2bTNIvnN3HBqcIG uvqjoJ1yftLz2tNcj24Mn3MFP1Z19GxC5ajtWWnj4ctEDPTAAGzheybeCFpXsvI9 7NEtVjvsbWZIiQjIxnzmJBGIU7lQCSic2w8t+NKAmOpfnNLZ+q62SEM2pPthx8gU j9p7n2HNS9T5DferYAjys0n0NMMn2yLoQKfiey/JyZaNSoTFyngB+q5E6UY+dUlp cmoOOXqysVzAExzGNxUyW2IFOX1eVT0TtxbplemYtlZJm2yHLgB5/PMtfX7kOKoE nAb4LJJMNWgAE8QiJXC7 =5oi8 -----END PGP SIGNATURE----- --pgp-sign-Multipart_Tue_Jul__9_08:08:57_2013-1--