From owner-freebsd-fs@FreeBSD.ORG Mon Feb 10 19:40:12 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 378DBB2F for ; Mon, 10 Feb 2014 19:40:12 +0000 (UTC) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 069E410BA for ; Mon, 10 Feb 2014 19:40:11 +0000 (UTC) Received: from compute3.internal (compute3.nyi.mail.srv.osa [10.202.2.43]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id 448BC20F52 for ; Mon, 10 Feb 2014 14:40:10 -0500 (EST) Received: from web3 ([10.202.2.213]) by compute3.internal (MEProxy); Mon, 10 Feb 2014 14:40:10 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=message-id:from:to:mime-version :content-transfer-encoding:content-type:in-reply-to:references :subject:date; s=smtpout; bh=/uabMzetIX3rZMQ0n2ZqiqbRDpg=; b=shA g9w5I06C8YjtyhRE9Kl3NTHcW5C+QKdIdvKeIHbUhBrPNysdCfh+fScIPCTGPMuw Nsv8JW++zArCvVck2wkwS3vZtzCMisR1ZrdiweaNNYVOdsteEgsAfGzGuc//RVc5 pQrsebSDQytI4VYRE21kt/473dKEcKf+gIKZXkgw= Received: by web3.nyi.mail.srv.osa (Postfix, from userid 99) id 1CCEF114717; Mon, 10 Feb 2014 14:40:10 -0500 (EST) Message-Id: <1392061210.4086.81684261.0AED389C@webmail.messagingengine.com> X-Sasl-Enc: SQnaIORZepO20BftqnyLkQIt/cjky84XYZtDTDPexz38 1392061210 From: Mark Felder To: freebsd-fs@freebsd.org MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-Mailer: MessagingEngine.com Webmail Interface - ajax-e72899be In-Reply-To: References: Subject: Re: Greetings Noble BSD Gods Date: Mon, 10 Feb 2014 13:40:10 -0600 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Feb 2014 19:40:12 -0000 On Mon, Feb 10, 2014, at 13:30, Dan Uber wrote: > I am but a simple mortal respectfully inquiring about the future > potential > of the ZFS spacemap_histogram feature offering write support. > > I have a 30TB array that was spawned in FreeNAS (foolish mistake, yes, I > know) that I would really love to migrate to FreeBSD 10, but I'm getting > the following when I try to import it. > > root@Galaxy:/home/ub3r # zpool import Galaxy > This pool uses the following feature(s) not supported by this system: > com.delphix:spacemap_histogram (Spacemaps maintain space > histograms.) > All unsupported features are only required for writing to the pool. > The pool can be imported using '-o readonly=on'. > cannot import 'Galaxy': unsupported version or feature > > At first I thought this might be something easy to implement myself, then > I > was informed that only the FreeBSD-FS Overlords are capable of dabbling > in > such witchcraft. > > Thank you for your time, I greatly appreciate it. > Did FreeNAS patch in spacemap_histogram before we did? I'm aware it exists in head/CURRENT, but didn't notice until now that it's missing from FreeBSD 10.