From owner-freebsd-fs@FreeBSD.ORG Wed May 4 22:22:55 2011 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 5DAC8106566C for ; Wed, 4 May 2011 22:22:55 +0000 (UTC) (envelope-from kraduk@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id DF48D8FC19 for ; Wed, 4 May 2011 22:22:54 +0000 (UTC) Received: by wyf23 with SMTP id 23so1577987wyf.13 for ; Wed, 04 May 2011 15:22:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=5U87xPT7kftVWpe1r83YYldlNG5wF/Q92ONSz0dtDrM=; b=QPQq4YV3VyOPckWNbFCipNmlmsTI5dFC5dQt2aPCKMj6nw3lbYu43EsGF3wQgdPGuQ lxxmqwwpqeFxWSrQGDMZCR8ECS/k1XgukHAuOgOqE3M9w4DyXoGHELcRtIYYSl8WPvPS x/2CniLSw5n7h26RHdiWvgDJyTCTL/EZUIWaw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=QzteNB05WhABHmX2R0nR3ELc1sgBtm48SfY6zNelFjlG5glbf+978UzFuhNm68Q9K2 ESTQCAz4ckXknGnuhe8hdga5Ew5kI1hUALvNhG7D3PlSU0VQNxHfbCwKVRGopbFXOVHA ZAx/bCMO+mV3z17vk9FEA9vBRCGoFiuRgQC2g= MIME-Version: 1.0 Received: by 10.216.143.96 with SMTP id k74mr5464758wej.100.1304547773684; Wed, 04 May 2011 15:22:53 -0700 (PDT) Received: by 10.216.15.73 with HTTP; Wed, 4 May 2011 15:22:53 -0700 (PDT) In-Reply-To: <4DC1CACF.8050506@madpilot.net> References: <4DC13260.4020905@bytecamp.net> <20110504115540.GA88625@icarus.home.lan> <4DC1CACF.8050506@madpilot.net> Date: Wed, 4 May 2011 23:22:53 +0100 Message-ID: From: krad To: Guido Falsi Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-fs@freebsd.org Subject: Re: zfs/zpool upgrade required? 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: Wed, 04 May 2011 22:22:55 -0000 On 4 May 2011 22:53, Guido Falsi wrote: > On 05/04/11 13:55, Jeremy Chadwick wrote: > >> On Wed, May 04, 2011 at 01:02:56PM +0200, Robert Schulze wrote: >> >>> when upgrading from 8.0 to 8-STABLE, kernel and userland support new >>> versions of ZFS pool and filesystem. >>> >>> Is it _required_ to upgrade existing pools and filesystems or can >>> that be done anytime later? >>> >> >> - It can be done later, though by not upgrading you lose the ability to >> use newer features. For a list of what those are, refer to the >> official OpenSolaris docs. See menu on left side, near bottom: >> >> http://hub.opensolaris.org/bin/view/Community+Group+zfs/whatis >> >> - Make sure to note that the pool version and the filesystem version are >> separate. Some folks remember to "zpool upgrade" but not "zfs upgrade". >> >> - Remember that upgrading is one-way; you cannot roll back to an older >> version without destroying your pools. If you're worried, do full >> backups beforehand. >> >> > I'd add, if he's booting off of zfs, that it is very important to upgrade > the boot code as soon as he upgrades the pool or he will have trouble > booting the system which could be a pain to recover at that point. > > -- > Guido Falsi > > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > yep, probably worth using these for the time being as they are the most uptodate boot code bits http://people.freebsd.org/~pjd/zfsboot/