Date: Wed, 4 May 2011 23:22:53 +0100 From: krad <kraduk@gmail.com> To: Guido Falsi <mad@madpilot.net> Cc: freebsd-fs@freebsd.org Subject: Re: zfs/zpool upgrade required? Message-ID: <BANLkTikwjaWa8XMh12E_cgpLv4hMhKiC=A@mail.gmail.com> In-Reply-To: <4DC1CACF.8050506@madpilot.net> References: <4DC13260.4020905@bytecamp.net> <20110504115540.GA88625@icarus.home.lan> <4DC1CACF.8050506@madpilot.net>
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On 4 May 2011 22:53, Guido Falsi <mad@madpilot.net> 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 <mad@madpilot.net> > > _______________________________________________ > 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/ <http://people.freebsd.org/~pjd/zfsboot/>;
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