Date: Thu, 9 Jun 2011 00:59:39 +0200 From: "C. P. Ghost" <cpghost@cordula.ws> To: Marius Strobl <marius@alchemy.franken.de> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: HEADS UP: ZFS v28 merged to 8-STABLE Message-ID: <BANLkTimYAs7X2dYKO-KTKzoyxCc5YWjQ0w@mail.gmail.com> In-Reply-To: <20110608225556.GQ7064@alchemy.franken.de> References: <4DECB197.8020102@FreeBSD.org> <20110608211203.GA35440@alchemy.franken.de> <BANLkTi=apyQCK6p9zffK2=OsDXVQvZD8Fg@mail.gmail.com> <20110608225556.GQ7064@alchemy.franken.de>
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On Thu, Jun 9, 2011 at 12:55 AM, Marius Strobl <marius@alchemy.franken.de> wrote: > On Thu, Jun 09, 2011 at 12:46:19AM +0200, C. P. Ghost wrote: >> On Wed, Jun 8, 2011 at 11:12 PM, Marius Strobl >> <marius@alchemy.franken.de> wrote: >> > On Mon, Jun 06, 2011 at 12:53:11PM +0200, Martin Matuska wrote: >> >> Hi, >> >> >> >> I have merged ZFS version 28 to 8-STABLE (revision 222741) >> >> >> >> New major features: >> >> >> >> - data deduplication >> >> - triple parity RAIDZ (RAIDZ3) >> >> - zfs diff >> >> - zpool split >> >> - snapshot holds >> >> - zpool import -F. Allows to rewind corrupted pool to earlier >> >> ? transaction group >> >> - possibility to import pool in read-only mode >> >> >> >> For updating, there is a compatibility layer so that in the update phase >> >> most functionality of the new zfs binaries can be used with the old >> >> kernel module and old zfs binaries with the new kernel module. >> > >> > Beware that the compatibility layer is known broken on big-endian >> > architectures, i.e. powerpc64 and sparc64. >> >> Thanks for the heads-up! I was just about to update a couple of sparc64 >> machines here. Fortunately, the only ZFS file systems there are external >> file systems (no /, /usr, /var etc...), so it's gonna be painless, I suppose. >> But what about other layouts? Does it mean that an installkernel, reboot, >> and installworld won't work? > > No, using the old zfs binaries with the new kernel module triggers the > problem. Using the new zfs binaries with the new kernel module works > (at least with CURRENT) so you'd need disregard everything that is > documented and do what is not guaranteed to work but usually also does, > i.e. do installkernel, installworld and then reboot. Ah, yes, that's what I expected. Thank you! -cpghost. -- Cordula's Web. http://www.cordula.ws/
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