Date: Sun, 23 Nov 2008 21:46:01 +0100 From: "Alexey Shuvaev" <shuvaev@physik.uni-wuerzburg.de> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: current@freebsd.org Subject: Re: zfs version 13 kernel and zfs version 6 userland tool? Message-ID: <20081123204600.GA69165@wep4035.physik.uni-wuerzburg.de> In-Reply-To: <20081123204141.25414fy2r5tofx8g@webmail.leidinger.net> References: <20081123204141.25414fy2r5tofx8g@webmail.leidinger.net>
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On Sun, Nov 23, 2008 at 08:41:41PM +0100, Alexander Leidinger wrote: > Hi, > > I just half-updated a system to -current from today. This means I booted > todays kernel with the old world. > > Is an old zfs userland tool supposed to work correctly with a recent > kernel? All I get is "internal error: out of memory" when I try a zfs > list (I noticed a problem as no zfs is mounted). I haven't read anything > like it shouldn't work on the mailinglist (as this is the normal way of > updating), so here are the loader.conf settings I use: > ---snip--- > vfs.zfs.prefetch_disable=1 > vm.kmem_size="700M" > vm.kmem_size_max="700M" > vfs.zfs.arc_max="160M" > vfs.zfs.vdev.cache.size="5M" > ---snip--- > > This i386 system has 768MB of memory. > > Luckily /usr/src is not on ZFS, so I can install the new world if I want > to. But t be able to go back to the old kernel if necessary, I prefer to > not blindly update to the new world, except I get a message which tells > that it will fix my ZFS problem for sure. > Hello! Have a look at http://lists.freebsd.org/pipermail/freebsd-current/2008-August/087391.html I have just upgraded FreeBSD-CURRENT i386 residing on external USB drive. The whole system is the classical / on UFS2 and /var, /tmp, /usr on UFS2 + SU design, only media files (music, films, photos) are on zfs. I mount zfs on demand by 'zpool import tank'. I even haven't tried to play with zfs during single user mode. After full upgrade I have done zpool import tank zpool upgrade -a zfs upgrae -a and all seems to work fine... YMMV, of course :) Just my 0.02$, Alexey.
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