Re: zfs version 13 kernel and zfs version 6 userland tool?

From: Goran Lowkrantz <glz_at_hidden-powers.com>
Date: Sun, 23 Nov 2008 21:24:08 +0100
--On Sunday, November 23, 2008 20:41 +0100 Alexander Leidinger 
<Alexander_at_Leidinger.net> 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.
>
> Bye,
> Alexander.
>
I had exactly the same problem but mount -t zfs worked so I mounted all ZFS 
filesystems and ran installworld with NO_FSCGH=true as the old zfs 
filesystem was version=1 and don't support flags until you have upgraded 
the filesystem  to version 3.

/glz
Received on Sun Nov 23 2008 - 19:43:21 UTC

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