Date: Mon, 28 Feb 2011 19:12:26 +0100 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Ruslan Yakovlev <quazi@bk.ru> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS, booting trouble Message-ID: <20110228181226.GA2288@garage.freebsd.pl> In-Reply-To: <4D6B8618.40205@bk.ru>
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On Mon, Feb 28, 2011 at 01:25:12PM +0200, Ruslan Yakovlev wrote:
> Hi
>
> I install 8.2-RELEASE root on ZFS with GPT and all works fine if I don't
> use zpool export.
> FreeBSD can't boot if bootable pool exported (when we unmount zfs after
> installation finished or when we connect disk to other machine for data
> copy):
> gptzfsboot: No ZFS pools located, can't boot
>
> Now it can be fixed (zpool imported) only from other machine/OS/boot device.
> Can bootable pool will be protected from full export?
In the recent ZFSv28 import I changed that. Now only destroyed pools are
skipped, so you can boot off of exported pool.
If you want to do it now in FreeBSD 8.x try this patch:
Index: sys/boot/zfs/zfsimpl.c
===================================================================
--- sys/boot/zfs/zfsimpl.c (wersja 218013)
+++ sys/boot/zfs/zfsimpl.c (kopia robocza)
@@ -814,17 +814,8 @@
return (EIO);
}
-#ifndef TEST
- if (val != POOL_STATE_ACTIVE) {
- /*
- * Don't print a message here. If we happen to reboot
- * while where is an exported pool around, we don't
- * need a cascade of confusing messages during boot.
- */
- /*printf("ZFS: pool is not active\n");*/
+ if (val == POOL_STATE_DESTROYED)
return (EIO);
- }
-#endif
if (nvlist_find(nvlist,
ZPOOL_CONFIG_POOL_TXG,
You need to recompile gptzfsboot and install it with gpart(8).
--
Pawel Jakub Dawidek http://www.wheelsystems.com
FreeBSD committer http://www.FreeBSD.org
Am I Evil? Yes, I Am! http://yomoli.com
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