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zfs & gmirror == DIRTY mirror on reboot
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Slawa Olhovchenkov  
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 More options Apr 11 2012, 10:12 am
Newsgroups: mpc.lists.freebsd.fs, muc.lists.freebsd.fs
From: Slawa Olhovchenkov <s...@zxy.spb.ru>
Date: Wed, 11 Apr 2012 18:12:43 +0400
Local: Wed, Apr 11 2012 10:12 am
Subject: zfs & gmirror == DIRTY mirror on reboot
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Can some one fixing kern/113957#replay4?
Creating ZFS over gmirror causing gmirror DIRTY on correct reboot.
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krad  
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 More options Apr 12 2012, 4:34 am
Newsgroups: mpc.lists.freebsd.fs, muc.lists.freebsd.fs
From: krad <kra...@gmail.com>
Date: Thu, 12 Apr 2012 09:34:47 +0100
Local: Thurs, Apr 12 2012 4:34 am
Subject: Re: zfs & gmirror == DIRTY mirror on reboot
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On 11 April 2012 15:12, Slawa Olhovchenkov <s...@zxy.spb.ru> wrote:

> Can some one fixing kern/113957#replay4?
> Creating ZFS over gmirror causing gmirror DIRTY on correct reboot.
> _______________________________________________
> freebsd...@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
> To unsubscribe, send any mail to "freebsd-fs-unsubscr...@freebsd.org"

this seams like a bizarre configuration. Why not let zfs do the
mirroring as its more efficient in many ways?
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Slawa Olhovchenkov  
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 More options Apr 12 2012, 4:40 am
Newsgroups: mpc.lists.freebsd.fs, muc.lists.freebsd.fs
From: Slawa Olhovchenkov <s...@zxy.spb.ru>
Date: Thu, 12 Apr 2012 12:40:06 +0400
Local: Thurs, Apr 12 2012 4:40 am
Subject: Re: zfs & gmirror == DIRTY mirror on reboot
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On Thu, Apr 12, 2012 at 09:34:47AM +0100, krad wrote:
> On 11 April 2012 15:12, Slawa Olhovchenkov <s...@zxy.spb.ru> wrote:
> > Can some one fixing kern/113957#replay4?
> > Creating ZFS over gmirror causing gmirror DIRTY on correct reboot.
> > _______________________________________________
> > freebsd...@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-fs
> > To unsubscribe, send any mail to "freebsd-fs-unsubscr...@freebsd.org"

> this seams like a bizarre configuration. Why not let zfs do the
> mirroring as its more efficient in many ways?

I am need to reliable boot (toleranted to bad blocks in boot area, boot1/boot2).
reliable boot => mirror in bios.
PREC S100 don't have on-disk information about mirror => gmirror on OS
level.
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Peter Maloney  
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 More options Apr 12 2012, 4:58 am
Newsgroups: mpc.lists.freebsd.fs, muc.lists.freebsd.fs
From: Peter Maloney <peter.malo...@brockmann-consult.de>
Date: Thu, 12 Apr 2012 10:58:01 +0200
Local: Thurs, Apr 12 2012 4:58 am
Subject: Re: zfs & gmirror == DIRTY mirror on reboot
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On 04/12/2012 10:40 AM, Slawa Olhovchenkov wrote:
> On Thu, Apr 12, 2012 at 09:34:47AM +0100, krad wrote:

>> On 11 April 2012 15:12, Slawa Olhovchenkov<s...@zxy.spb.ru>  wrote:
>>> Can some one fixing kern/113957#replay4?
>>> Creating ZFS over gmirror causing gmirror DIRTY on correct reboot.
>> this seams like a bizarre configuration. Why not let zfs do the
>> mirroring as its more efficient in many ways?
> I am need to reliable boot (toleranted to bad blocks in boot area, boot1/boot2).
> reliable boot =>  mirror in bios.
> PREC S100 don't have on-disk information about mirror =>  gmirror on OS
> level.

What's wrong with mirroring your / and /boot with zfs, and then if the
bootcode blocks get broken, just do the bootcode commands again:
gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0
gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da1

gmirroring your bootcode won't do anything more than this would, since
it is static content. (Or are you not talking about bootcode?)

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