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Date:      Fri, 5 Apr 2019 15:37:57 -0400
From:      Mike Tancsa <>
To:        freebsd-questions <>
Subject:   Re: mounting from zfs:zroot/ROOT/default failed with error 45
Message-ID:  <>
In-Reply-To: <>
References:  <> <>

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On 4/5/2019 9:43 AM, Mike Tancsa wrote:
> On 4/5/2019 9:00 AM, Mike Tancsa wrote:
>> I have a couple of ZFS boxes I want to upgrade from RELENG_10 to
>> RELENG_11 and before doing it, I wanted to clone them into a VM to tes=
>> out the upgrades. In the past, this was easy enough using actual
>> hardware. However, I cant seem to get it going in a VM. I tried doing
>> the following steps
> Actually, I wonder if the issue is that I am doing the zpool create on =
> RELENG_12 box.... So when I try and boot that zpool that was freshly
> created on RELENG_12 with a RELENG_10 kernel, I am running into issues.=

It does seem to be a zfs version issue which kinda makes sense. If I
create the zfs image on a RELENG10 vm it works.=C2=A0 The only issue is t=
its quite slow to do on the VM as its a LOT of disk IO.=C2=A0 Is there a =
to create an older version of a zfs file system on a newer version of
FreeBSD so I can get the best of both worlds ?

=C2=A0=C2=A0=C2=A0 ---Mike

Mike Tancsa, tel +1 519 651 3400 x203
Sentex Communications,
Providing Internet services since 1994
Cambridge, Ontario Canada  =20

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