Date: Thu, 28 Apr 2011 17:06:19 +0100 From: Tom Evans <tevans.uk@googlemail.com> To: Pete French <petefrench@ingresso.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: correct way to setup gmirror on 7.4? Message-ID: <BANLkTi=1_aaZ6LVv632kWKXr14eDtFYA8Q@mail.gmail.com> In-Reply-To: <E1QFTMy-000JA0-9I@dilbert.ingresso.co.uk> References: <BANLkTimAxZNrT63kDOPTN%2Bq1wOoQqf3Q5g@mail.gmail.com> <E1QFTMy-000JA0-9I@dilbert.ingresso.co.uk>
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On Thu, Apr 28, 2011 at 4:43 PM, Pete French <petefrench@ingresso.co.uk> wrote:
> Is not the problem here that you are trying to GPT label a gmirrored disc ?
> If you instead gmirror two GPT partitions then the problem goes away
> doesnt it ? Thats how I set things up - use parititoning on the ohysical
> drives, and then put the mirroring into the partitions thus created.
> Works fine, and doesnt suffer from any of the afforementioned problems.
>
> -pete.
Is this simple to do? When I setup my home ZFS server, I couldn't get
it to boot from ZFS, so I configured 2 disks as 'boot' discs:
=> 34 2930277101 ada5 GPT (1.4T)
34 128 1 (null) (64K)
162 12582912 2 root (6.0G)
12583074 2917694061 3 samsung15-1 (1.4T)
The other 'boot' disc is configured the same, except it has
altroot/samsung15-2 labels on the UFS/ZFS GPT partitions (the other 4
discs have a corresponding 6 GB partition for swap/dumps).
However, this is as far as I got. I currently have
vfs.root.mountfrom="ufs:/dev/gpt/root", and I'd like to gmirror 'root'
onto 'altroot', without overwriting GPT labels or anything dangerous!
Cheers
Tom
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