Gpart and gmirror 8.2 from 18 januari
Johan at double-l.nl
Fri Jan 21 12:56:11 UTC 2011
Ok the funny thing is, i get the same error on 8.1 Release (the corrupt error), but it boots, and all seems to work.
But i will try the option by First create the mirror and the the gpt partitions.
Van: owner-freebsd-stable at freebsd.org [mailto:owner-freebsd-stable at freebsd.org] Namens Ivan Voras
Verzonden: vrijdag 21 januari 2011 12:19
Aan: freebsd-stable at freebsd.org
Onderwerp: Re: Gpart and gmirror 8.2 from 18 januari
On 19/01/2011 12:30, Johan Hendriks wrote:
> Hello all, i used to have disk configured with gpart and gmirror.
> But with the latest 8.2, my server will not boot anymore if i label the
> disk with gmirror.
> Gpart status
> Name Status Components
> ad4p1 OK ad4
> Then i do a gmirror label -v -b load gm0 /dev/ad4
> Edit /etc/fstab
> And change /dev/ad4px to /dev/mirror/gm0px
> I reboot, and it hangs when tring to Mount the root device.
> I get an error about an corrupt gpt label.
Yes, GPT has the unfortunate property that it records its data both at
the beginning of a drive and at the end, so you cannot use it this way
(because gmirror wants the last sector for itself).
I haven't tried it but I think from the GPT specification that it
records where the secondary table is, so maybe you could do it the other
way around: first do a gmirror configuration, then create GPT partitions
within the gmirror device (i.e. on /dev/mirror/gm0, not on /dev/ad4).
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