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From: John Baldwin <jhb@freebsd.org>
To: freebsd-stable@freebsd.org
Subject: Re: gptzfsboot: error 4 lba 30
Date: Tue, 2 Apr 2013 17:07:14 -0400
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 (bigwig.baldwin.cx); Tue, 02 Apr 2013 17:08:10 -0400 (EDT)
Cc: Kai Gallasch <gallasch@free.de>
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On Monday, March 25, 2013 7:52:04 am Kai Gallasch wrote:
> Hi.
> 
> On one of my fresh installed servers I am seeing the following output during 
boot:
> 
> gptzfsboot: error 4 lba 30
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 30
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 31
> gptzfsboot: error 4 lba 31

Humm, do you have disks that the BIOS sees that are small?  An error code of 4
means 'sector not found' or 'read error'.  It would be interesting to see the
output of 'lsdev -v' from the loader prompt.

-- 
John Baldwin