Date: Wed, 17 Feb 2010 15:03:49 -0600 From: Scot Hetzel <swhetzel@gmail.com> To: Pegasus Mc Cleaft <ken@mthelicon.com> Cc: Chris <behrnetworks@gmail.com>, freebsd-current@freebsd.org Subject: Re: Seeing the dreaded "ZFS: i/o error - all block copies unavailable" on 9.0-CURRENT Message-ID: <790a9fff1002171303u4b40a90cr626ef856efee473b@mail.gmail.com> In-Reply-To: <201002171840.41088.ken@mthelicon.com> References: <64aa03031002161803h667734cal4d668b9eb9c0a1a8@mail.gmail.com> <790a9fff1002161842g17de8ecfvf2cfa8c77f03c32@mail.gmail.com> <64aa03031002161849s7b66b9e3l727aafd2afd3d596@mail.gmail.com> <201002171840.41088.ken@mthelicon.com>
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On Wed, Feb 17, 2010 at 12:40 PM, Pegasus Mc Cleaft <ken@mthelicon.com> wro= te: > Hello Chris, Scott & Current > > =A0 =A0 =A0 =A0I use gptzfsboot on my AMD64 (current) machine all the tim= e and also on > my laptop. I am not sure if this will cause the problem you are seeing bu= t I > know I ran into a lot of trouble depending on what type of pool I was > creating. > > =A0 =A0 =A0 =A0I believe this is correct, and if I am not than I apologis= e in advance, > but.... > > =A0 =A0 =A0 =A0If you are trying to boot off a linear type pool (A single= disk or a > mirror) your bootable filing system has to be a zfs filing system beneath= the > root pool (IE: zroot/boot). If you are trying to boot off a zraid pool, y= our > bootable filing system must be the root filing system of the pool (IE: zr= oot) > > =A0 =A0 =A0 =A0You must also include the appropriate declaration in the > /boot/loader.conf file: > > (for a zraid pool) > zfs_load=3D"YES" > vfs.root.mountfrom=3D"zfs:zpool" > > (for a linear type) > zfs_load=3D"YES" > vfs.root.mountfrom=3D"zfs:zpool/root" > > =A0 =A0 =A0 =A0If I try any other method, zboot explodes in a myriad of d= ifferent ways. > Not sure why your zboot explodes, but I use a single disk and only use the following in /boot/loader.conf: zfs_load=3D"YES" vfs.root.mountfrom=3D"zfs:zpool" it should work with either zfs:zpool or zfs:zpool/root. Scot
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