Date: Wed, 17 Feb 2010 13:45:47 -0500 From: Chris <behrnetworks@gmail.com> To: Pegasus Mc Cleaft <ken@mthelicon.com> Cc: Scot Hetzel <swhetzel@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: <64aa03031002171045k5251d0b2q34fb833d7e39566a@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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Pegasus, Thanks for the tip. I'll give it a shot. If it is the case, then the RootOnZFS wiki guides need to be updated to account for that. They all currently say to use vfs.root.mountfrom="zfs:zroot" in loader.conf Thanks, Chris On Wed, Feb 17, 2010 at 1:40 PM, Pegasus Mc Cleaft <ken@mthelicon.com> wrote: > Hello Chris, Scott & Current > > I use gptzfsboot on my AMD64 (current) machine all the time and also on > my laptop. I am not sure if this will cause the problem you are seeing but I > know I ran into a lot of trouble depending on what type of pool I was > creating. > > I believe this is correct, and if I am not than I apologise in advance, > but.... > > If 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, your > bootable filing system must be the root filing system of the pool (IE: zroot) > > You must also include the appropriate declaration in the > /boot/loader.conf file: > > (for a zraid pool) > zfs_load="YES" > vfs.root.mountfrom="zfs:zpool" > > (for a linear type) > zfs_load="YES" > vfs.root.mountfrom="zfs:zpool/root" > > If I try any other method, zboot explodes in a myriad of different ways. > > I hope this helps > Peg > > > On Wednesday 17 February 2010 02:49:56 Chris wrote: >> Scot, >> >> I did, as part of step 7 in section 1: >> >> 7. Create ZFS Pool zroot >> >> Fixit# mkdir /boot/zfs >> Fixit# zpool create zroot /dev/gpt/disk0 >> Fixit# zpool set bootfs=zroot zroot >
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