Date: Wed, 17 Feb 2010 18:49:57 +0000 From: Pegasus Mc Cleaft <ken@mthelicon.com> To: freebsd-current@freebsd.org Cc: Chris <behrnetworks@gmail.com>, Scot Hetzel <swhetzel@gmail.com> Subject: Re: Seeing the dreaded "ZFS: i/o error - all block copies unavailable" on 9.0-CURRENT Message-ID: <201002171849.57567.ken@mthelicon.com> In-Reply-To: <64aa03031002171045k5251d0b2q34fb833d7e39566a@mail.gmail.com> References: <64aa03031002161803h667734cal4d668b9eb9c0a1a8@mail.gmail.com> <201002171840.41088.ken@mthelicon.com> <64aa03031002171045k5251d0b2q34fb833d7e39566a@mail.gmail.com>
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Chris, One other thing I just thought of... On all my machines, I have never used the /dev/gpt/ device.. I have always used the absolute name /dev/ada0p3, etc.. Peg On Wednesday 17 February 2010 18:45:47 Chris wrote: > 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 > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >
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