After installing a ZFS only build, machine won't complete POST

krad kraduk at googlemail.com
Wed Dec 30 16:32:58 UTC 2009


2009/12/30 Dan Nelson <dnelson at allantgroup.com>

> In the last episode (Dec 29), John Terrell said:
> > Has anyone seen this?  I've just installed a ZFS only build following the
> > instructions at (http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot).  After
> > rebooting after the install, the POST won't complete (it appears to be
> > looking at the disks for something).  If I unplug the drives and reboot,
> > POST completes.  If I then destroy the GPT partitions and install MBR, I
> > can now get past POST (but with a corrupted installation that won't
> boot).
> >
> > Some info:
> > Motherboard: MSI Neo2
> > Disks:  2x 500GB Seagates (I created a mirrored pool during
> installation).
> >
> > Could this just be a crappy BIOS issue?
>
> Possibly.  Unless your BIOS is very new it's unlikely to support GPT.
>
> > I'd hate to have to scrap GPT/ZFS and go back to MBR/UFS.
>
> ZFS works just fine inside an MBR partition, as long as your disks fit the
> 2TB limit (yours do).
>
> --
>        Dan Nelson
>        dnelson at allantgroup.com
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I agree sometime its just easier to take the path of less resistance and go
for MBR. It wont affect and data drives/pools you have as you would probably
add them as raw devices without partitioning


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