On Sun, 28 Dec 2014, Dr Josef Karthauser wrote:> On 27 Dec 2014, at 22:57, Warren Block <wblock at wonkity.com> wrote: > >> On Sat, 27 Dec 2014, Dr Josef Karthauser wrote: >> >>> I only have 'zfs_load=?YES?? in my /boot/loader.conf. I?m hoping the problem is that I missed the ?-a4k? on the ?gpart add?. I?m starting again and will report back whether it now works or not! :). >> >> Misalignment just makes for slow performance, particularly on writes. >> > > Ok, fixed. With -a4k is it now booting. Looks like the partitions weren?t aligned!Alignment alone should not have fixed it. While misaligned drives give poor performance, they should still work.
On 28 Dec 2014 at 7:44:29 pm GMT, Warren Block <wblock at wonkity.com>
wrote:
> On Sun, 28 Dec 2014, Dr Josef Karthauser wrote:
>
> > On 27 Dec 2014, at 22:57, Warren Block <wblock at wonkity.com>
wrote:
> >
> >> On Sat, 27 Dec 2014, Dr Josef Karthauser wrote:
> >>
> >>> I only have 'zfs_load=?YES?? in my /boot/loader.conf. I?m
hoping the problem is that I missed the ?-a4k? on the ?gpart add?. I?m starting
again and will report back whether it now works or not! :).
> >>
> >> Misalignment just makes for slow performance, particularly on
writes.
> >>
> >
> > Ok, fixed. With -a4k is it now booting. Looks like the partitions
weren?t aligned!
>
> Alignment alone should not have fixed it. While misaligned drives give
poor performance, they should still work.
Alas, they weren't. I tried several times with differing pool
configurations.
Joe
On 28/12/2014 19:44, Warren Block wrote:> On Sun, 28 Dec 2014, Dr Josef Karthauser wrote: > >> On 27 Dec 2014, at 22:57, Warren Block <wblock at wonkity.com> wrote: >> >>> On Sat, 27 Dec 2014, Dr Josef Karthauser wrote: >>> >>>> I only have 'zfs_load=?YES?? in my /boot/loader.conf. I?m hoping >>>> the problem is that I missed the ?-a4k? on the ?gpart add?. I?m >>>> starting again and will report back whether it now works or not! :). >>> >>> Misalignment just makes for slow performance, particularly on writes. >>> >> >> Ok, fixed. With -a4k is it now booting. Looks like the partitions >> weren?t aligned! > > Alignment alone should not have fixed it. While misaligned drives > give poor performance, they should still work.Indeed, possibly a bad BIOS? Regards Steve