[OmniOS-discuss] HGST 7K6000 for a RAIDZ2 pool

[Tobias Oetiker]

Today Tobias Oetiker wrote:

> Hi Marts,
>
> Yesterday Warren Marts wrote:
>
> > At some point sourcing true 512 B/sector disks will get more difficult and
> > expensive - unless you knew this filesystem is likely to see lots of small
> > writes and performance or space efficiency are critical I'd lean to the 4KB
> > sector disks.
>
> Amazingly, the new He6 drives from HGST only seem to exist in an
> 512n variant ... while the also new He8 drives only come in 4Kn and
> 512e types ...

also while on the subject, there is

https://github.com/zfsonlinux/zfs/issues/548
https://github.com/zfsonlinux/zfs/issues/1807

which would indicate that using 512n is probably a better choice in
an environment where we are using zvol a lot

cheers
tobi


>
>
> > On Wed, Feb 25, 2015 at 4:39 PM, Richard Elling <
> > richard.elling at richardelling.com> wrote:
> >
> > >
> > > > On Feb 25, 2015, at 3:17 PM, Tobias Oetiker <tobi at oetiker.ch> wrote:
> > > >
> > > > experts!
> > > >
> > > > If you were to buy 6TB disks for a RAIDZ2 Pool, would you go for
> > > > 512n like in the olden days, or use the new 4Kn.
> > > >
> > > > I know ZFS can deal with both ...
> > > >
> > > > So what would be your choice, and WHY?
> > >
> > > Better yet, what would be your requirements, then your choice, then why?
> > >  -- richard
> > >
> > > >
> > > > cheers
> > > > tobi
> > > >
> > > > --
> > > > Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
> > > > www.oetiker.ch tobi at oetiker.ch +41 62 775 9902
> > > >
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> > >
> >
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
www.oetiker.ch tobi at oetiker.ch +41 62 775 9902