What are you doing for home NAS?
Jerry Feldman
gaf at blu.org
Mon Dec 30 11:53:05 EST 2013
I assume you are still using your FreeNAS system. What file system are
you using, ZFS?
On 12/30/2013 10:56 AM, John Abreau wrote:
> Even if the MyBook Live turns out to be more reliable than I'd expect,
> that doesn't negate the poor performance of the unit, especially when
> it's accessed simultaneously by multiple clients. With my usage
> patterns, that limitation is extremely noticeable.
>
>
> On Mon, Dec 30, 2013 at 10:18 AM, Ken D'Ambrosio <ken at jots.org
> <mailto:ken at jots.org>> wrote:
>
> On 2013-12-30 09:41, John Abreau wrote:
> > After trying FreeNAS, I'd no longer consider the consumer-level
> drives
> > such the MyBook Live as serious options.
>
> I think this stance is a little overly cautious; there is data
> showing
> that consumer drives don't fail at rates significantly different than
> "server-grade" drives -- e.g.,
> http://blog.backblaze.com/2013/12/04/enterprise-drive-reliability/
> (though I also remember studies done on significantly larger
> datasets a
> couple years ago, but they aren't leaping at me from Google). What I
> *have* found to be troublesome is that some RAID solutions don't
> handle
> drives that spin down very well. For this reason, I tend to either go
> with "server-grade" drives, or really do my homework, and find drives
> that work with the solution (e.g., 3Ware has -- or, at least, had
> -- an
> approved hardware list that I find useful). But I think that, with a
> suitable amount of caution, there's money to be saved here without
> loss
> of functionality or increased risk of data loss.
>
> $.02,
>
> -Ken
>
> P.S. One thing I should add here, just from a
> hoo-boy-did-I-stub-my-toe
> perspective: as a rule, I usually have my arrays use just a leeeeetle
> bit less than the whole disk. I had a large RAID-5 array once,
> and one
> of the drives failed. I got it RMA'd *with the same model number*
> from
> the manufacturer... and it was one sector smaller. THAT was annoying.
>
>
> > On Mon, Dec 30, 2013 at 9:05 AM, Mark Komarinski
> > <mkomarinski at wayga.org <mailto:mkomarinski at wayga.org>> wrote:
> >
> >> On 12/30/2013 1:00 AM, John Abreau wrote:
> >>> I tried a couple cheaper options such as the WD MyBook Live
> >> network
> >>> drive, but I wasn't really satisfied with them, They were slow to
> >>> access, slow to spin up when inactive, and had serious
> >> performance
> >>> issues when more than one process was accessing them over NFS,
> >> which
> >>> was the only filesharing option I used. They contained just a
> >> single
> >>> drive, which means no raid-1 safety net when the disk starts to
> >> go bad.
> >>>
> >> After getting burned by non-NAS drives in a RAID 5 array, I'm going
> >> RAID
> >> 1 for home use from now on.
> >>
> >>> Then I picked up an HP N40L mini cube server and installed FreeNAS
> >> on
> >>> it, on a usb thumb drive that I plugged into the internal USB
> >> port on
> >>> the motherboard. It was the first NAS I've tried at home that I
> >> was
> >>> happy with.Performance is much better, even with multiple
> >> processes
> >>> accessing the unit, and large file copies both to and from the
> >> unit
> >>> seem to complete more quickly.
> >> Ooh. I forgot about that little guy. Replacement for is seems
> >> to be
> >> the N54L. Fits 4 drives, might just get 2x4TB and leave the other
> >> two
> >> for future expansion.
> >>
> >>> I'm currently using two of the four drive slots with a pair of 2gb
> >>> drives, configured with ZFS as a raid-1 mirror set. To properly
> >>> support ZFS, I followed the recommendations in the HOWTO I found
> >>> online and maxed out the RAM at 8 GB.
> >>>
> >>> It's been a couple years since I set it up, so I imagine there's
> >> a
> >>> newer model available by now that will accept larger drives and
> >> more RAM.
> >>>
> >>> After trying FreeNAS, I'd no longer consider the
> >>>
> >> Err, you cut off there...
> >>
> >> -Mark
> >> _______________________________________________
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> >> http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss/ [1]
> >
> > --
> >
> > John Abreau / Executive Director, Boston Linux & Unix
> > Email jabr at blu.org <mailto:jabr at blu.org> / WWW
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> >
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> >
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>
>
> --
> John Abreau / Executive Director, Boston Linux & Unix
> Email jabr at blu.org <mailto:jabr at blu.org> / WWW http://www.abreau.net /
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--
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix
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