Date: Wed, 9 Sep 2015 09:47:00 -0453.75 From: "William A. Mahaffey III" <wam@hiwaay.net> To: freebsd-questions@freebsd.org Subject: Re: Storage question Message-ID: <55F0451A.5080709@hiwaay.net> In-Reply-To: <20150909145820.c3b48aafad4f70553c1c1fd8@sohara.org> References: <55EF3D23.5060009@hiwaay.net> <20150908220639.20412cbd@gumby.homeunix.com> <55EF5409.8020007@yahoo.com> <55EFC2DA.3020101@hiwaay.net> <08B351DD-AA48-4F30-B0D6-C500D0877FB3@lafn.org> <55F02DC8.7000706@hiwaay.net> <20150909150626.5c3b99e5.freebsd@edvax.de> <55F031A0.40500@hiwaay.net> <20150909145820.c3b48aafad4f70553c1c1fd8@sohara.org>
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On 09/09/15 09:04, Steve O'Hara-Smith wrote:
> On Wed, 9 Sep 2015 08:23:54 -0453.75
> "William A. Mahaffey III" <wam@hiwaay.net> wrote:
>
>> I like ZFS in principal (it's one of the things that attracted me to
>> FreeBSD about a year ago), but, as someone else noted, it seems to
>> require lots of RAM & possibly CPU for best effect. The MythTV box is an
>> AMD A4-5000, 1.5 GHz quad-core jaguar, w/ 16 GB of RAM, which isn't
> My house fileserver (erm NAS in modern speak) is a dual core Atom
> with 4GB. It manages a 4x2TB RAIDZ2 as well as a bunch of jails. According
> to top it has 2432M for ARC (3592M altogether is wired). Memory is tight
> but it's not swapping, and it doesn't no matter what the load. Switching to
> your spec would be a hefty upgrade and would almost certainly make things
> faster, but then most things can be made faster with an extra expenditure.
>
>> especially robusto by today's standards, so I am staying w/ UFS. Someone
> If you have the opportunity then benchmark ZFS and see, if you can
> run it the benefits are great.
>
I am quite amenable to running ZFS, I just don't want to have to abandon
it & return to UFS if my system proves inadequate for the task, hence my
caution about it. If I go to ZFS, I (*think* I) use it for the whole
drives, except for swap (possibly), & slice it up into
'partitions/slices/whatever' to do the install, right ? That was my
take-away from reading the online pages about it. Maybe I need to
rethink ....
--
William A. Mahaffey III
----------------------------------------------------------------------
"The M1 Garand is without doubt the finest implement of war
ever devised by man."
-- Gen. George S. Patton Jr.
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