Storage question

William A. Mahaffey III wam at
Wed Sep 9 14:41:33 UTC 2015

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 at> 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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