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Date:      Wed, 16 Jul 2014 14:39:29 +0100
From:      RW <rwmaillists@googlemail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: deciding UFS vs ZFS
Message-ID:  <20140716143929.74209529@gumby.homeunix.com>
In-Reply-To: <CALfReyf8Rg7rCcob4jSk9XbPLY0MpP52jno9vZ0GUFQGS0Vy-A@mail.gmail.com>
References:  <20140713190308.GA9678@bewilderbeast.blackhelicopters.org> <20140714071443.42f615c5@X220.alogt.com> <53C326EE.1030405@my.hennepintech.edu> <20140714111221.5d4aaea9@X220.alogt.com> <20140715143821.23638db5@gumby.homeunix.com> <CALfReyf8Rg7rCcob4jSk9XbPLY0MpP52jno9vZ0GUFQGS0Vy-A@mail.gmail.com>

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On Wed, 16 Jul 2014 09:27:59 +0100
krad wrote:

> UFS with SU+J surely, gjournal is now depreciated in 9.x onwards

In common with a lot of people I don't have much faith in SU+J. Do you
have a source for gjournal being deprecated? I don't see any mention of
it in the man page. 


> Its your choice of course, but the spreading around argument doesn't
> hold water as all file systems will do that over time, and what you
> are implying is you will only ever use a small % of the drive.

I don't understand why you think that. My point was that losing random
files from everything can be far more disruptive than losing files from
a single mountpoint.


> zfs will happily rocket along with 16gb if its a desktop system

I was really more interested in whether ZFS (with ARC) is faster than
UFS with FreeBSD's own file caching. A lot of people say that putting
an OS on SSD gives a significant speed-up. 16GB should be more than
enough to keep the important system files in memory, so it sounds like
smarter caching might be useful.



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