Date: Mon, 15 Jul 2019 17:15:51 +0100 From: Steve O'Hara-Smith <steve@sohara.org> To: freebsd-questions@freebsd.org Subject: Re: dead slow update servers Message-ID: <20190715171551.4398e18aae6b91e2ee01333c@sohara.org> In-Reply-To: <871ryrl4vz.fsf@toy.adminart.net> References: <87sgrbi3qg.fsf@toy.adminart.net> <20190712171910.GA25091@neutralgood.org> <871ryuj3ex.fsf@toy.adminart.net> <CAGLDxTW8zw2d%2BaBGOmBgEhipjq6ocn536fH_NScMiDD7hD=eSw@mail.gmail.com> <874l3qfvqw.fsf@toy.adminart.net> <20190714011303.GA25317@neutralgood.org> <87v9w58apd.fsf@toy.adminart.net> <0ed2aef9-0cb8-b7ab-711e-34f139c60285@osfux.nl> <87zhlgqlqz.fsf@toy.adminart.net> <20190715055400.8528e4ea2b4b575b8649d7b1@sohara.org> <871ryrl4vz.fsf@toy.adminart.net>
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On Mon, 15 Jul 2019 17:00:16 +0200 hw <hw@adminart.net> wrote: > Steve O'Hara-Smith <steve@sohara.org> writes: > > > On Mon, 15 Jul 2019 00:44:52 +0200 > > hw <hw@adminart.net> wrote: > > > >> What is the point of doing this? When you have hardware RAID, just use > >> it rather than ZFS. > > > > ZFS is a far better solution than hardware RAID and any other > > file system. The only reason for using hardware RAID is because you > > cannot use ZFS for some reason. > > It's more like the only reason not to use hardware RAID is when you > don't have it. Nope, I have hardware RAID available I leave it disabled and run ZFS on drives as JBOD. > ZFS is just another file system with its advantages and disadvantages. > That doesn't make it generally the best solution. ZFS is a file system with an *integrated* redundancy layer, the coupling between the two has benefits than cannot be matched by separate RAID and filesystem. > You could even say ZFS is generally the worst solution because it is > incompatible with common hard- and software. Nonetheless, under the > right circumstances, ZFS can still be the best solution. And why aren't > there any hardware ZFS controllers? We call them file servers or NAS boxes depending on which decade we learned our terminology. -- Steve O'Hara-Smith | Directable Mirror Arrays C:\>WIN | A better way to focus the sun The computer obeys and wins. | licences available see You lose and Bill collects. | http://www.sohara.org/
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