Date: Fri, 19 Nov 2010 11:30:40 +0000 From: krad <kraduk@gmail.com> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD and large harddrives Message-ID: <AANLkTikyuZrBQPnb46ZHN-qN4r2uqznjLvuAsBJ65ppq@mail.gmail.com> In-Reply-To: <4CE6508C.1030508@infracaninophile.co.uk> References: <AANLkTimh50XGrXraNzBCeY9mZj3wsWPG=RRkRiF_fRf=@mail.gmail.com> <4CE52F49.4010602@sentex.net> <218D523D-A5BF-4E37-BC75-2FBF67C1D618@mac.com> <AANLkTi=-xfMZ7cVXmEZMt21C9LE5JGqmaby5%2B3ieQDX3@mail.gmail.com> <15996e2cfb833e0ed3fa9d19725b3a95.squirrel@pop.pknet.net> <AANLkTikJ7J11my65-zUw2P-7uACtOjM7m=9Jncq7e-s%2B@mail.gmail.com> <AANLkTi=3T1wr3XSg8Arf%2B4LD8OuEJHU1Xm7fAFhmN7%2Bc@mail.gmail.com> <4CE6508C.1030508@infracaninophile.co.uk>
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On 19 November 2010 10:25, Matthew Seaman <m.seaman@infracaninophile.co.uk>wrote: > On 19/11/2010 10:00, krad wrote: > > If you already have a 3ware card and you are familiar with them, why not > let > > it do the raid and just plonk zfs on top of the lun presented to the > system? > > Will make booting off pure zfs much easier. > > There's a lot of duplication of function there -- both ZFS and the RAID > card will be doing background tasks to try and ensure the integrity of > the data, which means more disk IO than is really necessary. > > Not really as zfs wouldnt be doing any raid. Just checksuming etc.
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