Date: Wed, 19 Oct 2011 10:52:07 -0400 From: Krunal Desai <movszx@gmail.com> To: Albert Shih <Albert.Shih@obspm.fr> Cc: zfs-discuss@opensolaris.org, freebsd-questions@freebsd.org Subject: Re: [zfs-discuss] ZFS on Dell with FreeBSD Message-ID: <CAH7rjyHQEcmiTd6K7VSSFePPa171VrUKGX2nR0D34sOVNzALDg@mail.gmail.com> In-Reply-To: <20111019141443.GQ4592@pcjas.obspm.fr> References: <20111019141443.GQ4592@pcjas.obspm.fr>
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On Wed, Oct 19, 2011 at 10:14 AM, Albert Shih <Albert.Shih@obspm.fr> wrote: > When we buy a MD1200 we need a RAID PERC H800 card on the server so we have > two options : > > 1/ create a LV on the PERC H800 so the server see one volume and put > the zpool on this unique volume and let the hardware manage the > raid. > > 2/ create 12 LV on the perc H800 (so without raid) and let FreeBSD > and ZFS manage the raid. > > which one is the best solution ? > > Any advise about the RAM I need on the server (actually one MD1200 so 12x2To disk) I know the PERC H200 can be flashed with IT firmware, making it in effect a "dumb" HBA perfect for ZFS usage. Perhaps the H800 has the same? (If not, can you get the machine configured with a H200?) If that's not an option, I think Option 2 will work. My first ZFS server ran on a PERC 5/i, and I was forced to make 8 single-drive RAID 0s in the PERC Option ROM, but Solaris did not seem to mind that. --khdhelp
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