Date: Thu, 11 Jan 2007 21:20:28 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Jo Rhett <jrhett@svcolo.com> Cc: Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no>, freebsd-stable@freebsd.org Subject: Re: 2.4TB disk - MBR and GPT coexist? Message-ID: <20070112032028.GC46272@dan.emsphone.com> In-Reply-To: <669E8D5D-E286-42DC-800F-24D7DDB2469F@svcolo.com> References: <45A5FD8A.6080409@svcolo.com> <2918081F-D376-410B-B6FD-42BDD3323575@svcolo.com> <20070111213444.GB17185@zone3000.net> <D0D0CE06-B991-4945-B12B-152BA930106B@svcolo.com> <20070112005510.2e145462.torfinn.ingolfsen@broadpark.no> <669E8D5D-E286-42DC-800F-24D7DDB2469F@svcolo.com>
next in thread | previous in thread | raw e-mail | index | archive | help
In the last episode (Jan 11), Jo Rhett said: > >On Thu, 11 Jan 2007 13:56:43 -0800 Jo Rhett <jrhett@svcolo.com> wrote: > >>Thanks for the reply. The problem is that I have a single 6-drive > >>(550gb/ea) RAID-5 array. If I split two disks off to make a RAID-1 > >>boot device, I'll lose 1TB of usable storage. > > On Jan 11, 2007, at 3:55 PM, Torfinn Ingolfsen wrote: > >Hmm, why can't you just make your controller create two logical arrays > >onto the one physical array? Doesnt the controller support this > >feature? > > Not any one that I've ever seen in commodity disks. Yes, on big > fiber channel disk cabinets. No to 6-8 drive raid controllers. I've got ancient AMI Megaraid controllers (Dell PERC 2/Si cards) that can put multiple logical drives on one RAID set, so I'm surprised that a modern controller can't. -- Dan Nelson dnelson@allantgroup.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070112032028.GC46272>