Date: Sun, 08 May 2011 15:53:43 +0200 From: Michael Fuckner <michael@fuckner.net> To: Michael Reifenberger <mike@reifenberger.com> Cc: FreeBSD-SCSI <scsi@freebsd.org> Subject: Re: mpt(4) cuts 3TiB drives down to 2TiB Message-ID: <4DC6A067.60403@fuckner.net> In-Reply-To: <alpine.BSF.2.00.1105081401080.92495@gw.reifenberger.com> References: <alpine.BSF.2.00.1105081401080.92495@gw.reifenberger.com>
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On 05/08/2011 02:13 PM, Michael Reifenberger wrote: > Hi, > the manpage of mptutil states that mpt(4) doesn't support volumes > greater 2TiB, > it suggests to use the disks in JBOD mode. > > Even this seems only to work for disk with less than 2TiB. > > When attaching a Hitachi 7k3000 drive on the LSI SAS/SATA ports of a > Supermicro X8ST3-F board I only see 4294967294 sectors while I get > 976773168 sectors when > attaching to the on board SATA ports. > > This leaves the onboard LSI controller useless for bigger disks. Hi all, This is probably due to old firmware- I've seen similar a while ago and I'm not sure if there is a firmware capable of >2TiB. You should check in Controllerbios/ Post Screen if the drive is detected as 2 or 3TB. Imho this issue is not related to FreeBSD. Regards, Michael
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