Date: Wed, 08 Jun 2005 06:36:48 -0500 From: Eric Anderson <anderson@centtech.com> To: "Raphael H. Becker" <rabe@p-i-n.com> Cc: freebsd-current@freebsd.org Subject: Re: Accessing SCSI-Devices >2TB Message-ID: <42A6D850.2070603@centtech.com> In-Reply-To: <20050608122324.C41471@p-i-n.com> References: <20050608122324.C41471@p-i-n.com>
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Raphael H. Becker wrote: > Hi, > > I tried to attach our new external RAID to my RENEG_5_4 box today using > one logical drive of about 2326GB. > > The RAID was preconfigured with two 50% partitions which were assigned > to two LUNs. FreeBSD 5.4 was able to detect those as da1 and da2 with > full capacity. > > For particular reasons I need one filesystem. > > The support for this RAID told me just SuSE Linux and W2k3/64Bit Systems > are able to access devices >2TB (64bit LBA) therefore the larger RAIDs > are preconfigured with smaller partitions. That is correct - only a few OS's that I know of currently support 64bit LBA. I wanted the same thing (except I would like 18TB), and I didn't find anyone working on this. Maybe that has changed though. > For me there will be 2+1 solutions to get this running, > > a) (preferred): Having one logical drive w/o partitions or multiple LUNs > by doing some magic at my KERNCONF > > b) reverting to 2 Partitions and doing ccd(4) on the resulting /dev/da(1|2) This is what I did (using gvinum). > c) upgrading to a closer-to-current version to have some "hidden > feature" available? Wouldn't that be sweet? Maybe there are some coders out there bored looking for something to do.. :) Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology A lost ounce of gold may be found, a lost moment of time never. ------------------------------------------------------------------------
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