Re: Accessing SCSI-Devices >2TB

From: Bernd Walter <ticso_at_cicely12.cicely.de>
Date: Wed, 8 Jun 2005 14:39:53 +0200
On Wed, Jun 08, 2005 at 06:36:48AM -0500, Eric Anderson wrote:
> 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.

Because there is nothing to do about this since years.

revision 1.139
date: 2003/04/30 00:35:22;  author: ken;  state: Exp;  lines: +194 -65
Add support to CAM for devices with more than 2^32 blocks.  (2TB if you're
using 512 byte blocks).

-- 
B.Walter                   BWCT                http://www.bwct.de
bernd_at_bwct.de                                  info_at_bwct.de
Received on Wed Jun 08 2005 - 10:41:35 UTC

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