Re: qlogic driver , 1Tbyte hard error

[Andreas Dilger]

On Sep 20, 2001  09:50 -0600, Eric Weigle wrote:
> > The maximum supported file system size under Linux 2.4 is just under 1Tb.
> > The scsi layer gets slightly confused a bit earlier with its printk messages
>
> Is there any particular (that is, technical) reason for this?  A few months
> ago I hit this problem while building a RAID system for our group.  We wanted
> to do software RAID-0 over three hardware RAID-5 arrays (2 by 375G and one
> 525G) and the kernel (2.4.6) had a hissy fit.
> 
> Given the relatively low cost of disk space ($5000/terabyte and on up, see
> http://staff.sdsc.edu/its/terafile/), is this something that will be supported
> in the future?
> 
> If you point me in the right direction I'd be willing to look at this issue.

There is a patch to allow 64-bit block devices - Ben LaHaise or Jens Axbow
put it out about 2 months ago.  I believe it fixes the SCSI midlayer,
and a limited number of drivers.  This is probably a good starting point
(you may need to update the particular SCSI driver you are using).

Cheers, Andreas
--
Andreas Dilger  \ "If a man ate a pound of pasta and a pound of antipasto,
                 \  would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/               -- Dogbert