On Thu, Apr 25, 2002 at 08:48:40AM -0500, Steve Lord wrote:
> > Ben LaHaise wrote patches to support >2TB devices. It should work on
> > both i386 and ia64 (and other platforms), but will ofcourse be faster on
> > 64 bit platforms.
> >
> > I don't know if it has been included in 2.5 yet, or of it will be, but
> > the patch is out there.
>
>
> It has not been, I think the issue was it made some basic types 64 bit
> across the board - which negatively impacts the 32 bit kernels. That's
> just from memory.
It was a configuration-option, so it only impacted kernels that turned
the feature on.
> The patch on the ia64 list was a lot more comprehensive, everything from
> the page cache, through fiber channel drivers to the partition table
> code was affected. It almost looks as if someone has tried it with real
> disk space in this case. It might have the same 64 bit on 32 bit issues
> though - but it should be possible to make it configurable.
We tested Ben's patches with real disk space - we had a few minor
problems (like overflow in /proc/partitions and various kernel
messages), but otherwise it worked.
> Here is a link:
>
> https://external-lists.vasoftware.com/archives//linux-ia64/2002-April/003416.html
Thanks. We'll check that out.
--
Ragnar Kjørstad
Big Storage
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