lkml.org 
[lkml]   [2005]   [Mar]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: huge filesystems
On Wed, Mar 09, 2005 at 10:53:48AM -0800, Dan Stromberg wrote:

> My question is, what is the current status of huge filesystems - IE,
> filesystems that exceed 2 terabytes, and hopefully also exceeding 16
> terabytes?

people can and do have >2T filesystems now. some people on x86 have
hit the 16TB limit and others are large still with 64-bit CPUs

> Am I correct in assuming that the usual linux buffer cache only goes
> to 16 terabytes?

for 32-bit CPUs

> What about the "LBD" patches - what limits are involved there, and
> have they been rolled into a Linus kernel, or one or more vendor
> kernels?

LBD is in 2.6.x and is required for >2TB but sometimes that means >1TB
or even smaller depending on the drivers

many drivers simply won't go above 2T even with CONFIG_LBD so you need
to poke about and see what works for you (or use md/raid to glue
together multiple 2TB volumes)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:11    [W:0.087 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site