Messages in this thread | | | From | "Joseph Shamash" <> | Subject | RE: 2 TB partition support | Date | Mon, 10 Nov 2003 20:03:53 -0800 |
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>What exactly are you trying to do?
Doing testing in our lab trying to use 2.4.x and 2.6. Trying to see how high a storage capacity can be supported above 2TB, both in partitions and file sizes.
The limitation we have found in 2.4 is lack of 2TB support, (using hardware raid with 2TB+ partitions).
The limitation we have found in 2.6 is lack FC HBA drivers which are needed to support large storage capacities.
Any thoughts?
-----Original Message----- From: Peter Chubb [mailto:peterc@chubb.wattle.id.au]On Behalf Of Peter Chubb Sent: Monday, November 10, 2003 7:43 PM To: Mike Fedyk Cc: Joseph Shamash; Peter Chubb; linux-kernel@vger.kernel.org Subject: Re: 2 TB partition support
>>>>> "Mike" == Mike Fedyk <mfedyk@matchmail.com> writes:
> On Mon, Nov 10, 2003 at 06:12:06PM -0800, Joseph Shamash wrote: >> >> What is the maximum partition size for a patched 2.4.x kernel, and >> where are those patches?
Mike> I believe it is now 16TB per block device in 2.6, and patched Mike> 2.4.
That's right for 32-bit systems with 4k pages. For 64 bit systems the limit is over 8 Exabytes.
You should note that software raid has smaller limits, as does the LVM. Also the 2.4 patches have seen *much* less testing than the 2.6 mainline (except possibly on the SGI Altix).
What exactly are you trying to do?
-- Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au The technical we do immediately, the political takes *forever*
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