[Lustre-discuss] Max OST size

[Andreas Dilger]

On Jun 13, 2008  06:40 +0200, Timh Bergstr�m wrote:
> 2008/6/13 Andreas Dilger <adilger at sun.com>:
> > On Jun 13, 2008  00:16 +0300, Mertol Ozyoney wrote:
> >>
> >> Is there a 2 TB limitation for max OST size ?
> 
> Allthough in some cases the partition table of the device could be of
> fat/vfat which can't handle larger partitions than 2TB. I currently
> run gpt partition table from parted and 7.33TB partitions.

We recommend not using an partition table at all.  There is no requirement
for a partition table required for ext3/ldiskfs.  Having a partition table
can also have negative performance impact for filesystems on RAID devices.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.