[Lustre-discuss] Max OST size
Timh Bergström
timh.bergstrom at diino.net
Fri Jun 13 02:25:35 PDT 2008
2008/6/13 Andreas Dilger <adilger at sun.com>:
> 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.
>
So you can tell mkfs.lustre to use a device (22TB /dev/sda in this
case) and split is at it sees fit? How do I do that?
//T
> Cheers, Andreas
> --
> Andreas Dilger
> Sr. Staff Engineer, Lustre Group
> Sun Microsystems of Canada, Inc.
>
>
--
Timh Bergström
System Administrator
Diino AB - www.diino.com
:wq
More information about the lustre-discuss
mailing list