[BLUG] Anyone encountered GPT yet?

I'm setting up a new backup server with a large disk arrray (4 x 1TB
drives in RAID-5). When I loaded CentOS 5.2 and went through the
partition editor, I decided to switch over to the console and run fdisk,
at which point it told me that fdisk doesn't support GPT partitions.
This is the first time I've encountered one and had to look it up.

http://en.wikipedia.org/wiki/GUID_Partition_Table

It looks like my 3ware RAID controller set it up to use GPT for me
since the volume is 2.8TB in size, which is over the 2TB limit that an
MBR supports.

I actually couldn't use the GPT format across the whole
disk array because CentOS complained that the PC BIOS doesn't support
booting to that type of partition table. So in the RAID controller I
had to make one smaller volume to boot from and a second volume with the
GPT table.

Its a good thing to know about if you haven't encountered it yet
because its coming our way. Especially once we start having 2TB+
single drives.

--
Mark Krenz
Bloomington Linux Users Group
http://www.bloomingtonlinux.org/
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