On Wed, Oct 12, 2011 at 12:14 PM, Les Mikesell <lesmikesell@xxxxxxxxx>wrote:
> On Wed, Oct 12, 2011 at 11:09 AM, John R Pierce <pierce@xxxxxxxxxxxx>
> wrote:
>
> >> What's the right way to set up>2TB partitions for raid1 autoassembly?
> >> I don't need to boot from this but I'd like it to come up and mount
> >> automatically at boot.
> >
> > disks 2TB and up have to be formatted as GPT rather than MBR, so old MBR
> > tools like fdisk are useless. use parted
> >
> > I would build a LVM vg with the multi-terabyte volumes, using lvm
> > mirroring, and then create an XFS lv on the vg .... xfs seems 100%
> > stable and high performance on centos6
>
> What I'm looking for is the way to make md raid autodetect and
> assemble on boot. With fdisk, you would set the partition type to FD
> for that, but I don't see an equivalent in parted.
>
With GPT that's set using flags. This is done in parted with the command
"set <partition number> raid on"
--
David
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