On Wed, Oct 12, 2011 at 12:20 PM, David Miller david3d@gmail.com wrote:
On Wed, Oct 12, 2011 at 12:14 PM, Les Mikesell lesmikesell@gmail.comwrote:
On Wed, Oct 12, 2011 at 11:09 AM, John R Pierce pierce@hogranch.com 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"
I just thought of one other thing. You'll want to read up on bios boot if these large drives are being used for the grub boot loader. -- David