How can I use LVM with my EtherDrive storage?
With older LVM2 releases, you may need to edit lvm.conf, but the current version of LVM2 supports AoE devices “out of the box”. You can also create md devices from your aoe devices and tell LVM to use the md devices. It’s necessary to understand LVM itself in order to use AoE devices with LVM. Besides the manpages for the LVM commands, the LVM HOWTO is a big help getting started if you are starting out with LVM. If you have an old LVM2 that does not already detect and work with AoE devices, you can add this line to the “devices” block of your lvm.conf. types = [ “aoe”, 16 ] If you are creating physical volumes out of RAIDs over EtherDrive storage, make sure to turn on md component detection so that LVM2 doesn’t go snooping around on the underlying EtherDrive disks. md_component_detection = 1 The snapshots feature in LVM2 did not work in early 2.6 kernels. Lately, Coraid customers have reported success using snapshots on AoE-backed logical volumes when using a recent kernel and aoe driv
