Nate Carlson wrote: > Hey all, > > Just getting started with the whole GFS/CLVM thing, and wanted to run a > config by the people who actually know what they are doing before I try > to deploy it, in case I'm doing anything really stupid. :) > > I'm basically looking at setting up a 4-node cluster, using GFS to share > storage. I've picked up a Dell PowerVault 660F fibre array for the > central sotrage, and a PV51F fibre switch (equivilent to a Brocade 2400, > apparently), which will have the array and each of the boxes connected > to it. > > Here's the kicker: I'd like to run Xen on these boxes, and be able to > migrate VM's and such between them. (This is really why I want the > shared storage, besides just for experience.) > > My plan is to create a LUN for each of the individual nodes to boot > from, and then have a large shared LUN for CLVM. Within the CLVM PV, > I'll create a LV for each of the Xen domains/vm's to boot from, and then > have a large GFS LV for the shared data. > > Does this sound reasonable? Anyone see any huge holes in my logic? I'm > hoping that GFS will compile and work within the Xen-ified Linux kernel > - I suppose I should've tried that out before ordering hardware, but ah > well. :) > > Hope someone has some comments, and thanks for reading! I can't comment on the particular hardware but I can say that GFS runs nicely inside xen. There are even xenU packages for Fedora Core 4 available. One thing to watch if you're building GFS & components from source is to make sure that they are built with ARCH=xen on the make command-line; otherwise all the timeouts are out by an order of magnitude! I've done some (rather vague) instructions at http://www.cix.co.uk/~tykepenguin/xencluster.html - there's even a primitive xen fencing agent there, if that helps. -- patrick -- Linux-cluster@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/linux-cluster
