The 2010 Linux Storage and Filesystem Summit, day 2
Posted Aug 11, 2010 21:07 UTC (Wed) by buchanmilne
Parent article: The 2010 Linux Storage and Filesystem Summit, day 2
The cluster filesystems are in a bit of a tough place. Neither has a huge group dedicated to its development, and, as Ric Wheeler pointed out, there just isn't much of a hobbyist community equipped with enterprise-level storage arrays out there.
Enterprise-level storage arrays aren't required to run clustered filesystems. In fact, a single machine (laptop in my case) is sufficient, assuming you can run either Xen or KVM.
I'm not a kernel developer, but I test 'cluster' and 'gfs2' quite often on a test cluster that comprises two VMs that were originally installed under Xen, but now run under KVM, sharing one block device which is used as the GFS2 filesystem.
Unfortunately, virtualbox doesn't allow concurrent use of virtual hard disks by multiple VMs, but that's only a problem if you need OSs KVM doesn't boot.
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