What workloads were you using Gluster for? How did you reach out to the developers? Usually the mailing lists are very responsive and most bugs brought up on the lists are addressed.
> Unless you try using its NFS server to get not entirely disastrous performance.
Wrong again, Gluster's NFS server is in userspace too. Not sure how that can cause a kernel panic.
Have you tried more recent versions of GlusterFS? Starting with GlusterFS 3.3, all major versions are compatible. Even the recently released GlusterFS 3.5 is compatible with GlusterFS 3.3.
> Unless you try using its NFS server to get not entirely disastrous performance.
Wrong again, Gluster's NFS server is in userspace too. Not sure how that can cause a kernel panic.