Messages in this thread | | | Date | Tue, 21 Jun 2005 08:51:27 -0500 | From | Eric Van Hensbergen <> | Subject | Re: v9fs (-mm -> 2.6.13 merge status) |
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On 6/21/05, Andrew Morton <akpm@osdl.org> wrote: > > v9fs > > I'm not sure that this has a sufficiently high > usefulness-to-maintenance-cost ratio. >
I think v9fs/9P has some unique aspects which differentiate it from the other distributed system protocols integrated into Linux: a) it presents a unified distributed resource sharing protocol. It will be able to distribute devices, file systems, system services, and application interfaces. b) it provides non-caching RPC-style access to synthetic file systems which could be used with in-kernel file systems such as sysfs or with user-space synthetics such as those provided by FUSE c) its implementation supports transport independence enabling easy support for different interconnects (shared memory, Xen device channels, RDMA, Infiniband, etc.)
v9fs-2.0 has a somewhat limited audience at the moment - but now that the initial implementation is more or less complete we are working to build applications on top of it (and provide a better server). It's being integrated into cluster projects at LANL and being looked at wrt virtualization I/O at IBM. Its our hope that these improvements and cluster applications will motivate more wide-spread use of the v9fs module.
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