On 7/8/06, Al Boldi <a1426z@xxxxxxxxx> wrote:
Copy on Write is a neat way to quickly achieve a semi-clustered system, by
mounting any shared FS read-only and redirecting writes to some perClient
FS.
Would this redirection be easy to implement into the VFS?
There are a variety of solutions that have been proposed or are
available to do this sort of thing. You may want to start by looking
at unionfs and mapfs. There are also folks looking at doing this from
the block layer (look at the dm-userspace + cowd as well as evms and
lvm snapshots).
-eric
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