Hello,

is there any way to request on the pvfs2-server side a list of
clients mounted filesystem in question? In short I'm looking for
any analogue for nfs showmount command.

Why I need this. I want to implement scripts for safe startup and
shutdown of pvfs2-server, pvfs2-client and startup mounter/umounter on
a cluster where both server and client nodes (in my case they will be
the same nodes) will likely to start and stop at once.

Startup part is rather simple: using pvfs2-ping it is possible to
check whether all servers are ready and wait (with some sane max time
limit) for them to startup.

On shutdown with no way to check on server side if it is still in
use, I need either to implement lockfiles for each client or
forcefully stop all clients via something like pdsh. 

I know, there are other ways to use pvfs2 like ROMIO, but that is out
of the scope of current question right now. I do not use heartbeat on
this setup too due to various reasons.

Best regards,
Andrew Savchenko

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