On Tue, 2006-06-13 at 22:51 +0100, Gordon, JC (John) wrote:
> 1. The ability to query the status of a grid service by talking directly
> to it, not by writing a test which tries to use its functionality. The
> equivalent of ping which asks a service 'what state are you in' and to
> which various status replies can be returned.
This is interesting. What kinds of status information would you be
looking for from, say, a Globus gatekeeper, that the various information
systems of the day don't already report?
> 2. Remote management of a service - the ability with appropriate
> authorisation to STOP, and START a service without logging on to the
> host.
What's wrong with SSH? You can authenticate as root and perform any
systems administration activity, including service management.
It scales to large numbers of hosts, too: assuming you have some kind
of automagical authentication such as a trusted public/private keypair
or a Kerberos root principal, you can even run administrative commands
over a large number of hosts in parallel.
(See [0] for a relatively crude example script I wrote a few years ago.)
Cheers,
David
[0] http://www.doc.ic.ac.uk/~dwm/Code/gnu-arch/2005/remote--main/remote.pl
--
David McBride <[log in to unmask]>
Department of Computing, Imperial College, London
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