TORQUE/PBS (and its scheduler; MAUI/MOAB) runs as root and spawns jobs
in the name of the user; it's the responsibility of the SysAdmin.
george wm turner
high performance systems
812 855 5156
On Aug 17, 2009, at 10:16 AM, <[email protected]>
wrote:
All,
In the company I work for, we have had an ongoing debate over
several years regarding the management of Resource Managers and
Schedulers like SGE, TORQUE and MAUI, MOAB, etc. The basic
difference comes in whether or not these software technologies
should be or are considered as middle-ware or system software.
Thus, as middle-ware, user communities would/could be responsible
for their administration and management. While on the other hand,
if it is considered system software, it would be the IS/IT
organizations' responsibility to administer and maintain.
My argument has always been that it is these software technologies
that establish clusters from disparate building block systems to
create a new meta-system if you will. And that as such, these
technologies provide similar functionality as RMs and Schedulers at
the building block system level and therefore should be considered
systems software. Further, all the documentation and books that I
have read regarding cluster architecture suggest (but are not
specific) that these software technologies are considered necessary
to establish the cluster, regardless of whether or not applications
are to be executed on the cluster. And, in fact this is clearly the
case.
Others in our organization argue that because these technologies are
NOT delivered with the building block systems as part of their
Operation System software or libraries, they play more the function
of many middle-ware products today and should be considered middle-
ware. Doesn't middle-ware by definition facilitate some
interaction between applications and the system other than the use
of normal operating system or file system services? I would
consider packages such as Websphere, Java, Oracle in some cases, and
even VMWARE as middle-ware.
As users of these technologies, I am interested to know how you: 1)
define these technologies; and 2) manage them within your
organizations...IT or User groups. All inputs are welcome.
Thanks,
Stewart
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