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adiaz

Why are some nodes never used in a reservation?

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Some nodes are never used in a reservation because they are dedicated to a specific queue in qmgr. When this is done only jobs from that queue can submit jobs to those nodes.

All of these nodes can be used in a reservation:


[bubba@pb5 unsupported]$ qmgr
Max open servers: 49
Qmgr: p n @default
#
# Create nodes and set their properties.
#
#
# Create and define node pb5
#
create node pb5 Mom=pb5.altair.com
set node pb5 state = free
set node pb5 Priority = 1
set node pb5 resources_available.aif_applications_enabled = RadiossSPMD
set node pb5 resources_available.aif_applications_enabled += test
set node pb5 resources_available.arch = linux
set node pb5 resources_available.host = pb5
set node pb5 resources_available.mem = 1035864kb
set node pb5 resources_available.ncpus = 1
set node pb5 resources_available.vnode = pb5
set node pb5 comment = " "
set node pb5 resv_enable = True
set node pb5 sharing = default_shared
#
# Create and define node pb6
#
create node pb6 Mom=pb6.altair.com
set node pb6 state = free
set node pb6 Priority = 10
set node pb6 resources_available.aif_applications_enabled = RadiossSPMD
set node pb6 resources_available.aif_applications_enabled += test
set node pb6 resources_available.arch = linux
set node pb6 resources_available.host = pb6
set node pb6 resources_available.mem = 1035864kb
set node pb6 resources_available.ncpus = 1
set node pb6 resources_available.vnode = pb6
set node pb6 resv_enable = True
set node pb6 sharing = default_shared
#
# Create and define node pb7
#
create node pb7 Mom=pb7.altair.com
set node pb7 state = free
set node pb7 Priority = 9
set node pb7 resources_available.aif_applications_enabled = RadiossSPMD
set node pb7 resources_available.aif_applications_enabled += test
set node pb7 resources_available.arch = linux
set node pb7 resources_available.host = pb7
set node pb7 resources_available.mem = 1035864kb
set node pb7 resources_available.ncpus = 1
set node pb7 resources_available.vnode = pb7
set node pb7 resv_enable = True
set node pb7 sharing = default_shared
Qmgr:

If a node has the "queue" attribute set it can only accept jobs from that queue:


create node pb7 Mom=pb7.altair.com
set node pb7 state = free
set node pb7 Priority = 9
set node pb7 resources_available.aif_applications_enabled = RadiossSPMD
set node pb7 resources_available.aif_applications_enabled += test
set node pb7 resources_available.arch = linux
set node pb7 resources_available.host = pb7
set node pb7 resources_available.mem = 1035864kb
set node pb7 resources_available.ncpus = 1
set node pb7 resources_available.vnode = pb7
set node pb7 queue = specialqueue
set node pb7 resv_enable = True
set node pb7 sharing = default_shared

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