Hi Bernard, I finally solved the problem of downloading the image commenting
the rows in the systemimager master script that attempted to mount JFS and XFS
filesystems. Now all my nodes are ready and working, but now I have a problem
in subitting jobs under PBS. Each time I submit a job with qsub command, the
job is queued, even if it's the only one job, and it's never executed, it
remains in queue indefinitely. I created two queues with the following
qmgr.conf script:
#
# Create queues and set their attributes.
#
#
# Create and define queue debug
#
create queue debug
set queue debug queue_type = Execution
set queue debug max_running = 5
set queue debug resources_max.cput = 06:00:00
set queue debug resources_default.walltime = 00:10:00
set queue debug enabled = True
set queue debug started = True
#
# Create and define queue workq
#
create queue workq
set queue workq queue_type = Execution
set queue workq enabled = True
set queue workq started = True
#
# Set server attributes.
#
set server scheduling = True
set server default_queue = workq
set server log_events = 511
set server mail_from = adm
set server query_other_jobs = True
set server resources_default.neednodes = 1
set server resources_default.nodect = 1
set server resources_default.nodes = 1
set server scheduler_iteration = 600
set server node_ping_rate = 300
set server node_check_rate = 600
set server node_pack = False
It was an example that I found on the web. The two queues are configured,
enabled and started, but a qstat -a returns this:
medusa.dicea.unifi.it:
Req'd Req'd Elap
Job ID Username Queue Jobname SessID NDS TSK Memory Time S Time
--------------- -------- -------- ---------- ------ --- --- ------ ----- - -----
21.medusa.dicea lcampo debug hello -- 1 -- -- 06:00 Q --
and a qstat -q:
server: medusa.dicea.unifi.it
Queue Memory CPU Time Walltime Node Run Que Lm State
---------------- ------ -------- -------- ---- --- --- -- -----
workq -- -- -- -- 0 0 -- E R
debug -- 06:00:00 -- -- 0 1 5 E R
--- ---
0 1
I checked files in which the name of server should appear (/etc/hosts on all
machines and conf file in PBS directories) and it seems everything is ok. I
tried ssh connections server-node and node-server and it's ok. I also tried to
kill the maui scheduler in order to substitute it with yhe pbs_sched (that is
not activated in the standard configuration of OSCAR), but the result is
exactly the same. Is there something wrong in the qmgr.conf file or somewhere
else?
Thank you
Lorenzo
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