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    Command:

    pbs_server_attributes

    
    
    

    DESCRIPTION

           Server attributes can be read by any client; privilege is not required.
           Most server attributes are alterable by a privileged client, run  by  a
           user  with  administrator  or  operator  privilege.  Certain attributes
           require the user to have full administrator privilege.   The  following
           is a list of the server attributes.
    
              acl_group_sloppy
                     This  is  a default value for the queue attribute of the same
                     name.  Format: boolean, "TRUE",  "True",  "true",  "Y",  "y",
                     "1", "FALSE", "False", "false", "N", "n", "0"; default value:
                     false = disabled.
    
              acl_host_enable
                     Attribute which when true  directs  the  server  to  use  the
                     acl_hosts access control lists.  Requires full manager privi-
                     lege to set  or  alter.   Format:  boolean,  "TRUE",  "True",
                     "true",  "Y",  "y", "1", "FALSE", "False", "false", "N", "n",
                     "0"; default value: false = disabled.
    
              acl_hosts
                     List of hosts which may request services  from  this  server.
                     This  list  contains  the  network  name of the hosts.  Local
                     requests, i.e. from  the  server's  host  itself,  are  aways
                     accepted  even  if the host is not included in the list.  See
                     section 10.1, Authorization, in the  PBS  External  Reference
                     Specification.   Requires  full  manager  privilege to set or
                     alter.  Format: "[+|-]hostname.domain[,...]"; default  value:
                     all hosts.
    
              acl_logic_or
                     This  is  a default value for the queue attribute of the same
                     name.  Format: boolean, "TRUE",  "True",  "true",  "Y",  "y",
                     "1", "FALSE", "False", "false", "N", "n", "0"; default value:
                     false = disabled.
    
              acl_user_enable
                     Attribute which when true  directs  the  server  to  use  the
                     server  level  acl_users  access list.  Requires full manager
                     privilege  to   set   or   alter.    Format:   boolean   (see
                     acl_group_enable); default value: disabled.
    
              acl_users
                     List  of  users  allowed  or  denied  the ability to make any
                     requests of this server.  See section 10.1, Authorization, in
                     the PBS External Reference Specification.  If acl_user_enable
                     is set to true, only users listed in acl_users may submit  to
                     or  execute  jobs in the queue.  Requires full manager privi-
                     lege to  set  or  alter.   Format:  "[+|-]user[@host][,...]";
                     default value: all users allowed.
    
              acl_roots
                     value  from  the status update.  Requires full manager privi-
                     lege to set or alter.  Format: boolean; default  value:  dis-
                     abled.
    
              comment
                     A  text  string  which  may  be set by the scheduler or other
                     privileged client to provide information to the batch  system
                     users.  Format: any string; default value: none.
    
              default_node
                     A  node  specification  to  use if there is no other supplied
                     specification.  This attribute is only used by servers  where
                     a  nodes  file exist in the server_priv directory providing a
                     list of nodes to the server.  If  the  nodes  file  does  not
                     exist, this attribute is not set by default and is ignored if
                     set.  The default value allows for jobs  to  share  a  single
                     node.   Format:  a  node specification string; default value:
                     1#shared.
    
              default_queue
                     The queue which is the target queue when a request  does  not
                     specify  a  queue name.  Format: a queue name; default value:
                     none, must be set to an existing queue.
    
              down_on_error
                     Set a node's state to "down" if MOM reports a message  begin-
                     ning  with  the  string  "ERROR".   This might interfere with
                     moab's node error handling.  See the HEALTH CHECK section  in
                     pbs_mom(8B).   This  is  an  EXPERIMENTAL  feature and may be
                     removed in  the  future.   Format:  boolean;  default  value:
                     false.
    
              extra_resc
                     Add  additional  string-type  job  resources.   They  have no
                     effect within TORQUE and are only advisible to the scheduler.
                     They  can not be used for resources_default/min/max.  Format:
                     list; default value: none.
    
              job_nanny
                     Enables the "job deletion nanny" feature.   All  job  cancels
                     will create a repeating task that will resend KILL signals if
                     the initial job cancel failed.  Further job cancels  will  be
                     rejected  with  the message "job cancel in progress." This is
                     useful for temporary failures with  a  job's  execution  node
                     during  a  job  delete  request.  It is possible that the job
                     nanny might interfere  with  job  restarts,  migrations,  and
                     checkpointing.  Format: boolean; default value: false.
    
              job_start_timeout
                     Specifies  the  pbs_server  to  pbs_mom TCP socket timeout in
                     seconds that is used when the pbs_server sends a job start to
                     the  pbs_mom.   It  is useful when the mom has extra overhead
    
              keep_completed
                     Number  of  seconds  to retain completed jobs in the C state.
                     This is overridden by the execution queue  attribute  of  the
                     same name.  Format: integer; default value: 0.
    
              kill_delay
                     The  amount  of the time delay between the sending of SIGTERM
                     and SIGKILL when a qdel command is issued against  a  running
                     job.   This is overridden by the execution queue attribute of
                     the same name. Format: integer seconds; default value: 2 sec-
                     onds.
    
              log_events
                     A  bit  string  which  specifies the type of events which are
                     logged, see the section on Event Logging in chapter 3 of  the
                     ERS.  Format: integer; default value: 511, all events.
    
              log_file_max_size
                     If  this  is set to a value > 0 then pbs_server will roll the
                     current log file to logfile.1 when its size is  greater  than
                     or  equal  to  the  value of log_file_max_size. This value is
                     interpreted as kilobytes.
    
              log_file_roll_depth
                     If this is set to a value >=1 and  log_file_max_size  is  set
                     then  pbs_server  will continue rolling the log files to log-
                     file.log_file_roll_depth.
    
              log_level
                     Controls the verbosity of server  logs.   This  value  ranges
                     from  0  to 7 with 7 representing maximum verbosity.  Format:
                     integer; default value: 0, minimum verbosity.
    
              mail_body_fmt
                     Override the default format for the  body  of  outgoing  mail
                     messages.  A  number  of  printf-like  format  specifiers and
                     escape sequences can be used:
    
              \n     new line
    
              \t     horizontal tab
    
              \\     backslash
    
              \'     single quote
    
              \"     double quote
    
              %d     details concerning the message
    
              %h     PBS host name
              mail_domain
                     Override  the  default domain for outgoing mail messages.  If
                     set, emails will be  addressed  to  "euser@mail_domain".   If
                     unset, the job's Job_Owner attribute will be used.  Format: a
                     domain name; Default value: none.
    
              mail_subject_fmt
                     Override the default format for the subject of outgoing  mail
                     messages.  A  number  of  printf-like  format  specifiers and
                     escape sequences can be used:
    
              \n     new line
    
              \t     horizontal tab
    
              \\     backslash
    
              \'     single quote
    
              \"     double quote
    
              %d     details concerning the message
    
              %h     PBS host name
    
              %i     PBS job identifier
    
              %j     PBS job name
    
              %m     long reason for message
    
              %r     short reason for message
    
              %%     a single %
    
              Format: a printf-like format string; Default value: "PBS JOB %i".
    
              mail_uid
                     The uid from which server generated mail is  sent  to  users.
                     Format: integer uid; default value: 0 for root.
    
              managers
                     List  of  users granted batch administrator privileges.  For-
                     mat:   user@host.sub.domain[,user@host.sub.domain...].    The
                     host,  sub-domain,  or  domain name may be wild carded by the
                     use of an * character,  see the description  of  user  access
                     control  lists  in  chapter 10.1.1 of the ERS.  Requires full
                     manager privilege to set or alter.  Default  value:  root  on
                     the local host.
    
              max_running
                     The  maximum number of jobs allowed to be selected for execu-
                     none.
    
              mom_job_sync
                     Enables the "job sync on MOM" feature.    When  MOMs  send  a
                     status  update,  and  it includes a list of jobs, server will
                     issue job deletes for any jobs  that  don't  actually  exist.
                     Format: boolean; default value: true.
    
              next_job_number
                     This  hidden  attribute is used to allow a manager to set the
                     value of the next job ID  via  qmgr.  This  attribute  should
                     rarely  be  modified.  Some  sites may find it useful if they
                     need to recreate their pbs_server database (perhaps due to  a
                     format  change between major TORQUE versions) and they keep a
                     database of job information indexed by the job ID.  The  man-
                     ager  should  be  careful to avoid setting the value to some-
                     thing that would allow the next job number to conflict with a
                     job already queued, however Torque will handle this in a sane
                     manner: the job submission will be rejected and the next  job
                     number will be incremented.
    
              net_counter
                     Lists the 3 numbers representing the number of connections in
                     the last 5 seconds, 30 seconds, and 60 seconds.   This  is  a
                     read-only attribute.  Format: string; default value: none.
    
              node_check_rate
                     In  OpenPBS, this was the rate at which pbs_server would poll
                     each node.  In TORQUE, nodes periodically send updates  with-
                     out  solicitation from pbs_server; this attribute is now used
                     as the maximum number of seconds allowed  without  an  update
                     before pbs_server will consider the node down.  Format: inte-
                     ger; default value: 150
    
              node_pack
                     Controls how multiple processor nodes are allocated to  jobs.
                     If  this  attribute  is set to true, jobs will be assigned to
                     the multiple processor nodes with the fewest free processors.
                     This packs jobs into the fewest possible nodes leaving multi-
                     ple processor nodes free for jobs which need many  processors
                     on  a  node.  If set to false,  jobs will be scattered across
                     nodes reducing conflicts over memory between jobs.  If unset,
                     the  jobs are packed on nodes in the order that the nodes are
                     declared to the server (in the nodes file).   Default  value:
                     unset  -  assigned  to  nodes  as  nodes  in  order that were
                     declared.
    
              operators
                     List of users granted batch operator privileges.   Format  of
                     the  list  is  identical  with managers above.  Requires full
                     manager privilege to set or alter.  Default  value:  root  on
                     the local host.
                     other than the job owner, are allowed to query the status  of
                     or  select  the  job.  Format: boolean (see acl_host_enable);
                     Requires full manager privilege to  set  or  alter.   default
                     value:  false  -  users may not query or select jobs owned by
                     other users.
    
              resources_available
                     The list of resource and amounts available  to  jobs  run  by
                     this  server.   The  sum of the resource of each type used by
                     all jobs running by  this  server  cannot  exceed  the  total
                     amount  listed here.  Advisory to the Scheduler, not enforced
                     by      the      server.       Format:      "resources_avail-
                     able.resource_name=value[,...]".
    
              resources_cost
                     The cost factors of various types of resources.  These values
                     are used in determining the order  of  releasing  members  of
                     synchronous  job  sets,  see  the  section on Synchronize Job
                     Starts.  For the most part, these value are purely  arbitrary
                     and have meaning only in the relative values between systems.
                     The cost of the resources requested by a job is  the  sum  of
                     the  products  of the various resources_cost s and the amount
                     of each resource requested by the job.  It is  not  necessary
                     to assign a cost for each possible resource, only those which
                     the site wishes to be considered in synchronous job  schedul-
                     ing.    Format:   "resources_cost.resource_name=value[,...]";
                     default value: none, cost of resource is not computed.
    
              resources_default
                     The list of default resource values that are  set  as  limits
                     for  a  job  executing  on  this server when the job does not
                     specify a limit, and there  is  no  queue  default.   Format:
                     "resources_default.resource_name=value[,...]"; default value:
                     no limit.
    
              resources_max
                     The maximum amount of each resource which can be requested by
                     a  single  job  executing  on  this  server if there is not a
                     resources_max valued defined for the queue in which  the  job
                     resides.   Format: "resources_max.resource_name=value[,...]";
                     default value: infinite usage.
    
              sched_version
                     A string specifying the scheduler version.  Schedulers should
                     check  this string when starting and not become active if the
                     wrong string is found.  This is ignored by pbs_server.
    
              scheduler_iteration
                     The time, in seconds, between iterations of attempts  by  the
                     batch server to schedule jobs.  On each iteration, the server
                     examines the available resources and runnable jobs to see  if
                     a  job  can be initiated.  This examination also occurs when-
                     Guide.  Format: boolean (see acl_host_enable); default value:
                     value of -a option when server is invoked, if -a is not spec-
                     ified,  the value is recovered from the prior server run.  If
                     it has never been set, the value is "false".
    
              server_name
                     The name of the server which is the same as  the  host  name.
                     If  the hostname resolves to an external IP address, then set
                     this to a name that resolves to the internal IP.
    
              submit_hosts
                     A list of hostnames allowed to  submit  jobs  to  this  batch
                     server regardless of ruserok().
    
              system_cost
                     An arbitrary value factored into the resource cost of any job
                     managed by this server for the  purpose  of  selecting  which
                     member   of   synchronous   set   is   released   first,  see
                     resources_cost and section  3.2.2,  Synchronize  Job  Starts.
                     [default value: none, cost of resource is not computed]
    
              tcp_timeout
                     Specifies  the  pbs_server  to  pbs_mom TCP socket timeout in
                     seconds.  Format: integer; default value: 6.
    
           The following attributes are read-only,  they  are  maintained  by  the
           server and cannot be changed by a client.
    
              resources_assigned
                     The  total  amount of certain types of resources allocated to
                     running jobs.
    
              server_state
                     The current state of the server:
    
                     Active The server is running and will invoke the  job  sched-
                            uler as required to schedule jobs for execution.
    
                     Idle   The  server  is  running  but  will not invoke the job
                            scheduler.
    
                     Scheduling
                            The server is running  and  there  is  an  outstanding
                            request to the job scheduler.
    
                     Terminating
                            The server is terminating.  No additional jobs will be
                            scheduled.
    
                     Terminating, Delayed
                            The server is terminating in delayed mode.  The server
    
    
    

    SEE ALSO

           the PBS ERS, qmgr(1B), pbs_resources(7B)
    
    
    

    Local pbs_server_attributes(7B)

    
    
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