HP XC System Software Administration Guide Version 3.1

Table 4-1 Linux and third-party System Services (continued)
Database NameFunctionService
lvs
Handles the placement of user login sessions on nodes
when a user logs in to the cluster alias.
LVS Director
nat
Network Address Translation server.NAT Server
nat_client
Network Address Translation client.NAT Client
network
Gathers information about all network adapters and
stores it in the management database.
Network Adapter Setup
nfs_server
Runs an NFS server for sharing file systems.NFS Server
ntp
Synchronizes the clocks of nodes.Network Time Protocol
syslog
System logging service.Syslog
syslogng_forward
Gathers logging information from subordinate nodes
running syslog.
Syslog-ng Aggregator
swmlogger
Monitors the Quadrics switch for problems.Quadrics Switch Monitor
Table 4-2 lists key HP XC system services, listed alphabetically by their database name. This list includes
third-party services that have been modified by HP for use in the HP XC system.
Table 4-2 HP XC System Services
Database NameFunctionHP XC Service
cmfd
Communicates with node consoles.Console Management Facility
Master
hpasm
Environmental monitor for ProLiant DL585 servers
only.
Environment Monitoring for DL585
hptc_cluster_fsServes the /hptc_cluster file systems.
HPC File System Server
hptc_cluster_fs_clientMounts the /hptc_cluster file systems.
HPC File System Client
hptc-lm
Manages licenses for HP XC components.License Manager
mond
(System Monitoring daemon) Monitors nodesSupermon
mpiic
Sets up HP-MPI to use the correct system interconnect
for your system.
HP MPI system interconnect Setup
nagios
Aggregates information from Nagios daemons on
multiple nodes.
Nagios Aggregator
nrpe
Executes plug-ins on remote hosts. This service runs
on all nodes.
Nagios Remote Plug-In Executor
nsca
Submits passive service check results to another server
running Nagios. This service runs only on a Nagios
master. See Chapter 8 (page 101) for more information.
Nagios Service
pdsh
High-performance, parallel remote shell utilityParallel Distributed Shell
powerd
Manages node power.Power Daemon Server
slurm_computeRuns the slurmd daemon to allow jobs to be
scheduled by SLURM.
Slurm Compute
slurm_controller
Manages nodes, partitions, and jobsSlurm Central Control Service
slurm_launch
Allows user to launch jobs on nodes with
slurm_compute service.
Slurm Launch
smartd
Monitors the reliability of specific hard drives on
CP6000 systems.
smartd daemon
supermond
Gathers information from subordinate nodes running
Supermon.
Supermon Aggregator
systemimage-server-rsync
Holds and distributes the system images.Image Server
56 Managing and Customizing System Services