mpinfo: Configuration and Status

Use the mpinfo command to display information about the configuration of partitions and nodes, and status information about nodes.

Overview

You can display information on all partitions or nodes, or on any subset of them. You can either list the partitions or nodes, or you can use the -R option, along with a resource requirement specifier (RRS), to have the CRE determine which objects should be displayed. See "Expressing More Complex Resource Requirements" for information on RRSs. If you specify a partition, you must include only partition attributes in the RRS; if you specify a node, you must use only node attributes.

Use the -A option to specify an attribute whose value you want to display. If you want to display more than one attribute, separate them by commas with no spaces. Alternatively, you can issue multiple -A options on the same command line. If you omit -A, mpinfo displays values for a default set of attributes.

Use the -v option to display information about all attributes for one or more partitions or nodes. These include attributes defined by the system administrator.

When a Boolean attribute is displayed, yes indicates that the attribute is set, and no indicates that the attribute is not set.

Partitions

Use the -P option to display information for all partitions.

Use the -p option, followed by the name of the partition, to display information about an individual partition. To display information about multiple partitions, list the names, either separating them with commas and no spaces or enclosing the list in quotation marks.

Partition attributes whose settings you can view via mpinfo are shown in Table 4-2; the heading displayed for each attribute is shown in parentheses after its description.

The following summarizes various points discussed earlier.

• You can specify one or more of these attributes via the -A option, or as part of an RRS as an argument to the -R option. You can use either the attribute's real name or, in some cases, a shorter version.

• For attributes that are defined as negatives (for example, no_logins), you can specify a positive version (for example, logins) for -A.

• You can list the settings of all attributes (including any system administrator-defined attributes) on a per-partition basis via the -v option.

• You can list the names and brief descriptions of these attributes via the -lp option.

Table 4-2 Partition attributes available via mpinfo

Attribute (mpadmin form)	Description (mpinfo output heading)
enabled	Set if the partition is enabled, that is, if it is ready to accept jobs (ENA).
maxt	Maximum number of simultaneously running processes allowed on each node of the partition (MAXT).
name	Name of the partition (NAME).
login	Allow logins. When login is set, LOG is set. Note that this is the inverse of the mpadmin meaning. (LOG).
mp	Allow multinode jobs. When no_mp_jobs is unset, MP is set. Note that this is the inverse of the mpadmin meaning. (MP).
nodes	Number of nodes in the partition (NODES).

The following example illustrates the default mpinfo output for partitions:

% mpinfo -P 
  NAME         NODES: Tot(cpu) Enb(cpu) Onl(cpu) ENA LOG MP
  part10                1(  4)   1(  4)   1(  4) no  yes yes
  part11                1(  4)   1(  4)   1(  4) yes yes yes

The following example displays the names, numbers of nodes, and enabled status for all partitions:

% mpinfo -A name,enabled,nodes -P
 NAME         ENA NODES: Tot(cpu) Enb(cpu) Onl(cpu)
 part10       no           1(  4)   1(  4)   1(  4)
 part11       yes          1(  4)   1(  4)   1(  4)

Nodes

Use the -N option to display information about all nodes.

Use the -n option, followed by the name(s) of one or more nodes. When listing multiple node names, separate the names with commas without spaces.

The following table shows the node attributes that you can display via mpinfo. The heading that is displayed for each attribute is shown in parentheses at the end of each description.

Note these points:

• You can specify one or more of these attributes via the -A option, or as part of an RRS as an argument to the -R option. You can use either the attribute's real name or, in some cases, a shorter version.

• You can list the settings of all attributes (including any system administrator-defined attributes) on a per-node basis via the -v option.

• You can list the names and brief descriptions of these attributes via the -ln option.

Table 4-3 Node attributes available via mpinfo

Attribute	Short Form	Description (mpinfo output heading)
cpu_idle	idle	Percent of time CPU is idle (IDLE).
cpu_iowait	iowait	Percent of time CPU spends waiting for I/O (IWAIT).
cpu_kernel	kernel	Percent of time CPU spends in kernel (KERNL).
cpu_swap	swap	Percent of time CPU spends waiting for swap (SWAP).
cpu_type	cpu	CPU architecture (CPU).
cpu_user	user	Percent of time CPU spends running user's program (USER).
domain		DNS domain.
enabled		If set, node is available for spawning jobs on it.
load1		Load average for the past minute (LOAD1).
load5		Load average for the past five minutes (LOAD5).
load15		Load average for the past 15 minutes (LOAD15).
manufacturer	manuf	Hardware manufacturer (MANUFACTURER).
mem_free	memf	Node's available RAM (in Mbytes) (FMEM).
mem_total	memr	Node's total physical memory (in Mbytes) (MEM).
name		Name of the node (NAME).
ncpus	ncpu	Number of CPU modules in the node (NCPU).
os_arch_kernel	mach	Node's kernel architecture (MACH).
os_max_proc	maxproc	Maximum number of processes allowed on the node (note that this is all processes, including cluster daemons) (MPROC).
os_name	os	Name of the operating system running on the node (OS).
os_release	osrel	Operating system's release number (OSREL).
os_release_maj	osmaj	The major number of the operating system release number (MAJ).
os_release_min	osmin	The minor number of the operating system release number (MIN).
os_version	osver	Operating system's version (OSVER).
partition		The partition of which the node is a member (PARTITION).
serial_number	serno	Hardware serial number (SERIAL).
swap_free	swapf	Node's available swap space (in Mbytes) (FSWP).
swap_total	swapr	Node's total swap space (in Mbytes) (SWAP).

The following is an example of the mpinfo output for nodes:

% mpinfo -N
node0 87 =>mpinfo -N
NAME  UP PARTITION OS    OSREL NCPU FMEM   FSWP    LOAD1 LOAD5 LOAD15
node0 y  p0        SunOS 5.6   1    0.89   158.34  0.09  0.11  0.13
node1 y  p0        SunOS 5.6   1    31.41  276.12  0.00  0.01  0.01
node2 y  p1        SunOS 5.6   1    25.59  279.77  0.00  0.00  0.01
node3 y  p1        SunOS 5.6   1    25.40  279.88  0.00  0.00  0.01

The following example shows only the names of nodes and the partition they're in:

% mpinfo -N -A name,partition
NAME         PARTITION
node0        part0
node1        part0
node2        part1
node3        part1

Cluster

Use the -C option to display information about the entire cluster. For example,

% mpinfo -C
NAME   ADMINISTRATOR    DEF_INTER_PART
node0  wmitty           part0

where:

• NAME - The name of the cluster

• ADMINISTRATOR - The name of its administrator

• DEF_INTER_PART - The default interactive partition