lscluster Command
Purpose
Lists the cluster configuration information.
Syntax
lscluster { -i | -d | -c [ -n clustername ] } | { -m [ nodename ] | -s | -i interfacename | -d diskname }
Description
The lscluster command displays the attributes associated with the cluster and the cluster configuration.
Flags
| Item | Description |
|---|---|
| -c | Lists the cluster configuration. |
| -d | Lists the cluster storage interfaces. |
| -i | Lists the network device driver (NDD) and pseudo
NDD interfaces that are currently configured on each of the Cluster
Aware AIX® (CAA) nodes. CAA might
not use all of the interfaces to exchange heartbeat packets. Note: The
storage framework communication (
sfwcom) interface
is displayed as UP only if this interface is configured
and available. Otherwise, it is not displayed. |
| -m | Lists the cluster node configuration information. This information includes a list of points of contact. Points of contact are cluster configuration interfaces that are used by the cluster to exchange heartbeat packets. If a point of contact has no CAA traffic for an extended period, it is removed from the list of points of contact. |
| -n | Allows the cluster names to be queried for all interfaces, storage, or cluster configurations (applicable only with -i, -d, or -c flags). |
| -s | Lists the cluster network statistics on the local node. |
Examples
- To list the cluster configuration for all nodes, enter:
lscluster –mThe sample of the output follows:# lscluster -m Calling node query for all nodes... Node query number of nodes examined: 2 Node name: nodeA.ibm.com Cluster shorthand id for node: 1 uuid for node: 84088524-b124-11e3-8210-32c8e74b1e02 State of node: UP NODE_LOCAL Smoothed rtt to node: 0 Mean Deviation in network rtt to node: 0 Number of clusters node is a member in: 1 CLUSTER NAME TYPE SHID UUID Sample local 84ee37f4-b124-11e3-8210-32c8e74b1e02 Number of points_of_contact for node: 0 Point-of-contact interface & contact state n/a ------------------------------ Node name: nodeB.ibm.com Cluster shorthand id for node: 2 uuid for node: 8492a5a6-b124-11e3-8210-32c8e74b1e02 State of node: UP Smoothed rtt to node: 70 Mean Deviation in network rtt to node: 82 Number of clusters node is a member in: 1 CLUSTER NAME TYPE SHID UUID Sample local 84ee37f4-b124-11e3-8210-32c8e74b1e02 Number of points_of_contact for node: 2 Point-of-contact interface & contact state dpcom UP RESTRICTED en0 UP - To list the cluster configuration for the local node, enter:
lscluster -sThe sample of the output follows:# lscluster -s Cluster Network Statistics: pkts seen: 33861217 passed: 32052241 IP pkts: 5778096 UDP pkts: 1934943 gossip pkts sent: 1463320 gossip pkts recv: 688759 cluster address pkts: 0 CP pkts: 1808962 bad transmits: 5 bad posts: 4 Bad transmit (overflow - disk ): 0 Bad transmit (overflow - tcpsock): 0 Bad transmit (host unreachable): 0 Bad transmit (net unreachable): 0 Bad transmit (network down): 0 Bad transmit (no connection): 0 short pkts: 0 multicast pkts: 1808880 cluster wide errors: 0 bad pkts: 0 dup pkts: 0 dropped pkts: 14 pkt fragments: 1 fragments queued: 0 fragments freed: 0 pkts pulled: 0 no memory: 0 rxmit requests recv: 10 requests found: 3 requests missed: 7 ooo pkts: 0 requests reset sent: 7 reset recv: 0 remote tcpsock send: 0 tcpsock recv: 0 rxmit requests sent: 0 alive pkts sent: 0 alive pkts recv: 0 ahafs pkts sent: 2 ahafs pkts recv: 0 nodedown pkts sent: 0 nodedown pkts recv: 1 socket pkts sent: 62 socket pkts recv: 54 cwide pkts sent: 275321 cwide pkts recv: 275318 socket pkts no space: 0 pkts recv notforhere: 0 Pseudo socket pkts sent: 0 Pseudo socket pkts recv: 0 Pseudo socket pkts dropped: 0 arp pkts sent: 1 arp pkts recv: 2 stale pkts recv: 0 other cluster pkts: 4 storage pkts sent: 1 storage pkts recv: 1 disk pkts sent: 174 disk pkts recv: 0 unicast pkts sent: 275364 unicast pkts recv: 82 out-of-range pkts recv: 0 IPv6 pkts sent: 0 IPv6 pkts recv: 122 IPv6 frags sent: 0 IPv6 frags recv: 0 Unhandled large pkts: 0 mrxmit overflow : 0 urxmit overflow: 0 - To list the interface information for the local node, enter:
lscluster –iThe sample of output follows:# lscluster -i Network/Storage Interface Query Cluster Name: Sample Cluster uuid: 84ee37f4-b124-11e3-8210-32c8e74b1e02 Number of nodes reporting = 2 Number of nodes expected = 2 Node nodeA.ibm.com Node uuid = 84088524-b124-11e3-8210-32c8e74b1e02 Number of interfaces discovered = 2 Interface number 1 en0 ifnet type = 6 ndd type = 7 Mac address length = 6 Mac address = 32:C8:E7:4B:1E:02 Smoothed rrt across interface = 0 Mean Deviation in network rrt across interface = 0 Probe interval for interface = 100 ms ifnet flags for interface = 0x1E080863 ndd flags for interface = 0x0021081B Interface state UP Number of regular addresses configured on interface = 1 IPv4 ADDRESS: 9.3.199.216 broadcast 9.3.199.255 netmask 255.255.254.0 Number of cluster multicast addresses configured on interface = 1 IPv4 MULTICAST ADDRESS: 228.3.199.216 broadcast 0.0.0.0 netmask 0.0.0.0 Interface number 2 dpcom ifnet type = 0 ndd type = 305 Mac address length = 0 Mac address = 00:00:00:00:00:00 Smoothed rrt across interface = 750 Mean Deviation in network rrt across interface = 1500 Probe interval for interface = 22500 ms ifnet flags for interface = 0x00000000 ndd flags for interface = 0x00000009 Interface state UP RESTRICTED AIX_CONTROLLED Pseudo Interface Interface State DOWN Node nodeB.ibm.com Node uuid = 8492a5a6-b124-11e3-8210-32c8e74b1e02 Number of interfaces discovered = 2 Interface number 1 en0 ifnet type = 6 ndd type = 7 Mac address length = 6 Mac address = 32:C8:EF:AD:7C:02 Smoothed rrt across interface = 0 Mean Deviation in network rrt across interface = 0 Probe interval for interface = 990 ms ifnet flags for interface = 0x1E084863 ndd flags for interface = 0x0021081B Interface state UP Number of regular addresses configured on interface = 1 IPv4 ADDRESS: 9.3.199.128 broadcast 9.3.199.255 netmask 255.255.254.0 Number of cluster multicast addresses configured on interface = 1 IPv4 MULTICAST ADDRESS: 228.3.199.216 broadcast 0.0.0.0 netmask 0.0.0.0 Interface number 2 dpcom ifnet type = 0 ndd type = 305 Mac address length = 0 Mac address = 00:00:00:00:00:00 Smoothed rrt across interface = 750 Mean Deviation in network rrt across interface = 1500 Probe interval for interface = 22500 ms ifnet flags for interface = 0x00000000 ndd flags for interface = 0x00000009 Interface state UP RESTRICTED AIX_CONTROLLED Pseudo Interface Interface State DOWN - To list the storage interface information for the cluster, enter:
lscluster -dThe sample of output follows:# lscluster -d Storage Interface Query Cluster Name: Sample Cluster uuid: 84ee37f4-b124-11e3-8210-32c8e74b1e02 Number of nodes reporting = 2 Number of nodes expected = 2 Node nodeA.ibm.com Node uuid = 84088524-b124-11e3-8210-32c8e74b1e02 Number of disk discovered = 1 hdisk4 state : UP uDid : uUid : 76c94719-7335-ded6-10e2-77d61ff7998c type : REPDISK Node nodeB.ibm.com Node uuid = 8492a5a6-b124-11e3-8210-32c8e74b1e02 Number of disk discovered = 1 hdisk0 state : UP uDid : 382300c4f4f700004c0000000140799c6e39.3105VDASD03AIXvscsi uUid : 76c94719-7335-ded6-10e2-77d61ff7998c type : REPDISK - To list the cluster configuration, enter:
lscluster -cThe sample of the output follows:# lscluster -c Cluster Name: Sample Cluste UUID: 8e1d89da-b39d-11e3-91e7-d24dc2d9d309 Number of nodes in cluster = 2 Cluster ID for node nodeA.ibm.com: 1 Primary IP address for node r5r3m25.aus.stglabs.ibm.com: 9.3.207.132 Cluster ID for node nodeB.ibm.com: 2 Primary IP address for node r5r3m26.aus.stglabs.ibm.com: 9.3.207.218 Number of disks in cluster = 1 Disk = hdisk6 UUID = 57208624-fda4-d404-a7c0-8e425e2941a4 cluster_major = 0 cluster_minor = 1 Multicast for site LOCAL: IPv4 228.3.207.132 IPv6 ff05::e403:cf84 Communication Mode: multicast Local node maximum capabilities: HNAME_CHG, UNICAST, IPV6, SITE Effective cluster-wide capabilities: HNAME_CHG, UNICAST, IPV6, SI