Cluster Status
| display cluster summary | hastatus -summary |
| continually monitor cluster | hastatus |
| verify the cluster is operating | hasys -display |
Cluster Details
| information about a cluster | haclus -display |
| value for a specific cluster attribute | haclus -value <attribute> |
| modify a cluster attribute | haclus -modify <attribute name> <new> |
| Enable LinkMonitoring | haclus -enable LinkMonitoring |
| Disable LinkMonitoring | haclus -disable LinkMonitoring |
System Operations
| add a system to the cluster | hasys -add <sys> |
| delete a system from the cluster | hasys -delete <sys> |
| Modify a system attributes | hasys -modify <sys> <modify options> |
| list a system state | hasys -state |
| Force a system to start | hasys -force |
| Display the systems attributes | hasys -display [-sys] |
| List all the systems in the cluster | hasys -list |
| Change the load attribute of a system | hasys -load <system> <value> |
| Display the value of a systems nodeid (/etc/llthosts) | hasys -nodeid |
| Freeze a system (No offlining system, No groups onlining) |
hasys -freeze [-persistent][-evacuate] Note: main.cf must be in write mode |
| Unfreeze a system ( reenable groups and resource back online) |
hasys -unfreeze [-persistent] Note: main.cf must be in write mode |
Service Groups
| add a service group | haconf -makerw hagrp -add groupw hagrp -modify groupw SystemList sun1 1 sun2 2 hagrp -autoenable groupw -sys sun1 haconf -dump -makero |
| delete a service group | haconf -makerw hagrp -delete groupw haconf -dump -makero |
| change a service group |
haconf -makerw Note: use the "hagrp -display <group>" to list attributes |
| list the service groups | hagrp -list |
| list the groups dependencies | hagrp -dep <group> |
| list the parameters of a group | hagrp -display <group> |
| display a service group's resource | hagrp -resources <group> |
| display the current state of the service group | hagrp -state <group> |
| clear a faulted non-persistent resource in a specific grp | hagrp -clear <group> [-sys] <host> <sys> |
| Change the system list in a cluster |
# remove the host # add the new host (don't forget to state its position) # update the autostart list |
Service Group Operations
| Start a service group and bring its resources online | hagrp -online <group> -sys <sys> |
| Stop a service group and takes its resources offline | hagrp -offline <group> -sys <sys> |
| Switch a service group from system to another | hagrp -switch <group> to <sys> |
| Enable all the resources in a group | hagrp -enableresources <group> |
| Disable all the resources in a group | hagrp -disableresources <group> |
| Freeze a service group (disable onlining and offlining) |
hagrp -freeze <group> [-persistent] note: use the following to check "hagrp -display <group> | grep TFrozen" |
| Unfreeze a service group (enable onlining and offlining) |
hagrp -unfreeze <group> [-persistent] note: use the following to check "hagrp -display <group> | grep TFrozen" |
| Enable a service group. Enabled groups can only be brought online |
haconf -makerw Note to check run the following command "hagrp -display | grep Enabled" |
| Disable a service group. Stop from bringing online |
haconf -makerw Note to check run the following command "hagrp -display | grep Enabled" |
| Flush a service group and enable corrective action. | hagrp -flush <group> -sys <system> |
Resources
| add a resource | haconf -makerw hares -add appDG DiskGroup groupw hares -modify appDG Enabled 1 hares -modify appDG DiskGroup appdg hares -modify appDG StartVolumes 0 haconf -dump -makero |
| delete a resource | haconf -makerw hares -delete <resource> haconf -dump -makero |
| change a resource |
haconf -makerw Note: list parameters "hares -display <resource>" |
| change a resource attribute to be globally wide | hares -global <resource> <attribute> <value> |
| change a resource attribute to be locally wide | hares -local <resource> <attribute> <value> |
| list the parameters of a resource | hares -display <resource> |
| list the resources | hares -list |
| list the resource dependencies | hares -dep |
Resource Operations
| Online a resource | hares -online <resource> [-sys] |
| Offline a resource | hares -offline <resource> [-sys] |
| display the state of a resource( offline, online, etc) | hares -state |
| display the parameters of a resource | hares -display <resource> |
| Offline a resource and propagate the command to its children | hares -offprop <resource> -sys <sys> |
| Cause a resource agent to immediately monitor the resource | hares -probe <resource> -sys <sys> |
| Clearing a resource (automatically initiates the onlining) | hares -clear <resource> [-sys] |
Resource Types
| Add a resource type | hatype -add <type> |
| Remove a resource type | hatype -delete <type> |
| List all resource types | hatype -list |
| Display a resource type | hatype -display <type> |
| List a partitcular resource type | hatype -resources <type> |
| Change a particular resource types attributes | hatype -value <type> <attr> |
Resource Agents
| add a agent | pkgadd -d . <agent package> |
| remove a agent | pkgrm <agent package> |
| change a agent | n/a |
| list all ha agents | haagent -list |
| Display agents run-time information i.e has it started, is it running ? | haagent -display <agent_name> |
| Display agents faults | haagent -display |grep Faults |
Resource Agent Operations
| Start an agent | haagent -start <agent_name>[-sys] |
| Stop an agent | haagent -stop <agent_name>[-sys] |