########### nodegroup.5 ########### .. highlight:: perl **** NAME **** \ **nodegroup**\ - a table in the xCAT database. ******** SYNOPSIS ******** \ **nodegroup Attributes:**\ \ *groupname*\ , \ *grouptype*\ , \ *members*\ , \ *membergroups*\ , \ *wherevals*\ , \ *comments*\ , \ *disable*\ *********** DESCRIPTION *********** Contains group definitions, whose membership is dynamic depending on characteristics of the node. ********************* nodegroup Attributes: ********************* \ **groupname**\ Name of the group. \ **grouptype**\ Static or Dynamic. A static group is defined to contain a specific set of cluster nodes. A dynamic node group is one that has its members determined by specifying a selection criteria for node attributes. \ **members**\ The value of the attribute is not used, but the attribute is necessary as a place holder for the object def commands. (The membership for static groups is stored in the nodelist table.) \ **membergroups**\ This attribute stores a comma-separated list of nodegroups that this nodegroup refers to. This attribute is only used by PCM. \ **wherevals**\ A list of "attr\*val" pairs that can be used to determine the members of a dynamic group, the delimiter is "::" and the operator \* can be ==, =~, != or !~. \ **comments**\ Any user-written notes. \ **disable**\ Set to 'yes' or '1' to comment out this row. ******** SEE ALSO ******** \ **nodels(1)**\ , \ **chtab(8)**\ , \ **tabdump(8)**\ , \ **tabedit(8)**\