Use the select operation to indicate that specific members of a machine group should be included or excluded from operations on that group. This capability is useful if an operation needs to be tried again on specific group members that failed during an initial operation on the group. When a group member is marked as being excluded, it remains so until it is included again.
In the Web-based System Manager NIM application, formal machine groups are not explicitly created and managed.
To include or exclude a group member, enter the following:
nim -o select -a include_all=Value -a exclude_all=Value \ -a include=MemberName -a exclude=MemberName GroupName
As an example, to exclude the machine, Standalone2 , from further operations on machine group, MacGrp1 and to include a previously excluded machine, Standalone3 , enter:
nim -o select -a exclude=Standalone2 -a include=Standalone3 \ MacGrp1
The special attributes include_all and exclude_all, when assigned a value of yes, can be used respectively to include or exclude all members in a group. The select operation evaluates command line attributes from left to right. The following example shows how to exclude all members except Standalone2 from subsequent operations on the machine group, MacGrp1 :
nim -o select -a exclude_all=yes -a include=Standalone2 MacGrp1
Using the special -g option shows the excluded status of the group's members:
lsnim -g MacGrp1
Group member information similar to the following is displayed:
MacGrp1: type = mac_group member1=Standalone1;ready for a NIM operation,not running;EXCLUDED member2=Standalone2;ready for a NIM operation; currently running; member3=Standalone3;ready for a NIM operation,not running;EXCLUDED