Lustre 1.6 Operations Manual

19.4.3.2 Group
This section lists lst group commands.
add_group NAME NIDLIST [NIDLIST...]
Creates the group and adds a list of test nodes to the group.
NAME
NIDLIST
Name of the group.
A string that may be expanded into one or more LNET NIDs.
$ lst add_group servers 192.168.10.[35,40-45]@tcp
$ lst add_group clients 192.168.1.[10-100]@tcp 192.168.[2,4].\
[10-20]@tcp
update_group NAME [--refresh] [--clean STATE] [--remove IDLIST]
Updates the state of nodes in a group or adjusts a group’s membership. This
command is useful if some nodes have crashed and should be excluded from the
group.
–-refresh
–-clean STATUS
–-remove IDLIST
Refreshes the state of all inactive nodes in the group.
Removes nodes with a specified status from the group. Status may be:
active
busy
down
unknow
n
invalid
The node is in the current session.
The node is now owned by another session.
The node has been marked down.
The node’s status has yet to be determined.
Any state but active.
Removes specified nodes from the group.
$ lst update_group clients --refresh
$ lst update_group clients --clean busy
$ lst update_group clients --clean invalid // \
invalid == busy || down || unknown
$ lst update_group clients --remove 192.168.1.[10-20]@tcp
19-22 Lustre 1.6 Operations Manual • September 2008