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EXTEND FACILITY
Backend-list
is a list of
backend-nodes
separated by commas. If there is more
than one
backend-node
, then
backend-list
must be enclosed in parentheses.
Backend-node
is either the name of a node or
@file-spec
, where
file-spec
specifies a file containing a
backend-list
on each line.
/BALANCE
/NOBALANCE (D)
Specifies that load balancing is enabled for frontend/router connections across the
facility.
In order for load balancing to function correctly, /BALANCE must be defined on
all
routers, as well as on those frontends requiring load balancing.
It has no significance on a backend node, and will be ignored if specified.
The default behavior (/NOBALANCE) is for a frontend to connect to the
preferred Router
. Preferred routers are defined by the order specified in
the /ROUTER qualifier of the EXTEND FACILITY command. Note that this
preference is subject to the router being available and quorate.
For more details on frontend load balancing, see Section 2.6, Router Load
Balancing.
/CALL_OUT[=role-list]
/NOCALL_OUT (D)
Specifies which node types are to have
call-out
servers running on them.
Role-list
is a comma separated list of
roles
.If
role-list
contains more than
one
role
then it must be enclosed in parentheses.
Role
is one of the keywords
ROUTER
or
BACKEND
.
The default for
role-list
is
(ROUTER,BACKEND)
.
/CLUSTER
/NOCLUSTER (D)
Specifies that the command is executed on all the nodes in the cluster.
If neither
/NODE
nor
/CLUSTER
is specified then the command is executed on the
nodes specified by the latest
SET ENVIRONMENT
command. If no
SET ENVIRONMENT
command has been entered then the command is executed only on the node where
the command was issued.
Note: In environments that do not support clustering, use of the /CLUSTER
qualifier will cause the relevant command to be executed on the local node only.
/FRONTEND=frontend-list
/NOFRONTEND (D)
Specifies the names of the added nodes that act as frontends in this facility.
Frontend-list
is a list of
frontend-nodes
separated by commas. If there is more
than one
frontend-node
, then
frontend-list
must be enclosed in parentheses.
Frontend-node
is either the name of a node or
@file-spec
, where
file-spec
specifies a text file containing a
frontend-list
on each line.
/NODE[=node-list]
/NODE=default-node-list (D)
Specifies that the command is executed on all nodes specified in
node-list
.If
node-list
is omitted then the command is executed only on the node where the
command was issued.
RTR Command Line Interface 6–93