Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 5.1 Guia de Instalação descarregar pdf (Página 147)

Failed The service is presumed dead. A service is placed into this state whenever

a resource's stop operation fails. After a service is placed into this state,

you must verify that there are no resources allocated (mounted file

systems, for example) prior to issuing a d i sabl e request. The only

operation that can take place when a service has entered this state is

d i sabl e.

Un in it ializ ed This state can appear in certain cases during startup and running

cl ustat -f.

Services St at u s Descrip t io n

Examp le 8.3. cl ustat Disp lay

[root@ example-01 ~]#clustat

Cluster Status for mycluster @ Wed Nov 17 05:40:15 2010

Member Status: Quorate

Member Name ID Status

------ ---- ---- ------

node-03.example.com 3 Online, rgmanager

node-02.example.com 2 Online, rgmanager

node-01.example.com 1 Online, Local,

rgmanager

Service Name Owner (Last) State

------- ---- ----- ------ -----

service:example_apache node-01.example.com started

service:example_apache2 (none)

disabled

8.3.2. Managing HA Services wit h cl usvcadm

You can manage HA services using the cl usvcad m command. With it you can perform the following

operations:

Enable and start a service.

Disable a service.

Stop a service.

Freeze a service

Unfreeze a service

Migrate a service (for virtual machine services only)

Relocate a service.

Restart a service.

Table 8.2, “ Service Operations” describes the operations in more detail. For a complete description

on how to perform those operations, refer to the cl usvcadm utility man page.

T ab le 8.2. Service O p erat io n s

⁠Chapt er 8 . Managing Red Hat High Availabilit y Add- O n Wit h Command Line T ools

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Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 5.1 Guia de Instalação Página 147