Red Hat ENTERPRISE LINUX 5 - GLOBAL NETWORK BLOCK DEVICE Guia de Instalação Página 51
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7.1. Adding a Failover Domain
To add a failover domain, follow the steps in this section. The starting point of the procedure is
at the cluster-specific page that you navigate to from Choose a cluster to administer
displayed on the cluster tab.
1. At the detailed menu for the cluster (below the clusters menu), click Failover Domains.
Clicking Failover Domains causes the display of failover domains with related services and
the display of menu items for failover domains: Add a Failover Domain and Configure a
Failover Domain .
2. Click Add a Failover Domain. Clicking Add a Failover Domain causes the display of the
Add a Failover Domain page.
3. At the Add a Failover Domain page, specify a failover domain name at the Failover
Domain Name text box.
Note
The name should be descriptive enough to distinguish its purpose relative to
other names used in your cluster.
4. To enable setting failover priority of the members in the failover domain, click the Prioritized
checkbox. With Prioritized checked, you can set the priority value, Priority, for each node
selected as members of the failover domain.
5. To restrict failover to members in this failover domain, click the checkbox next to Restrict
failover to this domain's members. With Restrict failover to this domain's members
checked, services assigned to this failover domain fail over only to nodes in this failover
domain.
6. Configure members for this failover domain. Under Failover domain membership, click the
Membercheckbox for each node that is to be a member of the failover domain. If Prioritized
is checked, set the priority in the Priority text box for each member of the failover domain.
7. Click Submit. Clicking Submit causes a progress page to be displayed followed by the
display of the Failover Domain Form page. That page displays the added resource and
includes the failover domain in the cluster menu to the left under Domain.
8. To make additional changes to the failover domain, continue modifications at the Failover
Domain Form page and click Submit when you are done.
7.2. Modifying a Failover Domain
To modify a failover domain, follow the steps in this section. The starting point of the procedure
is at the cluster-specific page that you navigate to from Choose a cluster to administer
Modifying a Failover Domain
41
- Red Hat Cluster for Red 1
- Hat Enterprise Linux 1
- Introduction 7
- 1. Document Conventions 8
- 2. Feedback 9
- Management Overview 11
- 2. Conga 14
- Figure 1.3. luci homebase Tab 15
- Figure 1.4. luci cluster Tab 16
- Figure 1.5. luci storage Tab 17
- 3.2. Cluster Status Tool 20
- Table 1.1. Command Line Tools 21
- Before Configuring a Red Hat 23
- Instant-Off 30
- 5. Configuring max_luns 33
- 7. Multicast Addresses 34
- 1. Configuration Tasks 37
- 2. Starting luci and ricci 38
- 3. Creating A Cluster 39
- 4. Global Cluster Properties 40
- 5. Configuring Fence Devices 42
- 7.1. Adding a Failover Domain 51
- 8. Adding Cluster Resources 53
- Managing Red Hat Cluster With 57
- 2. Managing Cluster Nodes 58
- /etc/cluster/ 59
- /proc/partitions and checks 67
- /bin/sh -c. A return 67
- 4. Configuring Fence Devices 68
- Two Nodes 71
- Than Two Nodes 72
- 6.1. Adding a Failover Domain 76
- 7. Adding Cluster Services 80
- Table 6.1. Members Status 87
- Table 6.2. Services Status 87
- Apache HTTP Server 93
- 2. Configuring Shared Storage 94
- /var/www/html/) 96
- /dev/sda3) 96
- Appendix B. Fence Device 99
- Table B.4. Dell DRAC 100
- Table B.8. IBM Blade Center 101
- Table B.11. Manual Fencing 102
- Table B.12. McData SAN Switch 102
- Table B.15. SCSI Fencing 103
- Table B.17. Vixel SAN Switch 103
- Table B.18. WTI Power Switch 104
- Appendix C. HA Resource 105
- Parameters 105
- Table C.2. Apache Server 106
- Table C.3. File System 107
- Table C.4. GFS 107
- Table C.5. IP Address 108
- Table C.6. LVM 108
- Table C.7. MySQL® 108
- Table C.8. NFS Client 109
- Table C.9. NFS Export 109
- Table C.10. NFS Mount 109
- Table C.11. Open LDAP 110
- Table C.12. Oracle® 10g 110
- Table C.13. PostgreSQL 8 111
- Table C.14. SAP® Database 111
- Table C.15. SAP® Instance 112
- Table C.16. Samba Service 112
- Table C.17. Script 112
- Table C.18. Service 113
- Important 114
- Table C.21. Virtual Machine 115
- /usr/share/cluster of any 117
- /etc/cluster/cluster.conf 117
- Resources 118
- Resource Agent, service.sh 120
- </service> 125
- __independent_subtree 125
- Ordering 126
- Cluster from RHEL 4 to RHEL 5 129
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