Red Hat ENTERPRISE LINUX 5 - GLOBAL NETWORK BLOCK DEVICE Guida di Installazione Pagina 121
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Example D.3. Ordering Within a Resource Type
Typed Child Resource Starting Order
In Example D.3, “Ordering Within a Resource Type”, the resources are started in the following
order:
1. lvm:1 — This is an LVM resource. All LVM resources are started first. lvm:1 (<lvm
name="1" .../>) is the first LVM resource started among LVM resources because it is the
first LVM resource listed in the Service foo portion of /etc/cluster/cluster.conf.
2. lvm:2 — This is an LVM resource. All LVM resources are started first. lvm:2 (<lvm
name="2" .../>) is started after lvm:1 because it is listed after lvm:1 in the Service foo
portion of /etc/cluster/cluster.conf.
3. fs:1 — This is a File System resource. If there were other File System resources in Service
foo, they would start in the order listed in the Service foo portion of
/etc/cluster/cluster.conf.
4. ip:10.1.1.1 — This is an IP Address resource. If there were other IP Address resources in
Service foo, they would start in the order listed in the Service foo portion of
/etc/cluster/cluster.conf.
5. script:1 — This is a Script resource. If there were other Script resources in Service foo,
they would start in the order listed in the Service foo portion of
/etc/cluster/cluster.conf.
Typed Child Resource Stopping Order
In Example D.3, “Ordering Within a Resource Type”, the resources are stopped in the following
order:
1. script:1 — This is a Script resource. If there were other Script resources in Service foo,
they would stop in the reverse order listed in the Service foo portion of
/etc/cluster/cluster.conf.
2. ip:10.1.1.1 — This is an IP Address resource. If there were other IP Address resources in
Service foo, they would stop in the reverse order listed in the Service foo portion of
/etc/cluster/cluster.conf.
3. fs:1 — This is a File System resource. If there were other File System resources in Service
foo, they would stop in the reverse order listed in the Service foo portion of
/etc/cluster/cluster.conf.
4. lvm:2 — This is an LVM resource. All LVM resources are stopped last. lvm:2 (<lvm
name="2" .../>) is stopped before lvm:1; resources within a group of a resource type are
Ordering
111
- 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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