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4.2. 添加文件系统监控

Pacemaker 不会主动监控挂载点，除非文件系统资源管理它们。在横向扩展环境中，数据库可以分布到不同的可用区。挂载点可以特定于某个区域，然后需要指定为节点属性。如果只应在文件系统资源中处理挂载，则应从 /etc/fstab 中删除它们。需要挂载才能运行 SAP HANA 服务，因此在 SAP HANA 服务启动之前，顺序限制必须确保挂载文件系统。如需更多信息，请参阅 当 HANA 文件系统位于 NFS 共享时，如何在 Pacemaker 集群中配置 SAP HANA Scale-Out System Replication？

4.2.1. filesystem 资源示例
复制链接

示例配置示例类似如下：

列出 pcs node 属性： 

[root@dc1hana01]# pcs node attribute
Node Attributes:
 saphdb1: hana_hdb_gra=2.0 hana_hdb_site=DC1 hana_hdb_vhost=sapvirthdb1
 saphdb2: hana_hdb_gra=2.0 hana_hdb_site=DC1 hana_hdb_vhost=sapvirthdb2
 saphdb3: hana_hdb_gra=2.0 hana_hdb_site=DC2 hana_hdb_vhost=sapvirthdb3
 saphdb4: hana_hdb_gra=2.0 hana_hdb_site=DC2 hana_hdb_vhost=sapvirthdb4
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请注意，pcs node 属性和 saphdb1 hana_hdb_site=DC1 属性名称处于小写。

假设我们有当前的配置：

  • SID=RH1
  • Instance_Number=10
Expand

节点

AZ

属性

value

dc1hana01

DC1

NFS_SHARED_RH1_SITE

DC1

dc1hana02

DC1

NFS_SHARED_RH1_SITE

DC1

dc2hana01

DC2

NFS_SHARED_RH1_SITE

DC2

dc2hana02

DC2

NFS_SHARED_RH1_SITE

DC2

以下是为数据和日志设置节点属性挂载点的示例： 

[root@dc1hana01]# pcs resource create nfs_hana_shared_dc1 ocf:heartbeat:Filesystem device=svm-012ab34cd45ef67.fs-0879de29a7fbb752d.fsx.ap-southeast-2.amazonaws.com:/sap_hana_dc1_log_shared/shared directory=/hana/shared fstype=nfs options=defaults,suid op monitor interval=60s on-fail=fence timeout=20s OCF_CHECK_LEVEL=20 clone
[root@dc1hana01]# pcs resource create nfs_hana_log_dc1 ocf:heartbeat:Filesystem device=svm-012ab34cd45ef67.fs-0879de29a7fbb752d.fsx.ap-southeast-2.amazonaws.com:/sap_hana_dc1_log_shared/lognode1 directory=/hana/log/HDB fstype=nfs options=defaults,suid op monitor interval=60s on-fail=fence timeout=20s OCF_CHECK_LEVEL=20 clone
[root@dc1hana01]# pcs resource create nfs_hana_log2_dc1 ocf:heartbeat:Filesystem device=svm-012ab34cd45ef67.fs-0879de29a7fbb752d.fsx.ap-southeast-2.amazonaws.com:/sap_hana_dc1_log_shared/lognode2 directory=/hana/log/HDB fstype=nfs options=defaults,suid op monitor interval=60s on-fail=fence timeout=20s OCF_CHECK_LEVEL=20 clone
[root@dc1hana01]# pcs resource create nfs_hana_shared_dc2 ocf:heartbeat:Filesystem device=svm-012ab34cd45ef78.fs-088e3f66bf4f22c33.fsx.ap-southeast-2.amazonaws.com:/sap_hana_dc2_log_shared/shared directory=/hana/shared fstype=nfs options=defaults,suid op monitor interval=60s on-fail=fence timeout=20s OCF_CHECK_LEVEL=20 clone
[root@dc1hana01]# pcs resource create nfs_hana_log_dc2 ocf:heartbeat:Filesystem device=svm-012ab34cd45ef678.fs-088e3f66bf4f22c33.fsx.ap-southeast-2.amazonaws.com:/sap_hana_dc2_log_shared/lognode1 directory=/hana/log/HDB fstype=nfs options=defaults,suid op monitor interval=60s on-fail=fence timeout=20s OCF_CHECK_LEVEL=20 clone
[root@dc1hana01]# pcs resource create nfs_hana_log2_dc2 ocf:heartbeat:Filesystem device=svm-012ab34cd45ef678.fs-088e3f66bf4f22c33.fsx.ap-southeast-2.amazonaws.com:/sap_hana_dc2_log_shared/lognode2 directory=/hana/log/HDB fstype=nfs options=defaults,suid op monitor interval=60s on-fail=fence timeout=20s OCF_CHECK_LEVEL=20 clone
[root@dc1hana01]# pcs node attribute sap-dc1-dbn2 NFS_HDB_SITE=DC1N2
[root@dc1hana01]# pcs node attribute sap-dc2-dbn1 NFS_HDB_SITE=DC2N1
[root@dc1hana01]# pcs node attribute sap-dc2-dbn2 NFS_HDB_SITE=DC2N2
[root@dc1hana01]# pcs node attribute sap-dc1-dbn1 NFS_SHARED_HDB_SITE=DC1
[root@dc1hana01]# pcs node attribute sap-dc1-dbn2 NFS_SHARED_HDB_SITE=DC1
[root@dc1hana01]# pcs node attribute sap-dc2-dbn1 NFS_SHARED_HDB_SITE=DC2
[root@dc1hana01]# pcs node attribute sap-dc2-dbn2 NFS_SHARED_HDB_SITE=DC2
[root@dc1hana01]# pcs constraint location nfs_hana_shared_dc1-clone rule resource-discovery=never score=-INFINITY NFS_SHARED_HDB_SITE ne DC1
[root@dc1hana01]# pcs constraint location nfs_hana_log_dc1-clone rule resource-discovery=never score=-INFINITY NFS_HDB_SITE ne DC1N1
[root@dc1hana01]# pcs constraint location nfs_hana_log2_dc1-clone rule resource-discovery=never score=-INFINITY NFS_HDB_SITE ne DC1N2
[root@dc1hana01]# pcs constraint location nfs_hana_shared_dc2-clone rule resource-discovery=never score=-INFINITY NFS_SHARED_HDB_SITE ne DC2
[root@dc1hana01]# pcs constraint location nfs_hana_log_dc2-clone rule resource-discovery=never score=-INFINITY NFS_HDB_SITE ne DC2N1
[root@dc1hana01]# pcs constraint location nfs_hana_log2_dc2-clone rule resource-discovery=never score=-INFINITY NFS_HDB_SITE ne DC2N2
[root@dc1hana01]# pcs resource enable nfs_hana_shared_dc1 *[root@dc1hana01]# pcs resource enable nfs_hana_log_dc1
[root@dc1hana01]# pcs resource enable nfs_hana_log2_dc1
[root@dc1hana01]# pcs resource enable nfs_hana_shared_dc2
[root@dc1hana01]# pcs resource enable nfs_hana_log_dc2
[root@dc1hana01]# pcs resource enable nfs_hana_log2_dc2
[root@dc1hana01]# pcs resource update nfs_hana_shared_dc1-clone meta clone-max=2 interleave=true
[root@dc1hana01]# pcs resource update nfs_hana_shared_dc2-clone meta clone-max=2 interleave=true
[root@dc1hana01]# pcs resource update nfs_hana_log_dc1-clone meta clone-max=1 interleave=true
[root@dc1hana01]# pcs resource update nfs_hana_log_dc2-clone meta clone-max=1 interleave=true
[root@dc1hana01]# pcs resource update nfs_hana_log2_dc1-clone meta clone-max=1 interleave=true
[root@dc1hana01]# pcs resource update nfs_hana_log2_dc2-clone meta clone-max=1 interleave=true
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