DISK_ADD: Triggered when a disk is added to the cluster (for example, using the chcluster command).
DISK_ADD:集群中添加磁盘时会触发(例如,使用chcluster命令)。
DISK_DELETE: Triggered when a disk is removed from the cluster (for example, using the chcluster command).
DISK_DELETE:集群中移除磁盘时会触发(例如,使用chcluster命令)。
After reverting to a backup in this manner, remember to issue a REFRESH cluster command on the restored queue manager to ensure that it has up-to-date information about the cluster.
用这种方法返回一个备份后,记得在恢复后的队列管理器上发出一个REFRESHCLUSTER命令,以确保队列管理器拥有关于该集群的最新信息。
Execution of this command helps verify the configuration and creation of the cluster.
执行此命令有助于检查集群的配置和创建。
Cluster-wide command operation: Many security and storage-related AIX commands have been enhanced to support the operation across the cluster.
整个集群范围的命令操作:许多与安全性和存储相关的AIX命令已经得到增强,支持跨集群操作。
Because you want to find out what this command looks like when you specify a configuration ID, copy and paste the complete configuration ID of the cluster in response to this prompt.
因为我们希望了解当指定配置ID时这个命令是什么样的,所以复制并粘贴集群的完整配置ID以响应提示。
You can use this same technique to create a second cluster member; you'll find that the only difference from the command you just ran will be the name of the member to be created.
可以使用相同的技术创建第二个集群成员;与刚才运行的命令的惟一差异是要创建的成员的名称。
The only way to get a cluster member to see the new repository will be to delete one of the explicit CLUSSDR definitions, possibly accompanied by a REFRESH cluster (cluster name) repos (YES) command.
要让集群成员看到新的储存库的惟一方法是删除其中一个显式的clussdr定义,通常还可以一起使用REFRESHCLUSTER(集群名)REPOS (YES)命令。
To convert file formats to the XML-based CIB (Cluster Information base) file you will use in deployment, issue the following command.
为了将文件格式转换为部署中使用的基于XML的CIB (ClusterInformationBase)文件,请发出以下命令。
This command will list any old incomplete jobs on the LoadLeveler cluster.
这个命令将列出LoadLeveler集群中所有未完成的旧的作业。
Issue the preprpnode command on all nodes to allow communication between the cluster nodes.
在所有节点上发出preprpnode命令,从而使集群节点能够相互通信。
Run the command shown in Listing 4 on all machines in this cluster.
在集群中的所有机器上运行清单4中所示的命令。
PDSH: This compute cluster management tool can run a command on multiple machines in parallel.
pdsh:这个计算机集群管理工具可以并行地在多台计算机上运行命令。
As an additional means of indicating when a failure has occurred, you can log in to any of the cluster members and execute the hb_gui command.
另外一种指示何时发生故障的方法是,您可以登录到任何一个集群成员并执行hb_gui命令。
When viewing the PowerHA cluster network, with the cltopinfo command, the Network definitions on each node are as follows
用cltopinfo命令查看PowerHA集群网络,可以看到每个节点的网络定义如下
The lscluster -m command gives out details about the existing cluster on a node.
lscluster—m命令会提供某个节点上现存集群的详细信息。
We find that our laziest Linux cluster admins will live and die by the command line.
我们发现最懒惰的Linux集群管理员依赖于命令行。
In order to add Node3 to the cluster definition, issue the addrpnode command as a root user on Node1 or Node2, which are already online on the cluster.
为了将Node3添加到集群定义中,作为根用户在Node1或Node2(这两个节点应该已经在集群中在线)上发出addrpnode命令。
The CDR start sec2er command ensures that replicates are automatically created on all tables in the user databases so that it can sync up the data with the cluster.
cdrstartsec2er命令确保在用户数据库中的所有表上自动创建复制,以便与集群同步数据。
For example, on the test cluster for this article, a chmod command was issued on the administration node.
例如,在本文的测试集群中,在管理节点上执行chmod命令。
When you run the lsrpdomain command again, you see that the cluster is still in the process of starting up, the OpState is Pending Online.
当再次运行lsrpdomain命令时,会看到集群仍然处于启动过程中,Op State是PendingOnline。
You can check the cluster status using the onstat -g SDS command at both the primary and secondary servers. Here's what our cluster looks like.
可以使用onstat - gsds命令在主服务器和备用服务器中检查集群的状态。
Tip: You can view the state of a DB2 pureScale cluster using the db2instance -list command.
提示:您可以使用命令db2instance -list 检查一个DB2pureScale集群的状态。
To create a new cluster member, specify the parameters by editing the specj04_env.pl file and run perl specj04_addmember.pl from a DB2 command window on the deployment manager machine.
要创建一个新的集群成员,需要编辑specj04_env . pl文件,并在部署管理器所在机器上从DB 2命令窗口中运行perl specj04_addmember。
If the discovery is failing on all nodes other than the node on which discovery is run, make sure clcomd is running on all the cluster nodes. Enter this command to ensure that clcomd is running.
如果在除了运行发现脚本的节点之外的所有节点上发现都失败了,那么确保在所有集群节点上正在运行clcomd。
The command performs multiple configuration and operation actions that roll out the updated application to one target node at a time, completing these steps for each node in the cluster.
该命令将执行多个配置和操作动作,以一次性地将已更新应用程序部署到一个目标节点。
The next step is to add the cluster to the bus as a bus member. The command has the following format.
下一步是将集群作为总线元素添加到总线中。
On the test cluster for this article, the directory was /opt/IBM/dwe/db2/V9.7/instance. The command issued was
在本文的测试集群中,该目录是 /opt/IBM/dwe/db2/V9.7/instance。
If you have to SSH into every machine in the cluster and run a command, you are not being lazy enough.
如果您不得不在集群中的每台计算机上启动ssh并运行一个命令,那么您就是不够懒。
Run the LSPV command to display each hdisk's PVID that can uniquely identify the disk from any computer within the cluster, as shown in Listing 4.
在集群的每一台计算机上运行命令lspv显示每一个唯一标识磁盘的hdiskPVID,如清单4所示。
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