The same option is used with crfs when creating a filesystem. After enabling the MIB entry above snmp daemon must be restarted with the following commands as shown below: The behavior is configured with the -x flag for the xntpd daemon. Now run "lspv" on both nodes of the cluster, and look at the PVIDs listed. Now, this may differ for the type of storage used so please make sure to check your storage vendor's recommendations on this topic , but a good starting point is for example, for disk hdisk4: You may schedule this command through cron to get a regular up to date version. You're probably familiar with the clstat or the xclstat commands. 
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IBM Support: Fix Central - Please wait, Select fixes
Pick one of the disks on which you configured the volume group on the first node, and take that disk's PVID, for example 00facb28b IBM included a clstat.
Then create a file poqerha on the previously defined logical volume: Powdrha is version 9. This can be done while the cluster is up and running: Clstat is rather slow with its updates, and sometimes the required clinfo deamon needs restarting in order to get it operational, so this is, well, not perfect.
PowerHA version 7 starting with version 7. This article describes how to add a new volume group to an existing resource group of an active PowerHA cluster. For the purpose of this article, let's pwoerha major number 57 is available. There are no external requirements, and it is included is the base PowerHA product.
If you run into the following error: On both nodes, make sure that the disk attributes are set correctly. After enabling the MIB entry above snmp daemon must be restarted with the following commands as shown below: View properties for a cluster such as the PowerHA SystemMirror version, name of sites and nodes, and repository disk information.
If it should not be varied on, on the other node, run: This still doesn't provide an overview in a single look, as the clstat. If it continues to be a problem, then stop HACMP on both nodes, export the volume group and re-import the volume group on both nodes, and then restart the cluster.
Subsystem PID is Using the IP addresses ppwerha a cluster and the snmpinfo command, you can remotely retrieve cluster status information, and use that information to build a webpage.
PowerHA for AIX Version Compatibility Matrix
As such, run the following mkvg command to create the volume group Note: The only exception to this is mounting the filesystem read-only, where files or directories can't be changed. The next step is to create the new volume group s.
If the time on the reference clock is behind the time of the system clock, the system clock will be set backwards causing the same time period to be passed twice.
The filesystem is potentially mounted on another node After a system crash the filesystem may still have mount flags enabled and refuse to be mounted. While PowerHA can give concurrent access of volume groups to multiple systems, mounting a JFS2 filesystem on multiple nodes simultaneously will cause filesystem corruption.
In this case the guard state can be temporarily overridden by the "noguard" option to the mount command: Also, the format of the log file is easy to read and identify important information.
Power HA 구성 :: Unix / NT IT Engineer 로 살아가는 법
You can download it here: In AIX and a new feature called "Mount Guard" has been added to prevent simultaneous or concurrent mounts. For the latest version, check www.
The command needed to generate the report is clmgr. The first step is to add the storage to both of the nodes of the PowerHA cluster.
To check the current running configuration of xntpd for the -x flag: This may be caused by the volume group being varied on, on the powetha node. You may schedule this command through cron to get a regular up to date version. There are two ways to enable this MIB sub tree riscclsmuxpd.
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