POWERHA 7.1 FREE DOWNLOAD

To turn off mount guard: Operation is not allowed because vg is a RAID concurrent volume group. A description of the possible cluster states: Oracle will log an ORA error when it shuts down the instance due to inconsistent timers. For that purpose, run the following command on all cluster nodes, which lists the available major numbers: For PowerHA, a new volume group should be configured as concurrent-capable configured by the -C option of the mkvg command. This tiny but effective tool accepts the following flags:

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You can download it here: Using the IP addresses of a cluster and the snmpinfo command, you can remotely retrieve cluster status information, and use that information to build a webpage. You may schedule this command through cron to get a regular up to date version.

PowerHA for AIX Version Compatibility Matrix

We've written a script for this purpose. There are a number of possible causes: Monitor the status for all clusters, sites, nodes, and resource groups in your environment.

Once done, ensure that the volume group is varied off, for example for volume group fs01vg: The filesystem is potentially mounted on powreha node. This behavior is usually seen in AIX 6. 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 The same option is used with crfs when creating a filesystem.

Power HA 구성 :: Unix / NT IT Engineer 로 살아가는 법

If powerya should not be varied on, on the other node, run: Also, The quorum should be disabled by using -Qnand the auto-varyon should be disabled as well by using the -n option as PowerHA will varyon the volume group for us. View properties for a cluster such as the PowerHA SystemMirror version, name of sites and nodes, and repository disk information. In PowerHA version 7.

Commands clstat or cldump will not start if the internet MIB tree is not enabled in snmpdv3. If a filesystem appears to be mounted on another server, and the feature is enabled, AIX will prevent mounting on powedha other server. These simultaneous mount events can also cause a system crash, when the system detects a conflict between data or metadata in the filesystem and the in-memory state of the filesystem.

Information on how to install and start using it can be found on the IBM website. Now, this may differ for the type of storage used so please make sure to check your storage vendor's recommendations on this topicbut a good starting point is for example, for disk hdisk4: Next, create a logical volume adjust per your situation and preference: 71 when you run "lspv" on the second node after running cfgmgr, you'll notice that the PVID is already set for all the discovered disks it was set on the first node.

Oracle will log an ORA error when it shuts down the instance due to inconsistent timers.

For the purpose of this article, let's assume major number 57 is available. In this case the guard state can be temporarily overridden by the "noguard" option to the mount command: Finally, the major number should be set in plwerha example below: At this time, the storage is properly configured on both nodes, and it is time to add the volume group s to the PowerHA resource group.

UNIX Health Check - PowerHA / HACMP

If clstat is not working, you may get the following error, when running clstat: There's a script which is also easy to use. The only exception to this is mounting the filesystem read-only, where files or directories can't be changed. Cluster powerh are not active on any nodes. If you run into the following error: Do make sure to select the correct PVID of one of the disks in the volume group on the first node when importing this volume group on the second node, as you'll want to make sure both nodes of a PowerHA cluster use the same volume group names.

Next, log in to the other node, and run the cfgmgr command on that node as well, so the disks will be discovered on the other node as well. It will also show you where any resource groups are active.