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Daily Archives: July 7, 2011

How to find the exact device available in the unknown device category in device manager?

We are bit confused on some occasions when we are unable to confirm whats the device shown in unknown device category in the Device Manager. Once we are sure we can then download the drive to fix the issue. But finding the exact device is quite guessing.

Now, It’s quite easy to find the exact device available in the unknown category in Device Manager.

1. Choose the device in unknown category and click on properties and then choose details.
2. Here you will find the Vendor ID and the device id.
3. Note the Vendor ID and Device ID and fill it in the website “pcidatabase.com”
4. Here it is now you can view the exact device name and the manufacturer.

Then you can download the respective device driver and fix the issue.

How to check the node names available in Veritas Cluster Services?

We can view the available node names on the Veritas Cluster Service in the command prompt of an server by excecuting the command “hasys -state

This will list the node names as shown below

#System Attribute Value
Node1 SysState Running
Node2 SysState Running

Sometimes you may get an error message stating the server is in stale_admin_wait state please use “hasys -force”.

STALE_ADMIN_WAIT states the the system has a stale configuration and there is no other node in a state of RUNNING to retrieve a configuration. Possible reasons include:

1. The High Availability Daemon (HAD) service has been stopped on all nodes without closing the configuration (i.e. using hastop -all -force).
2. All cluster nodes have been rebooted at the same time.
3. An invalid configuration file is present on all nodes.

If the administrator is confident that a valid configuration exists on a particular node, that node can be “forced” to read its own configuration file. It is recommended that the existing configurations on all nodes be backed up by using the hagetcf -conf command. Once a backup exists, execute the following command:

hasys -force node_name


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