Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base

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Solaris 10 : Troubleshoot the problems while initializing network services

Actual Problem Scenerio Unable to initialize network services right after installing Solaris 10 Operating System(OS). All the network services appear in the state: “uninitialized” in the output of the inetadm command. The vold process also won’t start, so the CDROM will not mount automatically, as autofs...

0

Linux: AutoFS Configuration

Autofs Service executes auto-mount daemon for filesystem mounting. The “auto-mount” behaves “mount a filesystem when a client send a request to this daemon” and “unmount it when there’s no request for a long time”. There are two types of automounters in Linux, autofs and AMD.AMD is...

1

VCS : Configure /etc/llttab

The /etc/llttab file must specify the system’s ID number (or its node name), its cluster ID, and the network links that correspond to the system. In addition, the file can contain other directives. Refer also to the sample llttab file in /opt/VRTSllt. Run the dladm show-dev command...

0

VCS : Sample Configuration for Sybase Cluster

In a typical configuration, VCS is configured in a two node cluster. The Sybase data is installed on shared disks. The Sybase server binaries can be installed locally on both nodes or on shared disks. The agent for Sybase is installed on both nodes. The shared...

3

VCS : Disabling the VCS agent

  To disable the agent on a system, you must first change the VCS service group to an OFFLINE state. You can stop the application completely, or switch the service group to another system. To disable the agent Determine if the service group is online. At...

3

VCS : Sample Configuration to add new Service Groups

Below are the some sample configurations on how do we  configure new service groups  in two common scenarios i.e. while VCS online and while the  VCS is stopped. It is good to know this information to perform various dynamic configuration to VCS cluster without disrupting the...

7

VCS : Adding new node to the existing cluster

Install the  VCS software manually  on server check the  packages  and install the license key. 1. ./Installvcs -installonly Configuring LLT and GAB: Create the LLT and GAB configuration files on the new node and update the files on the existing nodes. To configure LLT 1 Create...

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