Recent Posts

November, 2013

  • 17 November

    How to Install Oracle Solaris Cluster on Solaris 11 ?

    This is the first article about Sun cluster aka oracle Solaris cluster on UnixArena. This Oracle Solaris cluster series articles will cover the build of a two-node cluster running Solaris Cluster 4.1 on Solaris 11.The intention of making the cluster will be configuring High availability local zone aka failover local zones.We have done the same setup on veritas cluster quite …

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  • 13 November

    Solaris Linux Interview Questions – Cluster

    As we all know that attending interview is one of the toughest job.Because, you never know the interviewer expectation and his mindset.He/She may be started asking  questions which are related their current working environment and interviewee may not  know the those setups. Companies also adding more competencies to filter the candidates. One of the important skill sets to filter the resources is  “Cluster” …

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  • 12 November

    How to Configure ISCSI target in Solaris 11 ?

    Solaris 11 has integrated with COMSTAR to configure ISCSI devices. You can easily setup COMSTAR ISCSI target and make the volume available over the network. As you know ISCSI is very cheap compare to our traditional SAN environment.With help of Infiniband interface, I am sure we can definitely match the FC SAN performance on ISCSI devices.Here we will see how to configure Solaris 11 as ISCSI storage …

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  • 11 November

    How to Provision ISCSI target LUNS in Open-E DSS ?

    In the Open-E DSS V7 series, we have seen the installation  and initial setup of open-e the data storage management software.Here we will see how to add the disks to the Open-E volume manager and how to create a logical volume. In the end of this article, you can see how to create a new ISCSI target and how to map the …

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  • 10 November

    How to Install OPEN-E DSS V7 ? Data Storage Software

    Open-E DSS V7  is an enterprise  data storage management operating system. It provides a ISCSI, NAS,SAN and InfiniBand functionalities .Free version of OPEN-E (lite) supports SAN and NAS functionalities. Compare to openfiler, Open-E is a very good alternative software for data storage management. It’s a very reliable, with substantially better performance on heavy workloads.Here we are going to see how to install OPEN-E DSS V7 operating …

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  • 9 November

    How to Find Out Linux CPU Utilization?

    Due to huge resources demands from the newer applications , anytime your Linux box in to CPU bottle neck.As a system admin, we need to find out who and what has occupied the system CPU’s.To free up the CPU usage , you may need to contact the owner of the process and it most likely an application support team. Sometimes …

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October, 2013

  • 24 October

    How to Perform Live Migration of KVM Guest in Redhat Cluster ?

    I got so many emails that how to configure the redhat cluster to migrate redhat virtual guest(KVM guests) from one cluster node to another and we have seen how to configure it in the previous post.Once the cluster configuration is done ,we are good to test the live migration.Before proceeding to the live migration,we will do some manual test by stopping the service(VM: KVM guest) …

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  • 24 October

    How to Add KVM Guest on Redhat Cluster as a Service?

    I have been trying from so long time to add the KVM virtual guest under redhat cluster for High availability virtual guest.So that virtual machines can automatically move from one node to another if anything happen to the parent server.Its similar to VMWARE ESX cluster where virtual machines can migrate automatically from one server to another. After long try , I have …

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