Recent Posts

How to upgrade zpool version on solaris ?

zpool version needs to be upgrade whenever you are performing the OS patching .Because the newer version of zpool offers the more functionality  and fixes a lot bugs. zpool upgrade can be performed on the fly without any impact to the data pools and rpool. But you need to consider lot of things prior the zpool upgrade. Because once you …

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How to Upgrade ilom firmware on oracle sun servers ?

Oracle is mainly focusing on ILOM hardware  console for their x86 and SPARC Blade servers. Only M-series servers are having  XSCF prompt for dynamic domain configuration. In this article, we are going to see how to upgrade the system ilom firmware and BIOS for x86,openboot prompt for SPARC on oracle (sun)blade servers.System administrators should maintain the latest version of ilom and …

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VMware – How to Add/Remove VMnic(uplinks) on DVswitch ?

Redundancy is much more important in virtualization environments since you never know how many virtual components will be impacted if you loose one physical hardware part.When its comes to VMware networking , you can share a single vmnic to N-number of virtual hosts.So one of the physical interface failure could cause big outage on the environment. So the best practice …

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VMware – How to Migrate VM’s from DVswitch to vSwitch ?

Most of the time we will be in a situation to Create a new vSphere distributed switch and migrating VM’s  to it.But in rare cases , you may need to migrate the VM’s back to  vSphere standard switch from vSphere distributed switch.These kind of situation arise when you don’t want to renew your vSphere Enterprise plus license since vSphere distributed …

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How to Migrate the VM’s to vSphere Distributed Switch ?

When it comes to VMware networking , you should know about VSS  (vSphere Standard Switch) and VDS (vSphere Distributed Switch). This article is going to demonstrate the migration of  virtual machines  from VSS (vSphere Standard Switch) to VDS (vSphere Distributed Switch). First we will see why do we need to virtualize the networking in VMware environment.The virtual networking provides various services to …

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How to Create a vSphere Distributed switch and Port Group ?

VMware vSphere Distributed Switch (VDS) provides a centralized VM network administration and that eases the management burden by treating the network as an aggregated resource.vSphere distributed switch can be divided as two logical sections. 1.Data Plane2. Management Plane.Data Plane is responsible for packet switching, filtering, tagging etc…Management plane  just provides the complete control structure to the administrator to manage the …

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vSphere Distributed Switch – Configuration copies

I am not sure how VMware has plans on  Vsphere standard switch’s (VSS) and vSphere distributed switch’s  (VDS) future  development.But definitely VDS has an edge over VSS. One of the main advantage of VDS is that, it maintains the same configuration across all the ESXi servers.You can also use VSS but it really difficult to maintain the same configuration across …

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How to Deploy Openstack on VMware vCenter Server ?

KVM(Kernel based virtulization) is the default hypervisor on openstack cloud software but KVM may get heavy competition from VMware ESXi hypervisor in future.VMware’s self service functionality “vcloud director” may discontinued since openstack is gaining more market share on that place.In today’s virtulization market, VMware is king and its higly impossible to replace by openstack but many custormers would like to …

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VMware OVF tool-How to convert OVA to OVF

Virtual appliance will be normally  available on OVA format which is bundle of OVF(open virtualization format) and VMDK files. If you directly deploy OVA files from vCenter Client , it will fail 99% of times. So better you need to extract the OVA files as OVF or need to convert as VMX format to deploy the appliances on vCenter client …

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How to Deploy and configure vCenter Appliance 5.5 ?

VMware has decided to not depend on any big player in the virtualization market.The main intention is  that vmware don’t want others to steal their innovation,ideas and their robust technologies. In last VMworld conference also they haven’t invite Microsoft and citrix. Currently most of vcenter servers are running on Microsoft windows 2008 servers . This creates heavy dependencies on microsoft …

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