Now a days i have mostly dealing with oracle VM for SPARC on T-4 servers.(LDOM). As we all know that hardware console can be writable for only one user at a time and if you take the second session , it will automatically connect in read only mode unless you use the force option. The […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]