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LDOM also allows you to configure zones under that. Download the LDOM packages from the oracle support website. Once you have downloaded the packages ,just copy the packages to the Solaris host which you have already installed on T- series server. Create a new virtual disk service. This service is responsible to provide the virtual disks to guest domains. Create a new virtual switch. Creating the spconfig is must after making any changes on the service.
Otherwise you will loose the changes after the system power cycle. You need to login to Solaris host where you have installed the ldom software to configure the control domain.
List the logical domain devices using ldm list-device -a command. You can see all the resource has been allocated to the primary domain. Set the resource control for the control domain aka primary domain. These are all in-memory configuration. You have to save the configuration after every ldom settings that you made.
In the above command output, you can see that currents settings are saved in unixarena and these settings will come up after the system reboot and power cycle. Here we just increased the number vpcus to The previous number of vpcu was 8. Which mean you will lose the CPU setting you just done. In an order to save the configuration, just re-create the sp-config like below. In this article we have seen the basic concepts of Oracle VM for SPARC LDOM , packages installation, the configuration of the service domain, configuring the control domain or primary domain and saving the sp-configuration.
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LDOMs on Solaris
Various different configuration are supported with the Veritas product suite and this document summarizes those key differences. Oracle released an interoperability enhancement for Solaris Oracle decided not to backport this functionality to Solaris 10 at this time. The recommendation from Veritas is deploy Solaris 11 based GUESTs where possible to overcome this interoperability limitation, and take benefit from the enhanced operating system enhancements. The vdc.
How to install and configure LDOMs (Oracle VM for SPARC)
Virtualization has been a need of time over several past years as we have machines now even with 16 cores and memory in TBs. A single machine is now capable of accommodating even more than VMs at a time. Primary or control domain is used to configure all the guest ldoms and provide necessary virtual services to them like vcc, vsw and vds. Logical domain manager is responsible to create, delete, modify and control ldoms, thus make sure the ldmd service is running before configuring the primary and guest domains. Use delayed reconfiguration in order to configure the primary ldom without rebooting for previous changes to take effect.
LDOM Oracle VM for SPARC – Tutorial 1
Essential services for providing virtual disk, network, and consoles should be defined in Control Domain. Our control domain is called primary. Defines a virtual disk server. Virtual disk server vds allows importing virtual disks into a logical domain.
LDOMs (OVM for SPARC) Command line reference [cheat sheet]
This chapter contains a brief overview of the Logical Domains software. However, system firmware and the Logical Domains Manager are also required to use logical domains. The SPARC hypervisor is a small firmware layer that provides a stable virtualized machine architecture to which an operating system can be written. A logical domain is a discrete logical grouping with its own operating system, resources, and identity within a single computer system. Each logical domain can be created, destroyed, reconfigured, and rebooted independently, without requiring a power cycle of the server. You can run a variety of applications software in different logical domains and keep them independent for performance and security purposes. Each logical domain is allowed to observe and interact with only those server resources made available to it by the hypervisor.