Virtual Pool 4 Serial Number [Extra Quality]
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virtual pool 4 serial number
A virtual pool is a group of one or more virtual hosts with the same processor architecture that have access to the same virtual and physical networks and storage resources. Virtual pools provide load balancing, high availability capabilities, and sharing of some resources for all members of the pool.
Virtual pools are resource pools of virtual hosts that share compatible chip architecture, which facilitates actions such as moving guests between hosts. You can also apply resource configurations and policies to them. The policies that you establish for a virtual pool manage many of the CPU utilization and resource balancing functions. Operations to the virtual pool are delegated to the individual virtual hosts in the virtual pool.
To manage the guests within a virtual pool, you can perform warm and live guest migration and you can balance all of the guests' load among the members of the virtual pool. You can configure a policy to balance the load automatically, based on a schedule that you determine, or you can balance the load manually. If a virtual host system shuts down for any reason, such as a hardware failure, you can start the guests on another virtual host in the same pool. All guests in the virtual pool can access the images contained in the virtual pool's storage library.
Each virtual host contains a hypervisor and its local resources and network connections. Virtual hosts in a virtual pool share network and storage libraries and several virtual pools can share the same networks and storage resources.
Must have the same chip architecture as the other virtual hosts in the virtual pool to support load balancing and guest migration. Enterprise Manager Ops Center and Oracle VM Server for SPARC support SPARC T-Series chip architectures.
Must be on the same physical network as other virtual hosts in the virtual pool. The virtual hosts can be on several physical networks through multiple NICs, but must have at least one network in common with the other virtual hosts in the virtual pool. A good practice is to use a dedicated physical migration network.
The virtual host's guests must be in a shutdown state. Shutdown guests are no longer associated with the virtual host. After you add the virtual host to the virtual pool, you can associate the guest with any virtual host in the virtual pool.
When you create a virtual pool, you define guest placement, and auto balancing polices. When you create guests, you define the guest resource consumption, including physical and virtual CPUs. You can edit the policies at any time.
The Placement Policy determines the preferred virtual host for new guests within the virtual pool and how the virtual pool is balanced. The placement policy is defined when a virtual pool is created.The following are the placement policy options:
Place the guest on the virtual host with the lowest allocated CPU and memory, that is, the total static resource allocation across all guests on the host. The resource allocation is the sum of the number of vCPUs and virtual memory specified for each guest.
Use the Automatic Load Balancing Policy to schedule load balancing within a virtual pool. You can schedule the automatic balancing to occur weekly, daily, or hourly on a specific day and time of the week. The default is to balance the load on the hosts in the virtual pool every Saturday at midnight according to the defined placement policy.
The virtual hosts in a virtual pool can get access to and share any storage and networks associated with the virtual pool. If you add a virtual host to a virtual pool, the libraries associated with that virtual host become available to all the other virtual hosts in the virtual pool.
When you assign a network to a virtual pool, the network becomes accessible to all virtual hosts in the pool. All virtual hosts in a virtual pool belong to the same set of networks. At least one network must be assigned to a virtual pool to ensure that when you migrate a guest from one virtual host to another virtual host within the pool, the guest can still access the network.
Guests communicate with the networks through their virtual host. When you add a virtual host to a virtual pool, the virtual host is also configured for all the associated networks for the virtual pool. In this way, the virtual host can access all of the networks defined for the pool and be an active member of the pool.
You can assign a network multiple times to a virtual pool. The network is deployed the same number of times on each virtual host of the virtual pool. Also, the switches that are created for each network connection are same on the virtual hosts. This ensures that the logical domain can be migrated across the virtual hosts in the virtual pool. To migrate a logical domain, the switch name must be the same on the source and target virtual hosts..
To allow guests to move between virtual hosts, click the Migration check box to designate the network as a Migration Network. Migration networks enable you to isolate guest migration traffic to a subset of the Networks in the pool. You can designate more than one network as a migration network.
Before you change a policy for a virtual pool, review the relationship between the physical and virtual CPUs, that is, its placement policy. Each virtual pool has a placement policy that defines how guests are placed:
When you remove an Oracle VM Server from a virtual pool, the server becomes an individually managed server. The virtual pool's libraries and networks are no longer available to the server. Instead, the Oracle VM Server uses the default local library and management network.
You can assign networks to virtual pool and define the number of connections for each network. For each network connection, a virtual switch is created. You need to define the NIC and the IP address for each network connection.
Deleting a virtual pool removesthe association among the virtual hosts and removes all pool-specific library and network connections. The virtual hosts in the virtual pool become individual virtul servers relying on default network connections..
The Citrix ADC pooled capacity allows you to share bandwidth or instance licenses across different ADC form factors. For virtual CPU subscription-based instances, you can share virtual CPU license across instances. Use this pooled capacity for the instances that are in the data center or public clouds. When an instance no longer requires the resources, it checks the allocated capacity back into the common pool. Reuse the released capacity to other ADC instances that need resources.
You must install a platform license manually, by using the hardware serial number or the license access code. After a platform license is installed, it is locked to the hardware and cannot be shared across Citrix ADC hardware instances on demand. However, you can manually move the platform license to another Citrix ADC hardware instance.
The bandwidth pool is the total bandwidth that can be shared by Citrix ADC instances, both physical and virtual. The bandwidth pool comprises separate pools for each software edition (Standard, Advanced, and Premium). A given Citrix ADC instance cannot have bandwidth from different pools checked out concurrently. The bandwidth pool from which it can check out bandwidth depends on its software edition for which it is licensed.
Managing physical and virtual resources such as hosts and virtual machines. This includes upgrading and adding hosts, importing domains, converting virtual machines created on foreign hypervisors, and managing virtual machine pools.
Accessed by clicking Administration Configure, the Configure window allows you to configure a number of global resources for your oVirt environment, such as users, roles, system permissions, scheduling policies, instance types, and MAC address pools. This window allows you to customize the way in which users interact with resources in the environment, and provides a central location for configuring options that can be applied to multiple clusters.
Therefore, it is strongly recommended to set UserRole and all other user role permissions on specific resources only, especially virtual machine pool resources, and not on resources from which other resources inherit permissions.
A virtual machine pool administrator is a system administration role for virtual machine pools in a data center. This role can be applied to specific virtual machine pools, to a data center, or to the whole virtualized environment; this is useful to allow different users to manage certain virtual machine pool resources.
MAC address pools define the range(s) of MAC addresses allocated for each cluster. A MAC address pool is specified for each cluster. By using MAC address pools, oVirt can automatically generate and assign MAC addresses to new virtual network devices, which helps to prevent MAC address duplication. MAC address pools are more memory efficient when all MAC addresses related to a cluster are within the range for the assigned MAC address pool.
If more than one oVirt cluster shares a network, do not rely solely on the default MAC address pool because the virtual machines of each cluster will try to use the same range of MAC addresses, leading to conflicts. To avoid MAC address conflicts, check the MAC address pool ranges to ensure that each cluster is assigned a unique MAC address range.
The top section of the Dashboard provides a global inventory of the oVirt resources and includes items for data centers, clusters, hosts, storage domains, virtual machines, and events. Icons show the status of each resource and numbers show the quantity of the each resource with that status.