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© 2012 IBM Corporation
Platform Computing
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IBM Platform Cluster ManagerData Center Operating SystemApril 2013
© 2012 IBM Corporation
Platform Computing
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IBM Platform Cluster Manager – Data Center Operating SystemUse Cases
Datacenter Overview
Optimize Datacenter
Manage Datacenter from a Single Portal
Meet Demand
Balance Workloads
Control Resources
Protect Resources
© 2012 IBM Corporation
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• 14 iDataPlex servers, 16 cores, 24GB memory
• Powered on (Connected) and idle
• Running RHEL KVM
• Automatically bare-metal provisioned when discovered
Datacenter Overview
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• Packing enabled
• Overcommit enabled - Nodes have 16 CPUs, a factor of two yields 32 vCPUs(i.e., one real CPU = two vCPUs)
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• Load Balance enabled
• High Availability enabled
• Select Energy Optimization
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• Enable Energy Optimization
• Power off idle hypervisors and keep at least one hypervisor connected (running) and two hypervisors on Standby
Energy Optimization
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• Click Yes
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• View affect of the Energy Optimization Policy on the Data Center
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• The Datacenter is idle (i.e., no workload/VMs running)
• The idle hypervisors will be powered off leaving one (1) connected and two (2) on standby
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• Resources and workload (VMs) can be created and managed directly without the need for additional management portals.
• Click New to Create VMs
Data Center Portal
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• Select the RHEL pattern
• Click Instantiate
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• Specify the number of VMs and click create
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• The VM quickly provisions to Active
• Click New to create another VM
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• Select the Win2k8 pattern
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• Click Instantiate
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• Specify the number of VMs and click create
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• The VM quickly provisions to Active
• Select the Machines tab to see both VMs
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• Control and manage resources directly from the portal
• Click Power• Click Manage• Click Remote
Access and open a consol
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*********
Last login: Wed Apr 3 12:04:15 2013 from admin.ca.ibm.com[root@c445vm01 ~]#
• Remote consoles can be opened for the VMs and hypervisors hosts
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• Remote consoles can be opened for the VMs and hypervisors hosts
• Select the Hypervisor Hosts tab
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• Both VMs were started on the same hypervisor because the Packing policy is enabled
• Select the Machines tab to see the VM details
• Select the Cluster tab to create load on the system
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Meet Demand
• Click the Modify button and select the Add Machines command
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• Start and additional 100 VMs to add load to the system
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• Start and additional 100 VMs to add load to the system
• The additional 100 VMs are quickly provisioned and powered on
• Click to Refresh the view
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• Start and additional 100 VMs to add load to the system
• The additional 100 VMs are quickly provisioned and powered on
• Click to Refresh the view
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• Start and additional 100 VMs to add load to the system
• The additional 100 VMs are quickly provisioned and powered on
• Click to Refresh the view
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• Start and additional 100 VMs to add load to the system
• The VMs are powered on, registered and ready for use
• Select the Hypervisor Hosts table to see changes to their states
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Balance Workloads
• The data center went from one four hypervisors to handle the additional load
• Additional Hypervisors were started to maintain the pool of two standby
• Click the Configure button and select the Demo Load command
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• The Demo command adds load on hypervisor 03 and the CPU utilization spikes past the upper limit of 70%
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• VMs are migrated away from host 03 to balance the workload
• VMs are started on the standby host and another host is powered on to maintain the two host Standby pool
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Manage Workloads
• Put a host into Maintenance mode
• The running VMs are automatically migrated and load balanced on other hosts
• To put the host into maintenance mode, click the Actions button and select the Enter Host Maintenance command
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• The VMs running on host 03 are automatically migrated and load balanced on other hosts
• Additional host is started and put into standby mode to main the pool of two
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Protect Workloads
• Select the Configure button and select the Demo PFA command to create a PFA
• Click the Alarm icon to see the nature of the error
• The system will automatically migrate and balance the VMs on other hosts
• The automatic VM migration is a function of the High Availability policy. If a host crashes or losses power the HA policy will re-parent the VMs onto other hosts
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IBM Platform Cluster Manager – Data Center Operating System
Manage Data Center and Resources
Optimize Resources and Power
Meet Demand
Balance Workloads
Protect Workloads
