User Guide Eaton Load Shedding Module for VMware vcenter

Transcription

1 User Guide Eaton Load Shedding Module for VMware vcenter Version: 1.02 Page 1

2 Contents 1. Introduction VMware/IPM architecture Installation Supported Operating Systems: Pre-requisites Installing Eaton Load Shedding Package Configuring Load Shedding Login Information Set Priorities of Virtual Machines Power Source Configuration UPS Configuration VPS Configuration User Scenarios Event Logging Known Limitation References Page 2

3 Table of Figures No. Name of Figure 1 Traditional VMware IPM Architecture 2 Load Shedding Architecture 3 Login User Interface in Load Shedding 4 Configure Priority UI in Load Shedding 5 Setting Priority to More than one VM in Load Shedding 6 Configure UPS and Shutdown Type in Load Shedding 7 Configure TimeToShutdown in Load Shedding 8 Configure Low Battery in Load Shedding 9 ConnectUPS MS Shutdown Parameters 10 ConnectUPS MS Shutdown Parameters 11 IPM VPS Name 12 Configure VPS and Shutdown Type in Load Shedding 13 Configure Shutdown Type in Load Shedding 14 Configure Time to Shutdown 15 VPS redundancy or protection selection 16 Shutdown Timing Diagram Page 3

4 1. Introduction The purpose of this document is to give introduction to Eaton Load Shedding Module and guide to configure and usage of it. This Module is used for shutting down/suspend of virtual machines as per the priority. Acronyms IPM DPM UPS VPS Eaton s Intelligent Power Manager Distributed Power Management Uninterruptible Power Supply Virtual Power Source, for more information about VPS refer Redundancy chapter of IPM user guide. Virtualization is an emerging technology which provides various benefits including reduced cost, ease of administration etc. This technology is mainly used in data centers which are powered by UPSs. UPS provide power to an entire environment during utility failure with the help of power stored in batteries. With increase of virtual machines, increase load on the servers and effectively utilizes most of the power. But during utility failure, it can reduce the effective runtime of highly critical machines as battery capacity is limited. This can be overcome by Load Shedding. Load Shedding is a process of closing or shutting down less critical load so that remaining capacity can be used for highly critical loads. Eaton Load Shedding Module Features: This module is designed for a single Eaton UPS/VPS powering a cluster of multiple servers in a datacenter. A simple GUI for user to set priorities to the virtual machines as per user s needs. Provides flexibility to the user to configure the time to shutdown /suspend the virtual machines of every priority. In case of utility failure, module automatically performs the shutdown of virtual machines as per the configurations made by user. In turn, it provides more power for critical loads. Low battery feature provides shutdown of remaining virtual machines as well as shutting down of hosts when the UPS battery level reaches to low. It also enables user to specify battery runtime value. In case of utility restore, module will power on all the virtual machines which were down. Facility to shutdown of virtual machine in case of Redundancy or Protection loss of Virtual Power Source. Facility to start of virtual machines in case Redundancy or Protection restored of Virtual Power Source. Page 4

5 2. VMware/IPM architecture Load Shedding module will be suitable for single rack, containing 3-4 DPM Enabled ESXi servers powered by a single Eaton UPS. This module can be configured and work with only with one cluster at a time. Figure 1 shows a traditional block diagram of this implementation. For more information about DPM, please refer the links provided in the references. VM1 ESXi a (50% load 2 VMs running) On Cluster1 VM2 VM3 VM4 VM5 Cluster1 ESXi b (60% load 3 VMs running) On Cluster1 ESXi c (25% load 1 VMs running) On Cluster1 Eaton UPS / VPS VM6 VM7 Clustr2 ESXi d (40% load 2 VMs running) On Cluser2 VM8 vcenter Logical Group vcenter IPM Figure 1: Traditional VMware IPM Architecture Below is an example of a traditional rack: As shown in Figure 1, ESXi Hosts named, ESXi a to ESXi d, are powered by Eaton UPS. vcenter and IPM are installed on one of the servers in the same network. vcenter has 2 clusters. Cluster 1 is created with 3 ESXi (ESXi a to ESXi c) with 6 virtual machines running on it and cluster 2 is created with 1 ESXi (ESXi d) having 2 virtual machines running on it. Page 5

6 Eaton Load Shedding Module provides a feature to create a group of virtual machines based on priority as shown in figure 2. VM1 VM2 ESXi a (50% load 2 VMs running) On Cluster1 Priority1 VM3 VM4 Priority3 Cluster1 ESXi b (60% load 3 VMs running) On Cluster1 ESXi c (25% load 1 VMs running) On Cluster1 UPS VM5 VM6 Priority2 ESXi d (40% load 2 VMs running) On Cluster2 Network VM7 VM8 Cluter2 vcenter IPM vcenter Logical Group Figure 2: Load Shedding Architecture Page 6

7 3. Installation Load Shedding Module uses vcenter and vsphere API to communicate with VMware architecture 2.1 Supported Operating Systems: 1. VMware ESXi Operating System 5.0 and above 2. Load shedding Module can be installed on following windows operating systems. 1. Windows XP with Service Pack 3 2. Windows 7 (32 bit and 64 bit) 3. Windows Server 2003 (32 bit and 64 bit) 4. Windows Server 2008 (32 bit and 64 bit) 5. Windows Server 2008 R2 2.2 Pre-requisites 1. vcenter server configured with Cluster of hosts and virtual machines. 2. DPM should be enabled on the servers used for Load Shedding purpose. 3. IPM version 1.27 or above with following softwares installed on the same machine. a. vsphere PowerCLI b. Microsoft Access Database Engine For 32 bit OS - AccessDatabaseEngine.exe 2. For 64 bit OS - AccessDatabaseEngine_x64.exe c. Microsoft.Net Framework 2.0 Service Pack 1 (usually all machines are having this) or above i. For 32bit ii. For 64 bit d. PowerShell version 2.0 Note: - For more specific configuration related to IPM and Virtualization refer Virtualization section of IPM user guide. 2.3 Installing Eaton Load Shedding Package Download IPM and Load Shedding Package from Install IPM. Extract load shedding package on any directory. Copy the following files in root directory of IPM. e.g. C:\ProgramFiles\EATON\IntelligentPowerManager. o callshutdownvms.ps1 o callshutdownvms_lowbattery.ps1 o CallShutdownVMs_proxy.ps1 o CallShutdownVMs_proxy_VPS.ps1 o callshutdownvms_vps.ps1 o CompilePreReq.ps1 o List-VM-Mdb.ps1 o LoadShedding.exe Page 7

8 o o o o o o o o o PowerOff_VMs.ps1 PowerState.exe PowerStateVPS.exe Shutdown_VMHosts.ps1 Shutdown_VMs.ps1 Start_VMs.ps1 Start_VMs_VPS.ps1 template.mdb UpdateProfile.ps1 It is recommended that before configuring loadshedidng.exe, execute CompilePreReq.ps1 PowerShell script to speed up the execution of the module. For more information about this refer following link Run and Configure LoadShedding.exe (Refer section 4 for more information) Page 8

9 4. Configuring Load Shedding Once Load Shedding Package is installed we are ready to configure Load Shedding. Go to IPM directory for example C:\Program Files\EATON\IntelligentPowerManager Double click on Load Shedding.exe file and the screen shown below will be displayed. 4.1 Login Information Figure 3: Login User Interface in Load Shedding vcenter Server Name : Provide IP address or host name of vcenter Server for Load Shedding. User Name : User name along with domain name (if any) for vcenter Password : Password for above mentioned vcenter Save Password : By default vcenter Server Name and Username values get saved. If password needs to be saved, click on Save Password check box. Once all above mentioned parameters are provided, click on Next Button. Once clicked, this module will connect to vcenter Server and will retrieve latest information from vcenter Server and will display the information on the screen as shown below in Figure 4. Page 9

10 4.2 Set Priorities of Virtual Machines Figure 4: Configure Priority UI in Load Shedding The above Figure 4 shows the list of datacenters, clusters and virtual machines present in vcenter. Select the Data Center and the Cluster which needs to be configured for Load Shedding of virtual machines in order to display as shown in above screenshot. To set priority, select one or more virtual machines and assign the priority as shown in Figure 5. Page 10

11 Figure 5: Setting Priority to More than one VM in Load Shedding Once all Priorities are set, click on Next Button. It will move to screen as shown in Figure 6. Page 11

12 4.3 Power Source Configuration Figure 6: Configure UPS/VPS and Shutdown Type in Load Shedding In this configuration screen priorities that are configured in previous screen can be linked with UPS or VPS to shutdown/suspend VMs. User can select UPS or VPS based on power source. If UPS is selected, events from UPS like power fail, power restore and low battery will be considered for shutdown or start of virtual machines. If VPS is selected, events from VPS like redundancy lost, protection lost, redundancy restored or protection restored will be considered for shutdown or start of virtual machines. Page 12

13 4.3.1 UPS Configuration Select UPS option when UPS is powering the virtual environment. Enter UPS IP or hostname that is powering to cluster of hosts. a. Shutdown Type This can be either Shutdown or Suspend. 1. Shutdown - When Shutdown is selected, virtual machines in this priority group will go down when it reaches to TimeToShutdown value. 2. Suspend - When Suspend is selected, virtual machines in this priority group will get suspended when it reaches to TimeToShutdown value. Figure 7: Configure TimeToShutdown in Load Shedding Page 13

14 b. TimeToShutdown This is the time duration to initiate the shutdown of virtual machines. This value is in Minutes from 2 to 60.The module will use this value for shutdown/suspend of virtual machine when time reaches to TimeToShutdown value. When blank value is selected for any priority, virtual machines in that priority will not be considered for shutdown or suspend. The VMs in that priority will shutdown once low battery occurs, if Low Battery option is selected. Figure 8: Configure Low Battery in Load Shedding c. Low Battery Low battery is critical condition where there is less battery remaining and need to take action to shutdown all remaining running VMs and running hosts. There are two situations by which Load Shedding application can consider Low Battery. 1. Shutdown all Virtual Machines when battery reaches to low battery level: If this checkbox is selected, all the remaining virtual machines will shutdown along with the hosts once UPS battery reaches to low level. This condition of Low Battery occurs based on configuration made in Shutdown Parameter of ConnectUPS MS card. Here is example of ConnectUPS MS card. Page 14

15 Figure 9: ConnectUPS MS Shutdown Parameters UPS will send low battery signal when any one of following condition become true. Load Shedding Module will consider this signal as Low Battery to initiate shutdown of VMs and Hosts. 1. If UPS Battery remaining time is below 120 seconds 2. If UPS Battery remaining capacity goes below 80% Values of only Master load segment will be considered for Low battery in Load Shedding Module. Note: If Shutdown After value is selected, NMC will shutdown Master outlet after time specified. This value is currently not considered in Load Shedding application as Low battery to shutdown of VMs. 2. Shutdown all Virtual Machines when battery runtime level below user specified minutes: Page 15

16 Figure 10: ConnectUPS MS Shutdown Parameters If remaining backup time value of UPS goes below value specified in Shutdown all Virtual Machines when battery runtime level go below user specified minutes Load Shedding application will initiate shutdown of Virtual machines and hosts. If both conditions of Low battery are selected, Load Shedding will consider the condition whichever occur first. Click on save button to enable load shedding module. Now the load shedding module is ready to use. Note: NMC shutdown parameter settings should be considered for setting of all priories and Low battery. Do not configure Load Shedding on multiple server to Load shedding of same cluster, there will be unpredictable result of this configurations VPS Configuration Select this option when a Virtual power source (VPS) is powering virtual environment. For more information about configuring Virtual Power source refer redundancy chapter of IPM user guide. Figure 11: IPM VPS Name Once VPS is configured in IPM, enter this VPS name in Load Shedding configuration screen as shown below. Page 16

17 Figure 12: Configure VPS and Shutdown Type in Load Shedding Following section will provide information about each field. a. Shutdown Type This can be either Shutdown or Suspend. 3. Shutdown - When Shutdown is selected, virtual machines in this priority group will go down when it reaches to TimeToShutdown value. 4. Suspend - When Suspend is selected, virtual machines in this priority group will get suspended when it reaches to TimeToShutdown value. Page 17

18 Figure 13: Configure Shutdown Type in Load Shedding Page 18

19 b. TimeToShutdown This is the time duration to initiate the shutdown of virtual machines. This value is in Minutes from 2 to 60.The module will use this value for shutdown/suspend of virtual machine when time reaches to TimeToShutdown value. When blank value is selected for any priority, virtual machines in that priority will not be considered for shutdown or suspend. The VMs in that priority will shutdown once low battery occurs, if Low Battery option is selected. Figure 14: Configure Time to Shutdown Figure 15: VPS redundancy or protection selection Page 19

20 c. Shutdown VMs when Redundancy of Virtual Power Source lost - When this option is selected, following action will be taken by Load Shedding. Event from VPS Redundancy loss Redundancy Restored Protection Loss Protection Restored Action from Load Shedding Shutdown Virtual Machines based on priority Power on all Virtual Machines No action will be taken No action will be taken a. Shutdown VMs when Protection of Virtual Power Source lost - When this option is selected, following action will be taken by Load Shedding. Event from VPS Redundancy loss Redundancy Restored Protection Loss Protection Restored Action from Load Shedding No action will be taken No action will be taken Shutdown Virtual Machines based on priority Power on all Virtual Machines Page 20

21 5. User Scenarios To illustrate functionality of Load Shedding below are example scenarios for UPS. Load Shedding Settings VM Priority Shutdown Type Time To Shutdown Priority 1 Shutdown 6 Priority 2 Suspend 4 Priority 3 Shutdown 3 Priority 4 Shutdown 2 Priority 5 Shutdown No Value set Low Battery Conditions is enabled To explain working of Load shedding below are examples 1. Power Fail and power restored after 4 minutes 2. Power Fail and power restored after 7 minutes 3. Power Fail and Low Battery occurs after 8 minutes, UPS goes down after 10 minutes and Power restored after 11 minutes. Following Figure 16 will show the various scenarios in details. Page 21

22 Figure 16: Shutdown timing diagram If VPS is selected instead of UPS, Load Shedding will work in similar way as UPS. Only difference is Load Shedding will initiate shutdown and start of VM based on redundancy lost and redundancy restored (or protection lost and protection restored) events from VPS instead of power failure and power restore. As VPS does have not low battery condition, example 3 is not applicable for VPS. Page 22

23 6. Event Logging Load Shedding Logs events in Windows Event viewer under Application. It will log event with application name as Load Shedding. Here is list of events Load Shedding application logs. Event Id Event Message Power fail signal received from UPS which is powering the cluster - CLUSTERNAME of datacenter - DATACENTERNAME in vcenter server - vcenterip/hostname Power restored signal received from UPS which is powering the cluster - CLUSTERNAME of datacenter - DATACENTERNAME in vcenter server - vcenterip/hostname Started Shutting Down/Suspending of virtual machines of PRIORITY from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Completed Shutting Down/Suspending of virtual machines of PRIORITY from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Completed Shutdown/Suspend of virtual machine(s) of all priorities from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Power Restore - Sending start signal to Virtual Machines present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname. Power Restore - Completed start of all Virtual Machines present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname. Low battery signal received from UPS which is powering the cluster - CLUSTERNAME of datacenter - DATACENTERNAME in vcenter server - vcenterip/hostname Low Battery - Shutting down all virtual machines of all priorities from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Low Battery - Completed Shutdown of virtual machine(s) of all priorities from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Low Battery - Sending Power off signal to virtual machines from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname. Low Battery - Completed Power off of virtual machines from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Power Restore - Checking state of hosts present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname to power on Power Restore - All hosts present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname are powered on Low Battery - Sending Maintenance Mode and shutdown signal to all servers present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Low Battery - Completed Maintenance Mode of all Servers present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Low Battery - Sending shutdown signal to all servers present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Page 23

24 1018 Low Battery - Completed shutdown of all servers present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname VPS Events Event Id Event Message Power fail signal received from UPS which is powering the cluster - CLUSTERNAME of datacenter - DATACENTERNAME in vcenter server - vcenterip/hostname Redundancy/Protection restored received from UPS which is powering the cluster - CLUSTERNAME of datacenter - DATACENTERNAME in vcenter server - vcenterip/hostname Started Shutting Down/Suspending of virtual machines of PRIORITY from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Completed Shutting Down/Suspending of virtual machines of PRIORITY from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Completed Shutdown/Suspend of virtual machine(s) of all priorities from cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname Redundancy/Protection restored- Sending start signal to Virtual Machines present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname. Redundancy/Protection restored- Completed start of all Virtual Machines present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname. Redundancy/Protection restored- Checking state of hosts present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname to power on Redundancy/Protection restored - All hosts present in cluster CLUSTERNAME of datacenter DATACENTERNAME in vcenter server vcenterip/hostname are powered on Page 24

25 7. Known Limitation 1. During Low battery, Load Shedding module initiates the shutdown of all virtual machines after around 2 minutes once IPM gets Low Battery signal. This is because of architecture of Power CLI to connect to VMware vcenter Server. Make shutdown duration settings in Connect UPS MS card to give enough time to shut down all Virtual Machines, put hosts in in Maintenance mode and to shutdown hosts 2. When HA is enabled, during low battery Load Shedding application will put hosts in maintenance mode but will not shutdown the hosts. This is because of restriction of VMware. 3. Password and user credentials needs to be update in Load Shedding application when it is changed in vcenter. 4. Data is not stored on vcenter or on ESXi host but will keep on IPM machine. Page 25

26 8. References Eaton and Virtualization Please visit Intelligent Power Manager (Eaton Power Supervisor) Please visit for more information about download and installation of IPM. Page 26