Presentation on theme: "Resource Shares Dynamic resource management"— Presentation transcript:
1 Resource Shares Dynamic resource management Only used if there is resource contentionPrevents a single VM from utilizing all the resourcesPrioritizes specific VM resource usage during contention1000 Shares – 25%Number of Shares Equal (each has 25%)2000 Shares – 22%1000 Shares – 11%4000 Shares – 45%Changing Share Values (% varies on # of shares)11-8Starting a VM changes resource allocation2000 Shares – 20%1000 Shares – 10%4000 Shares – 40%Turning off VM changes resource allocation2000 Shares – 22%1000 Shares – 11%4000 Shares – 45%1000 Shares Turned off1Topic 1: Configuring Resource Pools
2 Expandable Reservations Allow use of available parent resources when a Resource Pool’s Reservation for a resource has been reachedMaximum of up to 12 levels of resource pools allowedEvents that trigger Expandable Reservation use:Power on VMCreate child resource poolChange resource pool reservationWhat is necessary to start VM2-1 below?11-102Topic 1: Configuring Resource Pools
3 Virtual Disk and Config files How VMotion Works1Step One:1VM1-1Users currently accessing VM1-1 on ESX1Initiate migration of VM1-1 from ESX1 to ESX2 while VM1-1 is up and running4ESX Server 1ESX Server 15Step Two:Pre-copy memory from ESX1 to ESX2Log ongoing memory changes into a memory bitmap on ESX12311-18Shared StorageVirtual Disk and Config files2MemoryQuiesce virtual machine on ESX1Copy memory bitmap to ESX2Step Three:VM Motion NetworkCorpNet NetworkMemory BitmapMemory BitmapFetch Pages/Copy Pages5Step Four:Start VM1-1 on ESX2Users now access VM1-1 on ESX26Step Five:Copy VM’s remaining memory (as listed in memory bitmap) from ESX1Fetch pages from source VM when applications attempt to read/write modified memory in VM1-1 on ESX2ESX Server 24Step Six:Delete VM1-1 from ESX1 after migration is successfulVM1-15Topic 2: Configuring VMotion
4 Update Manager Downloads Schedule the download of patchesRepository LocationSet during InstallC:\Documents and Settings\All Users\Application Data\VMware\VMware Update Manager\Data (Default)Configured After InstallModify <patchStore> tag in C:\Program Files\VMware\Infrastructure\Update Manager\vci-integrity.xml file11-732Topic 6: Update Manager
5 Remediation ESX Hosts use the Hosts and Clusters View VMs use the Virtual Machines and Templates View11-744Topic 6: Update Manager
6 Chapter 11 Review Questions 1. Which technology moves running virtual machines from one VMware ESX 3.5 host to another?A. HA C. Cold MigrationB. VMotion D. Update Manager2. In VMware ESX 3.5, what defines the guaranteed minimum RAM for a virtual machine?A. Expandable Reservation C. LimitB. Reservation D. Shares3. In VMware vCenter 2.5, which of the following Fully Automated settings for DRS will provide the least amount of effort on the part of the vCenter Administrator?A. Moderately Conservative D. Moderately AggressiveB. Aggressive E. MidpointC. Most Conservative
7 Chapter 11 Review Questions 4. The only VMware supported method of using Storage VMotion is from the Remote Command Line Interface (RCLI).True False5. Storage VMotion in VMware ESX 3.5 requires that the virtual machine is powered off.