A finished 3G instant know-how advisor for community and telecom pros.
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This method will let you right size your memory much better. After you measure: Now what? Through methods like transparent memory page sharing and balloon memory (described in Chapter 10), VMware has ways of stretching physical memory allocation for virtual machines much farther than you can with physical machines. And, seeing as how RAM is relatively inexpensive, you can always add a percentage increase if you’re nervous about not having enough. I know I did, but I still haven’t needed it. Finding Data-Gathering Tools Many free as well as pay-for tools are available that you can use to analyze your system.
Think of an Ethernet crossover cable connecting two computers. indd 42 8/21/08 9:18:25 PM Chapter 3: Knowing Your Storage Options 43 ߜ Arbitrated loop: Device 1 connects to Device 2, which connects to Device 3, and so on until the nth device connects back to Device 1 (see Figure 3-3). Think of a Token Ring network.
DRS uses VMotion to move virtual machines off hosts that are under heavy loads and onto hosts that have more resources available. ߜ VMware High Availability (HA): This high-availability resource can restart virtual machines on a new host if the host on which they were running fails. ߜ VMware Consolidated Backup (VCB): A centralized way to backup virtual machines through a backup proxy server. ߜ VMware Update Manager: This feature is designed to manage patches for your ESX hosts as well as the guest operating systems running on them.
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