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Erstellt am Donnerstag 15. April 2010
…. Please note that the ballooning rate for a short term can be estimated by the change of "MCTLSZ", assuming it is either increasing or decreasing. But, for a long term, we cannot do it this way, because that monotonically increase/decrease assumption may not hold. Q: Does ballooning hurt VM performance? A: If guest working set is smaller than guest physical memory after ballooning, guest applications won’t observe any performance…
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Abgelegt unter esx, kb, vmware, vsphere | Keine Kommentare »
Erstellt am Sonntag 5. September 2010
…n to VMware vSphere Guide Product Documentation VMware vSphere Editions Comparison Chart Section 2 – Configure ESX/ESXi Networking Objective 2.1 – Configure Virtual Switches Knowledge Understand Virtual Switch and ESX/ESXi NIC and port maximums Determine the vSwitch NIC teaming policy in a given situation Determine the appropriate vSwitch security policies in a given situation Create/Delete Virtual Switches Create Ports/Port Groups Assign Physi…
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Erstellt am Samstag 5. Juni 2010
…r switched network so that broadcast domains are smaller, leaving more bandwidth for your end nodes. Devices that are in one VLAN do not receive broadcasts from devices in another VLAN. For devices on different VLANs to communicate, a layer 3 device (usually a router) must be used. VLAN configuration is recommended for securing network traffic. Virtual Switch (ESX) configuration to connect to VLAN switch port No VLAN configuration is required…
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Abgelegt unter esx, kb, network, vmware, vsphere | Keine Kommentare »
Erstellt am Samstag 5. Juni 2010
To configure Virtual Switch (vSwitch) VLAN Tagging (VST) on ESX host: Assign the VLAN on vSwitch and or portgroup. Supported VLAN range (1-4094) Set the switch NIC teaming policy to Route based on originating virtual port ID, this is set by default. VLAN ID 0 (Zero) Disables VLAN tagging on port group (EST Mode) VLAN ID 4095 enables trunking on port group ( VGT Mode)Note: Incoming traffic NIC teaming is called Ether-channel / LACP. …
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Abgelegt unter kb, network, vsphere | Keine Kommentare »
Erstellt am Samstag 5. Juni 2010
I got a question around VM Monitoring (aka virtual machine level HA) this week. A customer wanted to test if VM Monitoring worked and as such disabled the NIC of the virtual machine and waited for 30 seconds for the VM Monitoring response to kick in…. nothing happened. VM Monitoring restarts individual virtual machines when needed. VM monitoring uses a similar concept as HA, heartbeats. If heartbeats, and in this case VMware Tools heartbeat…
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Abgelegt unter kb, vmware | Keine Kommentare »
