Term
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Definition
| A vApp is a package that can contain one or more VMs, resource pools, or other vApps. |
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Term
| vApps can be cloned. Can you do this while the vApp is powered off, powered on, or both? |
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Definition
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Term
| Do vApp components need to reside together on the same database |
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Definition
| No. The vApp metadata resides in the vCenter DB, making it possible for a vApp to be distributed amongst different hosts |
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Term
| What format are vApps packaged/backed up in? |
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Definition
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Term
| Identify the settings available for a vApp under the Options tab |
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Definition
1. Resources: You can assign CPU and memory resources and control shares, reservations and limits (like with a resource pool)
2. Properties: Custom properties of the vApp under 'Advanced' -> 'Properties'. Includes things such as setting a global time zone for the vApp
3. IP Allocation Policy: Fixed, transient, DHCP. Configured under 'Advanced' -> 'IP Allocation'
4. Advanced: assign Product Name, Version, Vendor, URL, Application URL, properties of the OVF |
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Term
| What is the function of the start order settings for a vApp? |
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Definition
| Control the startup order of the items in a vApp. E.g. you may want a DB server to start up before the application server that it supports. Configure startup order, interval, and shutdown action |
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Term
| What does the vService Policy for vApps allow? |
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Definition
| You can set a certain service within a VM as a dependency for another VM |
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Term
| Describe the process to create a vApp |
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Definition
| Right click a cluster resource and select 'New vApp'. Set resources, location, etc. |
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Term
| What requirements need to be met to create a vApp |
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Definition
| vApps can be created on a standalone host selected in the inventory running ESX 3.0 or greater OR a cluster enabled with DRS in the inventory |
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Term
| What are the steps to clone a vApp |
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Definition
| Similar to cloning a VM: Select the vApp and go to 'Inventory' -> vApp -> Clone, then follow the wizard to create destination, name and location, datastore, disk format |
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Term
| What are the steps to export a vAPp |
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Definition
| Select the vApp and select 'File->Export->OVF Template |
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Term
| When you export a vApp, you get two file options. What are they, and what do they mean, and when would you use each? |
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Definition
* OVA: Single file, all disks compressed into one file. Great for transporting the vApp
* OVF: Folder of files - contains .ovf, .vmdk, .mf files. Great if you plan to publish on a web server or image library |
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Term
| How can you add objects to an existing vApp? |
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Definition
| Right click on the vApp and select a new object to create. You can also add existing VMs and vApps by dragging and dropping them. The VM/vApp you are adding cannot already belong to another vApp |
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Term
| What does it mean to suspend a vApp? |
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Definition
| You are pausing all running VMs within the vApp. VMs are suspended based on their stop order if you have configured it. |
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Term
| How do you suspend a vApp? |
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Definition
| Right click the vApp and select 'suspend' |
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Term
| How do you resume a suspended vApp? |
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Definition
| Right click the suspended vApp and select 'resume'. The VMs will restart in the order specified if you have specified a startup order |
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Term
| Give an example use case for a vApp |
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Definition
| Three tier applications containing a DB server, a application server and a web server. Having them as part of a vApp allows you to set startup order. |
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Term
| Name two pre-requisites before being able to clone a vApp |
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Definition
1. Connected to vCenter
2. Host must be selected in the inventory that is ESX/ESXi 3.0 or greater OR a DRS enabled cluster must be selected |
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Term
| What are the steps to clone a vApp? |
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Definition
Select Inventory -> vApp -> Clone
Choose a destination, a new name, a datastore & a network |
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