When you take a VMware snapshot of a VM, the following information is preserved. The VMware snapshot best practices include to avoid using a snapshot for more than 72 hours since the files constituting the VMware snapshot keep growing and may impact system performance aside from the fact that you can run out of space on datastores that are relatively small in size. When this limit is exceeded, the error shown in Fig.2 is returned.įigure 2 – Error indicating that the maximum number of snapshots per VM limit has been exceededĪnother limit to be aware of is that of retention. For best performance, it is VMware snapshot best practices that you stick to 2-3 snapshots per VM. Note that each VM can have a maximum of 32 VMware snapshots. Option B.įigure 1 – Two ways to carry out a snapshot related action on a VM Alternatively, highlight the VM name, click on the Snapshots tab and select a task from the All Actions drop-down menu or by clicking on the respective task icon i.e. Edit a snapshot (Name and Description).įrom vSphere client, it’s always a case of right-clicking on the VM name, selecting Snapshot(s) from the VM’s context or actions menu followed by the operation wanted.Revert to the latest snapshot or any other snapshot.The common denominator here is Snapshot Manager using which, you’ll be able to: follow the same click and select pattern. Different tasks such as reverting from snapshot, deleting VMware snapshot file, etc. You can work with VMware snapshots from any vSphere client or by making API calls from PowerCLI or similar. Working with VMware snapshots and Snapshot Manager The VMware snapshot feature is available on both standalone ESXi hosts and vCenter Server as well as VMware Workstation snapshot Similarly, you can use snapshots to reset a VM back to a baseline state once a user is done using it, perhaps as part of a training lab maintenance regimen. Restoring a VM to a functional state following a botched update or patch is one common use case. The VMware snapshot feature is particularly useful in those scenarios where you want to quickly recover from a failure or simply revert back to the desired state. The state of a virtual machine at any specific point in time can be preserved by taking what is known as a VMware snapshot.
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