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Storage consolidation, also called storage convergence is a method of centralizing data storage among multiple servers. The objective is to facilitate data backup and archiving for all subscribers in an enterprise, while minimizing the time required to access and store data.

Migration pattern, where several Virtual Machines (VMs) can be placed on a minimum number of active Physical Machines is called VMs Consolidation (VMC). Thus, this technique can be a practical approach for balancing electricity consumption and other QoS requirement in CCSs.

The snapshot consolidation process will generate IOPS on the underlying storage array. If the process is started while the virtual machine is powered on and if the virtual machine requires intensive I/O, performance degradation may be noticed.

Consolidating a snapshot: You will remove redundant delta disk files that are left over from failed snapshot restore, delete, or delete all operations. It can improve the VM performance and save storage space.

Right-click any of the virtual machine and click Snapshot Manager/Manage snapshots, it would show "Needs Consolidation/Delete Snapshots". Note: A Configuration Issue warning is also displayed in the Summary tab of the virtual machine indicating that virtual machine disk consolidation is needed.

As you know, snapshots affect the performance of virtual machines (VMs) in your VMware environment. The performance is affected by how long the snapshot or the snapshot tree is in place. The longer you have VMs running on snapshots, the more the guest OSs have changed since the time you took the snapshot.

What Is VMware Disk Consolidation? Virtual disk consolidation is the process of merging virtual disk files created after taking VM snapshots. You can initiate disk consolidation on demand to avoid performance degradation and other issues.