# Managing local disks for your Storage Gateway
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The gateway virtual machine (VM) uses the local disks that you allocate on-premises for buffering and storage. Gateways created on Amazon EC2 instances use Amazon EBS volumes as local disks. 

**Topics**
+ [Deciding the amount of local disk storage](decide-local-disks-and-sizes.md)
+ [Configuring additional upload buffer or cache storage](ConfiguringLocalDiskStorage.md)