AWS Storage Gateway quotas

In this topic, you can find information about volume and tape quotas, configuration, and performance limits for Storage Gateway.

Quotas for volumes

The following table lists quotas for volumes.

Description	Cached volumes	Stored volumes
Maximum size of a volume Note If you create a snapshot from a cached volume that is more than 16 TiB in size, you can restore it to a Storage Gateway volume but not to an Amazon Elastic Block Store (Amazon EBS) volume.	32 TiB	16 TiB
Maximum number of volumes per gateway	32	32
Total size of all volumes for a gateway	1,024 TiB	512 TiB

Recommended local disk sizes for your gateway

The following table recommends sizes for local disk storage for your deployed gateway.

Gateway Type	Cache (Minimum)	Cache (Maximum)	Upload Buffer (Minimum)	Upload Buffer (Maximum)	Other Required Local Disks
Cached volume gateway	150 GiB	64 TiB	150 GiB	2 TiB	—
Stored volume gateway	—	—	150 GiB	2 TiB	1 or more for stored volume or volumes

Note

You can configure one or more local drives for your cache and upload buffer, up to the maximum capacity.

When adding cache or upload buffer to an existing gateway, it's important to create new disks in your host (hypervisor or Amazon EC2 instance). Don't change the size of existing disks if the disks have been previously allocated as either a cache or upload buffer.