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In the gateway-cached setup (see How AWS Storage Gateway Works (Architecture)), you allocate one of the two disks, that you previously added to the VM, for cache storage and the other for upload buffer. You then create storage volume in Amazon S3. Data that your on-premises applications write to this volume is stored in Amazon S3. The gateway maintains the volume's recently accessed data locally in the Cache Storage.
The following architectural overview diagram shows what part of the gateway-cached setup you are creating.
In the preceding section, you created volumes (cache storage and upload buffer) on your on-premises hardware. Now, you create volume storage in Amazon S3. This is where your application data will reside.
To create a cached volume in Amazon S3
In the Configure Your Activated Gateway dialog box, create an iSCSI storage volume in Amazon S3.
For Capacity, specify 50 GiB.
The maximum size you can specify is 32 TiB.
Enter a name in the iSCSI Target Name field.
The target name can contain lowercase letters, numbers, periods (.), and hyphens (-).
This target name appears as the iSCSI Target
Node name in the Targets
tab of the iSCSI Microsoft Initiator UI
after discovery. For example, a name
would appear as
Ensure that the target name is globally unique within your
For this tutorial, use myvolume.
Leave the Based on Snapshot ID field empty.
If you want to restore an existing Amazon EBS snapshot or a gateway snapshot on to the storage volume that you are creating, you must specify the snapshot ID. The gateway downloads your existing snapshot data to the storage volume.
Verify that the Host IP field is the IP address of your gateway, and click Create Cached Volume.
In the Configure iSCSI Initiators dialog box, click Close.