Change the default block size for the Storage Gateway from 64 KB to 128 KB 256 KB or 512 KB to improve I/O performance

Create a larger disk for the cached volume. In the AWS Management Console. edit the local disks then select the new disk as the cached volume

Ensure that the physical disks for the Storage Gateway are in a RAID 1 configuration to allow higher throughput

Take point in time snapshots of all the volumes in Storage Gateway flush the cache completely then restore the volumes from the clean snapshots

Select the AWS Namespace, filter by metric name, then add to the dashboard.

Add a text widget, select the appropriate metric from the custom namespace, then add to the dashboard.

Select the appropriate widget and metrics from the custom namespace, then add to the dashboard.

Open the CloudWatch console, from the CloudWatch Events, add all custom metrics.

Create an Amazon CloudWatch Events for file restoration from Amazon S3 Glacier using the GlacierJobDescrbption API and send the event to an SNS topic the administrator has subscribed to.

Create an AWS Lambda function that perform a HEAD request on the object being restored and checks the storage class of the object. Then send a notification to an SNS topic the administrator has subscribed to when the storage class changes to STANDARD.

Enable an Amazon S3 event notification for the s3: ObjectCreated : Post event that a sends notification to an SNS topic the administrator has subscribed.

Enable S3 event notification for the S3: ObjectRestore: Completed event that sends a notification to an SNS topic the Administrator has subscribed to.