AWS Storage Gateway User Guide
Dimensions for AWS Storage Gateway Metrics
Dimensions for AWS Storage Gateway Metrics
The Amazon CloudWatch namespace for the AWS Storage Gateway service is AWS/StorageGateway.
Data is available automatically in 5-minute periods at no charge.
Dimension Description
GatewayId, GatewayName These dimensions filter the data you request to gateway-specific
metrics. You can identify a gateway to work by its GatewayId or
its GatewayName. However, note that if the name of your gateway
was changed for the time range that you are interested in viewing
metrics, then you should use the GatewayId.
Throughput and latency data of a gateway is based on all the
volumes for the gateway. For information about working with
gateway metrics, see Measuring Performance Between Your
Gateway and AWS.
VolumeId This dimension filters the data you request to volume-specific
metrics. Identify a storage volume to work with by its VolumeId.
For information about working with volume metrics, see Measuring
Performance Between Your Application and Gateway.
Monitoring the Upload Buffer
You can find information following about how to monitor a gateway's upload buffer and how to create
an alarm so that you get a notification when the buffer exceeds a specified threshold. By using this
approach, you can proactively add buffer storage to a gateway before it fills completely and your storage
application stops backing up to AWS.
You monitor the upload buffer in the same way in both the cached volume and tape gateway
architectures. For more information, see How AWS Storage Gateway Works (Architecture) (p. 2).
Note
The WorkingStoragePercentUsed, WorkingStorageUsed, and WorkingStorageFree
metrics represent the upload buffer for the stored volumes setup only before the release of the
cached-volume feature in Storage Gateway. Now you should use the equivalent upload buffer
metrics UploadBufferPercentUsed, UploadBufferUsed, and UploadBufferFree. These
metrics apply to both gateway architectures.
Item of Interest How to Measure
Upload buffer usage Use the UploadBufferPercentUsed, UploadBufferUsed, and
UploadBufferFree metrics with the Average statistic. For example, use the
UploadBufferUsed with the Average statistic to analyze the storage usage
over a time period.
To measure upload buffer percent used
1. Open the CloudWatch console at https://console.amazonaws.cn/cloudwatch/.
2. Choose the StorageGateway: Gateway Metrics dimension, and find the gateway that you want to
work with.
API Version 2013-06-30
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