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CTERA Portal Azure Blob Storage can use both hot and cool tiers. Data in the cool access tier can tolerate slightly lower availability, but still requires high durability, retrieval latency, and throughput characteristics similar to hot data. For cool data, a slightly lower availability service-level agreement (SLA) and higher access costs compared to hot data are acceptable trade-offs for lower storage costs.

Step-by-step guide

To configure tiering for an Azure Blob Storage node:

For example, the following sample policy manages the lifecycle for such data. It applies to block blobs in container portalsn and tiers tier blobs to cool storage 7 days after the last modification.
{
  "rules": [
{
"name": "rulePortalsn",
"enabled": true,
"type": "Lifecycle",
"definition": {
"filters": {
"blobTypes": [ "blockBlob" ],
"prefixMatch": [ "portalsn" ]
},
"actions": {
"baseBlob": {
"tierToCool": { "daysAfterModificationGreaterThan": 7 },
}
}
}
}
]
}