Automated Storage Tiering
Automated tiered storage (also automated storage tiering) is the automated progression or demotion of data across different tiers (types) of storage devices and media. The movement of data takes place in an automated way with the help of a software or embedded firmware and is assigned to the related media according to performance and capacity requirements. Automated Tiered Storage is a form of Hierarchical Storage Management.
CloudTier Storage Tiering SDK is a data storage technique which automatically moves data between high-cost local disk and low-cost remote cloud storage. CloudTier Storage Tiering SDK can help simplify the migration process by providing the transparent file access from the remote storage.
Using the cloud as a storage tier, data can first be moved to a ‘warm’ archive tier of higher-performance disk, where it can still be accessed quickly to meet RPO and RTO SLA’s. As you retain archives for longer, older data can then be moved to a ‘cold’ archive tier with better economics. (This is similar to the tiered storage cost/performance model offered by Amazon S3 with its “warm” Standard tier, “cold” Infrequent Access tier and “frozen” Glacier tier.)
Integrating Cloud as Second Tier
CloudTier Storage Tiering SDK was implemented with tiered storage file system filter driver. A file system filter driver intercepts requests targeted at a file system or another file system filter driver. By intercepting the request before it reaches its intended target, the filter driver can extend or replace functionality provided by the original target of the request.
The CloudTier tiered storage filter driver can intercept the file I/O to the local storage and redirect it to the remote cloud storage by implementing the file system filtering functionalities which was provided by the Filter Manager framework. With the ClooudTier Storage Tering, you can connect the cloud storage seamless as local on-premises storage, your application can use the cloud storage just like the local storage without the modification.
Cloud Storage Integration
The CloudTier Cloud Storage Connect service can connect an on-premises software appliance with cloud-based storage to integrate your existing on-premises applications with the remote cloud storage infrastructure in a seamless, secure, and transparent fashion. There are no interruption to migrate your on-premises files to the remote cloud storage, don’t need to change your existing applications and infrastructure.
- Set up file cloud migration policies based on the file type, file size, file attributes.
- Create stub file based on the policies after the file was migrated to the cloud storage, it can free up the space from on-premises storage.
- Transparent the cloud storage access by reading the stub file for your local application.
- Transparent moving data back from remote cloud storage to the local, re-hydrate the stub file for the recent access file based on the policies.