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Overview - Medical Imaging

Table of Contents

Introduction

Medical Imaging is a comprehensive solution that can be installed on any computer to provide unified protection and recovery of images residing on it. In addition to image files, other type of files can also receive complete protection, such as video and audio files.

Medical Imaging also provides an integrated migration process that archives the backed up images. The archiving process periodically moves the qualifying files to less expensive secondary storage, thereby reducing the size of data stored on the primary storage.

Key Features

Medical Imaging offers the following key features:

Simplified Data Management

The Medical Imaging solution enables easy management of all the images in your environment, by providing pre-defined archiving rules and default content that includes all possible image types.

Point-in-Time Recovery

In the event of a serious system failure, such as the breakdown of hardware, software, or operating systems, the solution provides a point-in-time recovery of files at any given time.

Recall Throttling

You can configure the stub recovery parameters, such that, you can set the Maximum Number of Stubs in a Recall Job, Time between recalls and Time to wait after maximum successive recalls limit is reached.

Stub Pruning

Archived data is pruned and secondary storage space is reclaimed based on the stub retention setting and the storage policy cycle - based retention criteria.

Terminology

Migration Archiving

Migration archiving is a process of periodically moving unused or infrequently used data on a host computer to secondary storage, thereby reducing the size of data on the primary storage.

Stubbing

The stubbing phase starts after the archive phase succeeds. Stubs are placeholders of the original data after it has been migrated to the secondary storage. Stubs replace the archived files in the location selected by the user during the archive.  However, stubs will only be created if the subclient properties were configured to create them during archive.

Data Recovery

 

The archived and migrated data can be recovered in any of the following three methods:
  • Recovery of archived files per file paths provided using the CommCell Console.
  • Browse and Recovery of archived files using the CommCell Console.
  • Recall of archived files from stubs using third-party applications like: Windows Terminal or Console window.

Stub Recovery

If the subclient is configured to create stubs, you can perform a recall operation from a Windows workstation for recovering the stubs. A recall is any action that causes an open and read to be executed on the stub, which automatically initiates a recovery operation.

Persistent Recovery

Multiple stub recoveries are submitted to the Job Controller as one job called a Persistent Recovery job. The job will wait for approximately 5 seconds in order to allow other stub recovery requests being submitted on the same client to be batched into the same job.