- Information Lifecycle Management
__NOTOC__Information Lifecycle Management refers to a wide-ranging set of strategies for administering
storage systemson computingdevices. Specifically, four categories of storage strategies may be considered under the auspices of ILM.
ILM Policy consists of the overarching storage and information policies that drive management processes. Policies are dictated by business goals and drivers. Therefore, policies generally tie into a framework of overall IT
governanceand management; change controlprocesses; requirements for system availability and recovery times; and service level agreements (SLAs).
Information Management consists of the practices that facilitate operational storage management. These include the principles that guide ILM; the storage management tools and practices; database management practices; system performance and
monitoring; system configuration; capacity planning; and business controls. Business controls generally include chargeback, costing and P&L-related metrics..
Operational aspects of ILM include backup and data protection;
disaster recovery, restore, and restart; archiving and long-term retention; data replication; and day-to-day processes and procedures necessary to manage a storage architecture.
Infrastructure facets of ILM include the logical and physical architectures; the applications dependent upon the storage platforms;
securityof storage; and data centerconstraints. Within the application realm, the relationship between applications and the production, test, and development requirements are generally most relevant for ILM.
Information Lifecycle Management (sometimes abbreviated ILM) is the practice of applying certain policies to the effective management of information throughout its useful life. This practice has been used by Records and Information Management (RIM) Professionals for over three decades and had its basis in the management of information in paper or other physical forms (microfilm, negatives, photographs, audio or video recordings and other assets).
ILM includes every phase of a "record" from its beginning to its end. And while it is generally applied to information that rises to the classic definition of a record (
Records management), it applies to any and all informational assets. During its existence, information can become a record by being identified as documenting a business transaction or as satisfying a business need. In this sense ILM has been part of the overall approach of ECM Enterprise content management.
However, in a more general perspective the term "business" must be taken in a broad sense, and not forcibly tied to direct commercial or enterprise contexts. While most records are thought of as having a relationship to enterprise business, not all do. Much recorded information serves to document an event or a critical point in history. Examples of these are birth, death, medical/health and educational records.
e-Science, for example, is an emerging area where ILM has become relevant.
In the year 2004, attempts have been made by the Information Technology and Information Storage industries (
SNIAassociation) to assign a new broader definition to Information Lifecycle Management (ILM) according to this broad view:
*"Information Lifecycle Management comprises the policies, processes, practices, and tools used to align the business value of information with the most appropriate and cost effective IT infrastructure from the time information is conceived through its final disposition. Information is aligned with
business processes through management policies and service levels associated with applications, metadata, information, and data".
For the purposes of business records, there are five phases identified as being part of the lifecycle continuum along with one exception. These are:
* Creation and Receipt
Creation and Receipt deals with records from their point of origination. This could include their creation by a member of an organization at varying levels or receipt of information from an external source. It includes correspondence, forms, reports, drawings, computer input/output, or other sources.
Distribution is the process of managing the information once it has been created or received. This includes both internal and external distribution, as information that leaves an organization becomes a record of a transaction with others.
Use takes place after information is distributed internally, and can generate business decisions, document further actions, or serve other purposes.
Maintenance is the management of information. This can include processes such as filing, retrieval and transfers. While the connotation of 'filing' presumes the placing of information in a prescribed container and leaving it there, there is much more involved. Filing is actually the process of arranging information in a predetermined sequence and creating a system to manage it for its useful existence within an organization. Failure to establish a sound method for filing information makes its retrieval and use nearly impossible. Transferring information refers to the process of responding to requests, retrieval from files and providing access to users authorized by the organization to have access to the information. While removed from the files, the information is tracked by the use of various processes to ensure it is returned and/or available to others who may need access to it.
Disposition is the practice of handling information that is less frequently accessed or has met its assigned retention periods. Less frequently accessed records may be considered for relocation to an 'inactive records facility' until they have met their assigned retention period. Retention periods are based on the creation of an organization-specific retention schedule, based on research of the regulatory, statutory and legal requirements for management of information for the industry in which the organization operates. Additional items to consider when establishing a retention period are any business needs that may exceed those requirements and consideration of the potential historic, intrinsic or enduring value of the information. If the information has met all of these needs and is no longer considered to be valuable, it should be disposed of by means appropriate for the content. This may include ensuring that others cannot obtain access to outdated or obsolete information as well as measures for protection privacy and confidentiality.
Long-term records are those that are identified to have a continuing value to an organization. Based on the period assigned in the retention schedule, these may be held for periods of 25 years or longer, or may even be assigned a retention period of "indefinite" or "permanent". The term "permanent" is used much less frequently outside of the Federal Government, as it is impossible to establish a requirement for such a retention period. There is a need to ensure records of a continuing value are managed using methods that ensure they remain persistently accessible for length of the time they are retained. While this is relatively easy to accomplishing with paper or microfilm based records by providing appropriate environmental conditions and adequate protection from potential hazards, it is less simple for electronic format records. There are unique concerns related to ensuring the format they are generated/captured in remains viable and the media they are stored on remains accessible. Media is subject to both degradation and obsolescence over its lifespan, and therefore, policies and procedures must be established for the periodic conversion and migration of information stored electronically to ensure it remains accessible for its required retention periods.
Exceptions occur with non-recurring issues outside the normal day to day operations. One example of this is a legal hold, litigation hold or legal freeze is requested by an attorney. What follows is that the records manager will place a legal hold inside the records management application which will stop the files from being in queued for disposition.
Computer data storage
Enterprise content management
Hierarchical storage management
* Solix [http://www.solix.com/information_lifecycle_management_solutions.htm Information Lifecycle Management] Solutions
* [http://www.infoworld.com/archives/videoTemplate.jsp?Id=1506&type=InfoClipz&tag=Security InfoWorld InfoClip video: Information Lifecycle Management]
* [http://www.sanbolic.com/pdfs/silmWhitePaper.pdf Simple Information Lifecycle Management White paper]
* [http://www.ediscoverylaw.com/2006/12/articles/news-updates/ediscovery-amendments-to-the-federal-rules-of-civil-procedure-go-into-effect-today/ U.S. Federal Rules on discovery of electronically stored information (ESI)]
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