Data protection and security are important IRM tasks to ensure that information is available when needed while also safely secured from various threat risks. Protecting data involves logical and physical security, including encryption and authentication along with ensuring that copies of data exist. For example, using snapshot, replication, and backup of data to meet service objectives, including recovery time objectives (RTO) and recovery point objectives (RPO). Another dimension of IRM activities across servers, storage, networks, and facilities is monitoring, managing, analyzing, and capacity planning. These tasks involve resource usage monitoring, accounting, event notification, and reporting, along with determining what resources can be consolidated and which ones need scaling to boost performance, capacity, or availability.
A good time to rethink data protection and archiving strategies of applications and systems data is when server consolidation is undertaken. Instead of simply moving the operating system and associated applications from a "tin"-wrapped physical server to a "software"-wrapped virtual server, consider how new techniques and technologies can be leveraged to improve performance, availability, and data protection. For example, an existing server with agent-based backup software installed sends data to a backup server over the LAN for data protection. However, when it is moved to a virtual server, the backup can be transitioned to a LAN-free and server-free backup server. Thus, LAN and other performance bottlenecks can be avoided.
With a continuing industry trend toward using disk-to-disk (D2D) backup and data protection for more frequent and timely data protection, tape is finding a renewed role in larger, more infrequent backups for large-scale data protection in support of long-term archiving and data preservation. For example, D2D, combined with compression and de-duplication disk-based solutions, is used for local, daily, and recurring backups. Meanwhile, weekly or monthly full backups are sent to tape to free disk space as well as address PCFE concerns.
There is no time like the present to reassess, rebuild, and reconfigure your data protection environment, particularly if you are planning on or have already initiated a server virtualization initiative. Virtual server environments require real and physical data protection.
Greg Schulz is the founder of StorageIO, an IT industry research and consulting firm. He has worked as a programmer, systems administrator, disaster recovery consultant, and capacity planner for various IT organizations, and also has held positions with industry vendors. He is author of the new book The Green and Virtual Data Center (CRC) and of the SNIA-endorsed book Resilient Storage Networks (Elsevier)".InformationWeek Analytics has published an independent analysis of green IT strategies. Download the report here (registration required).
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