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Hands-On Review: Veritas CommandCentral Storage 4.0

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To effectively manage a storage resource, you must be able to control it. The managing tab displays the various management points of storage resources. As you click on links representing the resource(s), you eventually get to a single resource on which you can perform an action, allowing for end-to-end storage management.

For example, clicking on an item in the databases section displays links that further identify the database instance. You can then drill down into the tablespaces and eventually get to the LUN(s) that support them. A DBA could use these steps to expand a volume.

Perhaps the biggest enhancement to CCS is the provisioning of heterogeneous storage via the array's API. Until now, SRM products had limited control over an array's LUNs and their provisioning. LUN allocation could be controlled via zone management, but zoning alone isn't enough in the provisioning process.

Provisioning tasks can be streamlined by grouping storage resources into a single entity for allocation. By grouping redundant array ports for example, you can bind LUNs to the array port group in one operation instead of singly for each port.

CommandCentral's reporting set is abundant. Storage capacity reports include distribution and allocation by connection type, storage class, vendor and RAID levels. Other reports detail application and user consumption by file types and growth over a period

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of time. Performance reports are also available.

The change history summary and snapshot comparison reports are helpful for managing changes on the SAN and for troubleshooting. The change history report itemizes changes made to storage resources over a specific period; the snapshot comparison shows a before-and-after picture of storage resources.

Policies are defined in the monitoring section and enforced by the alert manager. For example, a policy may say that if a switch port shows a certain number of CRC errors over a period of time, a notification should be sent or a script executed.

Multithreshold policies are a new feature that allow a single event to have up to four levels of severity associated with an alarm. SANPoint Control only supported single-level thresholds.

This was first published in October 2004

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