Dynamic Multipathing

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DMP stands for Dynamic Multipathing, DMP Balances I/O across all available paths between the server and the storage devices to improve performance and availability.

The DMP utility does not take any time to switch over. However, the total time for failover is dependent on how long the underlying disk driver retries the command before giving up.

See also: Multipath I/O implementations

[edit] External links

DMP details - http://eval.veritas.com/mktginfo/products/White_Papers/Storage_Server_Management/sf_dmp_wp.pdf

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