1. A method for managing allocation of resources to I/O tasks in a RAID system, the method comprising: generating configuration information about said RAID system; defining a plurality of I/O tasks; defining a plurality of resource pools; determining for each resource pool a respective set of resources associated with that resource pool, the set of resources based at least in part on said configuration information and said plurality of I/O tasks, each set of resources comprising one or more resource types; associating a first I/O task from said plurality of I/O tasks with a respective first resource pool from said plurality of resource pools; and allocating to said first I/O task a requested resource from said associated respective first resource pool if said requested resource is available from said respective set of resources associated with said associated respective first resource pool.