•Virtual disk RAID level migration

•Segment size migration

•Virtual disk capacity expansion

•Disk group expansion

•Disk group defragmentation.

If a redundant RAID controller module fails with an existing disk group process, the process on the failed controller is transferred to the peer controller. A transferred process is placed in a suspended state if there is an active disk group process on the peer controller. The suspended processes are resumed when the active process on the peer controller completes or is stopped.

NOTE: If you try to start a disk group process on a controller that does not have an existing active process, the start attempt fails if the first virtual disk in the disk group is owned by the other controller and there is an active process on the other controller.

RAID Background Operations Priority

The storage array supports a common configurable priority for the following RAID operations:

•Background initialization

•Rebuild

•Copy back

•Virtual disk capacity expansion

•Raid level migration

•Segment size migration

•Disk group expansion

•Disk group defragmentation.

The priority of each of these operations can be changed to address performance requirements of the environment in which the operations are to be executed.

Planning: MD3200i Series Storage Array Terms and Concepts

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Dell MD3200i, MD3220i owner manual RAID Background Operations Priority
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MD3200i, MD3220i specifications

The Dell MD3220i and MD3200i are part of Dell's extensive line of modular storage solutions, designed to support organizations in optimizing their data management and scalability requirements. These models offer reliable performance and flexible features, making them suitable for various workloads including virtualization, cloud storage, and disaster recovery.

One of the standout features of the MD3220i and MD3200i is their support for iSCSI storage networking. By utilizing the Internet Small Computer Systems Interface (iSCSI) protocol, these systems provide organizations with a cost-effective way to connect their storage over existing network infrastructure, enabling efficient data transfers and management.

Both models are equipped with dual controllers that ensure high availability and failover capabilities, which are crucial for meeting uptime requirements in mission-critical environments. The dual controllers also facilitate load balancing and increase overall system performance, as they allow multiple paths to the storage, enhancing I/O performance.

Scalability is another key characteristic of the MD3220i and MD3200i. These storage arrays can be expanded to meet growing storage demands, supporting up to 240TB of raw capacity with up to 16 additional expansion enclosures. This flexibility allows organizations to start with a smaller configuration and grow their storage capabilities without a complete overhaul of the existing infrastructure.

The units also support multiple disk types, including traditional spinning disks, solid-state drives (SSDs), and a combination of both. This versatility enables users to tailor storage configurations to their specific performance and budgetary needs. Furthermore, the systems feature advanced data management technologies such as snapshots and remote replication, providing essential tools for data protection.

With their ease of management, the MD3220i and MD3200i are designed for straightforward configuration and operation. The intuitive management interfaces allow IT professionals to monitor performance, configure storage, and manage data effectively, ensuring businesses can maintain optimal system availability.

In summary, the Dell MD3220i and MD3200i are robust, scalable, and versatile storage solutions that cater to diverse organizational needs. Their integrated technologies, such as iSCSI support, dual controller architecture, and advanced data management features, make them an ideal choice for modern data centers looking to enhance storage capabilities while ensuring reliability and performance.
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