What is out-of-band management or inband management, and what are their differen

uzumaki.naruto · Created Mar 24, 2016 12:43:14

The storage device management can be in out-of-band or in-band mode. These two modes can achieve storage device management based on different channels.

Out-of-band management: The management control data of the storage device is transferred on a different link from the service data. In a typical connection, the maintenance terminal connects to the management network port or serial port of the storage device to manage the device, and the application server connects to the service network port of the storage device to transmit service data. The two links are independent of each other. The management mode described in the Product Documentation and Configuration Guide is the out-of-band mode.
Inband management: The management control data of the storage device is transferred on the same link as the service data. In a typical connection, the application server connects to the storage device by using the service network port. Install the Inband Agent software (part of the HostAgent software package) on the application server to manage the storage device without interrupting service data transfer.

The differences of these two management modes lie in:

Reliability: In out-of-band mode, when the service link is faulty, you can still log in to and manage the storage device by using the management link.
Management mode: In out-of-band mode, either the ISM or CLI can be used for management. In inband mode, only the ISM can be used.
Networking: In inband mode, management data and service data share the same link. Therefore, the number of network cables is reduced.
Functions: In inband mode, the application server collaborates with the storage device. In some cases, the performance of the storage device is enhanced.

What is out-of-band management or inband management, and what are their differen

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What is out-of-band management or inband management, and what are their differen

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