The purpose of using LUN masking is to write volume labels at the windows based servers, and also renders the LUN mask system unusable by any other operating system and reduces the data loss. LUN can be implemented at the HBA level (HOST bus adapter). For ease of use, you can associate an ASCII World Wide Name (AWWN) with each WWN.Īns: LUN is a Logical unit number, which offers an authorized process available for some host. Both HBA and storage arrays director ports in their Channel topology are uniquely identified by a 64-bit World Wide Name (WWN). ![]() A device masking database, based in the storage arrays unit, eliminates conflicts through centralized monitoring and access records.
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