HP StorageWorks MSA 2/8 HP StorageWorks Zoning V3.1.x/4.1.x User Guide (AA-RS2 - Page 44
rectify the situation., behavior is known and acceptable. Changing HBA drivers can
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Zoning Concepts Rule 7 Rule 8 Zone changes in a production fabric can result in a disruption of I/O under conditions where an RSCN is issued as a result of a zone change and the host bus adapter (HBA) is unable to process the RSCN quickly enough. Though RSCNs are a normal part of a functioning SAN, the pause in I/O may not be acceptable. For these reasons, it is recommended to do zone changes only if the resulting behavior is known and acceptable. Changing HBA drivers can rectify the situation. After changing or enabling a zone configuration, the user should confirm that nodes and storage are able to see and access one another. Depending on the platform, the user may need to reboot one or more nodes in the fabric with the new changes to the zone. 44 Zoning Version 3.1.x/4.1.x User Guide