NEC S2900 User Manual

Contents

NEC S2900 User Manual Manual pdf 118 page image

1014. Access ControlAccess Control sets an accessible logical disk for each host (HBA) or each port.The use of the access control feature enables the division of logical disks into logical disk groups. Thedivision extends the flexibility of the system configuration. The feature also ensures data protectionand security protection by limiting access to each host (HBA) or each port.Dedicated software (AccessControl - NEC Storage S2900), which is purchased separately, is necessaryfor using the access control feature. For details on the usage, refer to the User's Guide provided withthe software.Before the access control feature can be used on this disk array unit, the license lock must be releasedby using the license key provided with the software.You can release the license lock and make setting changess by yourself.An NEC maintenance service representative may provide the installation service (at an additionallcharg) for releasing the license lock and making settings. Contact your maintenance servicerepresentative if necessary.4.1 Port ModeAccessible logical disks are set in ports in the port mode.The access control in the port mode has the following features. Conversion between logical disk number for management in system and that on host interface Masking by setting logical disks accessible from port Addition/removal of logical disks accessible from port Registration of host permitting accesses4.2 World Wide Name (WWN) ModeAccessible logical disks in the system are set for each host (HBA) in the WWN mode.The access control in the WWN mode has the following features. Conversion between logical disk number for management in system and that on host interface Masking by setting logical disks accessible from host (HBA) Addition/removal of logical disks accessible from host (HBA)5. Dynamic Data ReplicationThis feature creates the replication of a logical disk in a single unit. To create the replication, the