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# Access types

Access types are the permissions that are associated with an access control entry (ACE).

Table 1. Access types
Access type | Description
--- | ---
ADMIN | Grants administrator privilege to grant or deny access control entries to hosts and users.
ADMINRD | Grants read access only to all access control information.
ALL | All possible access types that are granted except ADMIN and ADMINRD. Must be directed to ALL volumes.
BASE | Allows the discovery of devices and to obtain states and statistics from the storage system (directors and volumes).
BASECTRL | Allows base control operations on volumes and device groups.
BCV | Allows TimeFinder (BCV) and clone control and status operations.
CACHCTRL | Allows cache control operations concerning LRU partition management.
CFGDEV | Allows powerful configuration control operations that manage various types of configuration changes on volumes in the storage system.
CFGSYM | Allows access to set storage system attributes, set port flags, and swap RA groups. Must be directed to ALL volumes.
CHECKSUM | Allows volume Double Checksum operations.
CREATEDV | Allows the creation and deletion of volumes.
DIRCTRL | Allows you to take directors and their ports offline and online. Must be directed to ALL volumes.
ECC | Allows the ECC agent to run on the requested host.
OPTMZR | Allows user-configurable attributes that may affect the Optimizer behavior.
POWRPATH | Access to PowerPath-directed devices in an SRDF group. Must be directed to ALL volumes.
QOS | Allows the execution of Quality of Service (QOS) performance control operations to manage copy priorities. Excludes LRU cache control functionality.
RCOPY | Manages Open Replicator sessions.
SRDF | Allows SRDF control and set operations.
SDDF | Allows the DeltaMark (Change Tracker) functionality that monitors track changes.
SDR | Allows mapping/unmapping of devices to directors/ports for the Disk Reallocation (SDR) feature.
SNAP | Allows the creation and management of virtual copy sessions between a source volume and multiple virtual (VDEV) target volumes.
VLOGIX | Enables access to volume Masking or Volume Logix volumes.

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