• ONTAP FlexArray Docs
• Implementing E-Series storage
  • Where to find information for configurations with storage arrays
    • Where to find information about ONTAP support for storage arrays
  • ONTAP systems that can use array LUNs on storage arrays
  • Requirements for configuring E-Series storage arrays
    • Required host type for E-Series storage arrays
  • Supported fabric-attached configurations for E-Series storage arrays
    • Stand-alone basic configuration
    • Stand-alone system with two 2-port array LUN groups
    • Single 4-port array LUN group configuration
    • Two 4-port array LUN group configuration
    • Eight-port array LUN group configuration
    • Attaching FC initiator port to multiple targets ports
    • Sharing a target port with two FC initiator ports
  • Supported direct-attached configurations with E-Series storage arrays
• Implementing third-party storage
  • Where to find information for configurations with storage arrays
    • Where to find information about ONTAP support for storage arrays
    • Limit types for configurations with storage arrays
  • Support for advanced features of storage arrays
  • ONTAP systems that can use array LUNs on storage arrays
  • General configuration guidelines for all storage arrays
    • Requirement for 8-Gb array port initialization
    • Required fill word settings for 8 Gb Brocade switch ports
  • EMC VNX storage arrays
    • Required parameters for EMC VNX storage arrays with ONTAP systems
    • How EMC VNX storage array control access to data
    • Limitation on array LUN numbering with EMC VNX array
    • Guidelines for enabling ALUA on EMC VNX storage arrays
    • ALUA behavior of VNX2 storage arrays
    • EMC VNX storage array families
  • EMC Symmetrix storage arrays
    • Required Parameter settings on the storage array for ONTAP systems
    • Requirements for implementing LUN security on EMC Symmetrix storage arrays
    • Caution about using the VCMDB LUN
    • Caution about using the ACLX LUN
    • Restriction on using gatekeeper LUNs
    • EMC Symmetrix storage array families
  • Hitachi storage arrays
    • Required parameters for Hitachi storage arrays with ONTAP systems
    • Workaround when LUNs are not visible with Hitachi storage arrays
    • Requirements for creating LUNs in dynamic pools
    • Requirements for formatting array LUNs
    • Requirements for using disks external to the storage array
    • Guidelines for configuring ports on Hitachi storage arrays
    • Hitachi storage array families
  • HP EVA storage arrays
    • Required parameters for HP EVA arrays with ONTAP systems
    • Requirements for configuring the HP EVA Storage Management Server
    • Preparing HP EVA storage arrays for NDU
    • ALUA support for HP EVA storage arrays
    • HP EVA storage array families
  • HP XP storage arrays
    • Required parameters for HP XP storage arrays with ONTAP
    • Workaround when LUNs are not visible with HP XP storage arrays
    • Requirements for creating LUNs in dynamic pools
    • Requirements for formatting array LUNs
    • Requirements for using disks external to the storage array
    • Guidelines for configuring ports on HP XP storage arrays
    • HP XP storage array families
  • IBM DS storage arrays
    • Required settings for IBM DS storage arrays with ONTAP systems
    • Requirements for volume groups on DS8xxx storage arrays
    • IBM DS storage array families
  • IBM XIV storage arrays
    • Requirements for configuring IBM XIV arrays with ONTAP systems
    • IBM XIV storage array families
  • 3PAR storage arrays
    • Required parameters for 3PAR arrays with ONTAP systems
      • Workaround for the unknown device (L254/SES) problem with 3PAR storage arrays
    • 3PAR storage array families
  • Supported fabric-attached configurations
    • Stand-alone basic configuration
    • Stand-alone system with two 2-port array LUN groups
    • Single 4-port array LUN group configuration
    • Two 4-port array LUN group configuration
    • Eight-port array LUN group configuration
    • Attaching FC initiator port to multiple targets ports
    • Sharing a target port with two FC initiator ports
• Installing FlexArray
  • FlexArray Virtualization technology overview—​using array LUNs for storage
    • ONTAP systems that can use array LUNs on storage arrays
    • Considerations when connecting multiple storage arrays to an ONTAP system
    • Supported methods for connecting an ONTAP system to a storage array
    • Sharing storage arrays among hosts
    • Requirements for MetroCluster configurations with array LUNs
  • Zoning in a configuration with storage arrays
    • Requirements for zoning in a configuration with storage arrays
    • Zoning recommendation for a configuration with storage arrays
    • Example of zoning in a configuration with storage arrays
  • Planning a configuration with array LUNs
    • Where to find information for configurations with storage arrays
      • Limit types for configurations with storage arrays
      • Where to find information about ONTAP support for storage arrays
      • 32xx system configuration restrictions
    • Stages of implementation for a system using array LUNs
    • Planning summary for a V-Series system using native disks
    • Planning summary for ONTAP systems using array LUNs
  • Planning for RAID implementation
    • RAID protection for array LUNs
    • Planning considerations for ONTAP RAID groups
  • Planning for ONTAP use of array LUNs
    • How array LUNs are made available for host use
    • How array LUNs become available for ONTAP storage use
      • Considerations when planning for disk ownership
      • Array LUN assignment changes
    • Array LUN type supported by ONTAP
    • Factors that impact the number and size of array LUNs you need
      • Factors impacting the required number of array LUNs
      • Minimum number of array LUNs required per ONTAP system
      • Spare array LUN requirement for core dumps
      • Minimum and maximum array LUN sizes supported for ONTAP configurations
      • Array LUN size required for the root volume
      • Elements that reduce the usable space in an array LUN
      • Considering checksum type when planning array LUN size and number
        • Characteristics of checksum types that ONTAP supports
        • Formulas for calculating array LUN size based on checksum type
    • Location of the root volume
  • Planning for LUN security on the storage arrays
    • Available LUN security methods
  • Planning for paths to array LUNs
    • Requirements for redundant setup of components in a path
      • When to check for redundant paths to array LUNs
    • Required number of paths to an array LUN
      • Advantages of four paths to an array LUN
      • Multiple paths to an array LUN can be used to distribute load
    • Benefits of using multiple LUN groups
      • Implementation requirements for a multiple LUN group configuration
      • Example of a configuration with multiple LUN groups
    • Array LUN name format
    • Pre-cluster array LUN name format
    • How the array LUN name is displayed in ONTAP
    • Valid pathing: stand-alone system with a single 2-port array LUN group
    • Valid pathing: a single 4-port array LUN group in a fabric-attached configuration
    • Valid pathing: eight-port array LUN group configuration
  • Planning a port-to-port connectivity scheme
    • Requirements for using FC initiator ports
    • How FC initiator ports are labeled
    • Configuring FC ports as initiators
    • Rules for sharing an FC initiator port with multiple target ports
    • Example configuration: shared FC initiator ports
    • Rules for sharing a target port with multiple FC initiator ports
    • Example configuration: shared target ports
    • Checking the number of array LUNs visible on an FC initiator port
    • Requirements for connecting to storage arrays
    • Guidelines for connecting a V-Series system to native disk shelves
    • FC initiator ports required for connection to native disks
    • Example of non-optimized usage of a storage array target port
  • Determining the array LUNs for specific aggregates
    • Rules for mixing storage in array LUN aggregates
    • How the checksum type is determined for array LUN aggregates
    • Checksum type considerations for adding spare array LUNs to aggregates
    • Aggregate rules when the storage arrays are from the same family
    • Aggregate rules when the storage arrays are from different vendors or families
  • Preparing a storage array for use with ONTAP systems
  • Connecting an ONTAP system to a storage array
  • Setting up the switches
  • Configuring LUN security
  • Setting up ONTAP to work with array LUNs
    • Configuring ONTAP on a system that uses only array LUNs
    • Installing the license for using array LUNs
    • Assigning ownership of array LUNs
  • Commands for checking back-end configuration
    • Back-end configuration errors detected by ONTAP commands
    • Situations not identified by commands that check back-end configuration
  • Verifying installation with storage arrays
    • Checking for back-end configuration errors preventing system operation
      • The storage errors show messages and their resolution
      • Array LUN size is either smaller or larger than the supported values
      • LUN IDs for the same LDEV do not match
      • Volume Set Addressing is inconsistent
      • Duplicate LUN IDs on a target port
      • Fewer than two paths to an array LUN
      • An access control LUN is presented to ONTAP
      • All paths to an array LUN are on the same storage array controller
      • Array LUNs are configured with conflicting failover modes
      • Array LUN is marked foreign and has a reservation
    • Verifying that the back-end configuration matches the intended configuration
      • Reasons for no LUNs in the array LUN group
      • Reasons for fewer array LUN groups than expected
      • Reasons for more array LUN groups than expected
      • Reasons for more paths to an array LUN than expected
      • Reasons for the incorrect number of LUNs in array LUN groups
      • Reasons storage arrays are missing from command output
  • Managing array LUNs using ONTAP
    • Modifying assignment of spare array LUNs
    • Checking the checksum type of spare array LUNs
    • Changing the checksum type of an array LUN
    • Prerequisites to reconfiguring an array LUN on the storage array
    • Changing array LUN size or composition
    • Removing one array LUN from use by ONTAP
    • Preparing array LUNs before removing an ONTAP system from service
  • Troubleshooting configurations with storage arrays
    • Getting started with troubleshooting an ONTAP configuration with array LUNs
    • Invalid path setup examples
      • Invalid path setup: alternate paths are not configured
    • What happens when a link failure occurs
    • Relationship between zoning and host group configuration
      • Dependency between zone and host group definitions
      • Example of cascading zoning and host group configuration errors
  • Additional tasks after installing and testing an ONTAP configuration with array LUNs
  • Obtaining WWPNs manually
  • Target queue depth customization
    • Guidelines for specifying the appropriate target queue depth
    • Setting the target queue depth (ONTAP prior to 8.2)
    • Setting the target queue depth
    • Displaying target queue depth statistics
    • Target port utilization policy settings
  • Terminology comparison between storage array vendors
• Legal Notices