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How to perform a non-disruptive change between Active-Passive (RDAC) and ALUA host types on E-Series arrays connected to ONTAP 7-Mode systems

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Applies to

  • SAN
  • Data ONTAP 8.1 7-Mode
  • FlexPod
  • E-Series Controller Firmware 8.xx
  • V-Series

Description

Starting with Data ONTAP 8.2.3, 'Data ONTAP (ALUA)' Host type (Host Operating System) is supported and recommended for use with NetApp E-Series storage arrays.
Note: In E-Series controller firmware 8.25 and later the Data ONTAP (RDAC) host type has been deprecated. The following procedure for changing the E-Series host type from RDAC to ALUA must be completed prior to upgrading to 8.25 and later.


This article describes a non-disruptive procedure to convert the host type on the NetApp E-Series array connected to Data ONTAP systems. Changing the host type without following the recommended procedure might cause disruption to Data ONTAP systems that are serving data.

You can use this non-disruptive procedure to perform the following for the E-Series arrays connected to the Data ONTAP system:

  • Switch existing configurations with DATA ONTAP (RDAC) host type to DATA ONTAP (ALUA) host type
  • Switch existing configurations with DATA ONTAP (ALUA) host type to DATA ONTAP (RDAC)  host type

Note: The term ‘Data ONTAP system’ in this article refers to V-Series systems and FAS systems with the capability of attaching to storage arrays.
On NetApp E-Series arrays, ALUA host type is supported from firmware version 08.10.15.00 onwards.

 

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