Skip to main content
NetApp Knowledge Base

Is it expected behavior for Volume efficinecy settings on SnapMirror source changed to be false after AFF snapmirror resync?

Views:
201
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
dp
Last Updated:

Applies to

ONTAP 9.3 + AFF

Answer

Yes. it is caused by ONTAP 9.3's design limitation.

Additional Information

ONTAP has a design change after ONTAP9.3 as below.

volume efficiency show after

resync src ->dst -> break

-> resync dst ->src

AFF + ONTAP 9.3

AFF + ONTAP 9.4 or later 

original source

                           Efficiency Policy Name: auto
 
                                      Compression: false
                               Inline Compression: false

                                    Inline Dedupe: false
                                  Data Compaction: true
                Cross Volume Inline Deduplication: false
            Cross Volume Background Deduplication: false
                         Extended Compressed Data: true

                           Efficiency Policy Name: auto
 
                                      Compression: true
                               Inline Compression: true

                                    Inline Dedupe: true
                                  Data Compaction: true
                Cross Volume Inline Deduplication: true
            Cross Volume Background Deduplication: true
                         Extended Compressed Data: true

original destination

                           Efficiency Policy Name: -
 
                                      Compression: false
                               Inline Compression: false

                                    Inline Dedupe: false
                                  Data Compaction: true
                Cross Volume Inline Deduplication: false
            Cross Volume Background Deduplication: false
                         Extended Compressed Data: true

                           Efficiency Policy Name: -
 
                                      Compression: false
                               Inline Compression: false

                                    Inline Dedupe: false
                                  Data Compaction: true
                Cross Volume Inline Deduplication: false
            Cross Volume Background Deduplication: false
                         Extended Compressed Data: true

 

 

 

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.