The storage aggregate show-efficiency command displays information about the storage efficiency of all the aggregates. The storage efficiency is displayed at four different levels:

Total
Aggregate
Volume
Snapshot and FlexClone volume

Parameters

{ [-fields <fieldname>,…]: If you specify the -fields <fieldname>, … parameter, the command output also includes the specified field or fields. You can use '-fields ?' to display the fields to specify.
| [-details ]: Use this parameter to show additional Storage Efficiency Ratios.
| [-advanced ]: Use this parameter to show additional Storage Efficiency Ratios and size values.
| [-instance ] }: If you specify the -instance parameter, the command displays detailed information about all fields.
[-aggregate <aggregate name>] - Name of the Aggregate: Displays the aggregate name. If this parameter is specified, the command displays detailed information about the storage efficiency of the specified aggregate.
[-node {<nodename>|local}] - Node where Aggregate Resides: Displays the node which owns the aggregate. If this parameter is specified, the command displays storage efficiency information only about the aggregates that are located on the specified node.
[-total-logical-used {<integer>[KB|MB|GB|TB|PB]}] - Logical Size Used by Volumes, Clones, Snapshot Copies in the Aggregate: Displays the logical size used in the aggregate. This includes Volumes, Clones and Snapshots in the aggregate. The logical size is computed based on physical usage and savings obatained in the aggregate.
[-total-physical-used {<integer>[KB|MB|GB|TB|PB]}] - Total Physical Used: Displays the physical size used by the aggregate.
[-total-storage-efficiency-ratio <text>] - Total Storage Efficiency Ratio: Displays the total storage efficiency ratio of the aggregate.
[-total-data-reduction-logical-used-wo-snapshots {<integer>[KB|MB|GB|TB|PB]}] - Total Data Reduction Logical Used Without Snapshots: Displays the logical size used in the aggregate excluding Snapshot copies.
[-total-data-reduction-physical-used-wo-snapshots {<integer>[KB|MB|GB|TB|PB]}] - Total Data Reduction Physical Used Without Snapshots: Displays the physical size used by the aggregate excluding Snapshot copies.
[-total-data-reduction-efficiency-ratio-wo-snapshots <text>] - Total Data Reduction Efficiency Ratio Without Snapshots: Displays the total storage efficiency ratio obtained by Deduplication, Compression, Data Compaction, Pattern Detection and FlexClone data reduction technologies excluding snapshot copies on the aggregate.
[-total-data-reduction-logical-used-wo-snapshots-flexclones {<integer>[KB|MB|GB|TB|PB]}] - Total Data Reduction Logical Used without snapshots and flexclones: Displays the logical size used in the aggregate excluding Snapshot copies and FlexClones.
[-total-data-reduction-physical-used-wo-snapshots-flexclones {<integer>[KB|MB|GB|TB|PB]}] - Total Data Reduction Physical Used without snapshots and flexclones: Displays the physical size used by the aggregate excluding Snapshot copies and FlexClones.
[-total-data-reduction-efficiency-ratio-wo-snapshots-flexclones <text>] - Total Data Reduction Efficiency Ratio without snapshots and flexclones: Displays the total storage efficiency ratio obtained by Deduplication, Compression, Data Compaction, Pattern Detection data reduction technologies excluding snapshot copies and flexclones on the aggregate.
[-volume-logical-used {<integer>[KB|MB|GB|TB|PB]}] - Logical Space Used for All Volumes: Displays the logical size used by all the volumes in the aggregate.
[-volume-physical-used {<integer>[KB|MB|GB|TB|PB]}] - Physical Space Used for All Volumes: Displays the physical size used by all volumes in the aggregate.
[-volume-efficiency-saved {<integer>[KB|MB|GB|TB|PB]}] - Space Saved by Volume Deduplication: Displays the total disk space that is saved by deduplication and FlexClone for files, LUNs or NVMe namespaces by all volumes in the aggregate.
[-volume-dedupe-zero-pattern-saved {<integer>[KB|MB|GB|TB|PB]}] - Space Saved by Volume Deduplication and pattern detection: Displays the total disk space that is saved by deduplication, Zero pattern detection and FlexClone for files, LUNs or NVMe namespaces by all volumes in the aggregate.
[-volume-efficiency-saved-ratio <text>] - Volume Deduplication Savings ratio: Displays the storage efficiency ratio for savings by deduplication and FlexClone for files, LUNs or NVMe namespaces by all volumes in the aggregate.
[-volume-compression-saved {<integer>[KB|MB|GB|TB|PB]}] - Space Saved by Volume Compression: Displays the total disk space that is saved by compressing blocks by all volumes in the aggregate.
[-volume-compression-saved-ratio <text>] - Volume Compression Savings ratio: Displays the storage efficiency ratio for savings by compressing blocks on all volumes in the aggregate.
[-volume-vbn-zero-saved {<integer>[KB|MB|GB|TB|PB]}] - Space Saved by Inline Zero Pattern Detection: Displays the total disk space that is saved by inline zero pattern detection by all the volumes in the aggregate.
[-volume-data-reduction-storage-efficiency-ratio <text>] - Volume Data Reduction SE Ratio: Displays the storage efficiency ratio of all the volumes in the aggregate.
[-aggr-logical-used {<integer>[KB|MB|GB|TB|PB]}] - Logical Space Used by the Aggregate: Displays the logical size used by the aggregate.
[-aggr-physical-used {<integer>[KB|MB|GB|TB|PB]}] - Physical Space Used by the Aggregate: Displays the physical size used by the aggregate.
[-aggr-compaction-saved {<integer>[KB|MB|GB|TB|PB]}] - Space Saved by Aggregate Data Reduction: Displays the total disk space that is saved by data compaction, cross volume sharing at the aggregate level.
[-aggr-data-reduction-storage-efficiency-ratio <text>] - Aggregate Data Reduction SE Ratio: Displays the storage efficiency ratio of the aggregate.
[-snapshot-logical-used {<integer>[KB|MB|GB|TB|PB]}] - Logical Size Used by Snapshot Copies: Displays the logical size used by all Volume Snapshots residing in the aggregate.
[-snapshot-physical-used {<integer>[KB|MB|GB|TB|PB]}] - Physical Size Used by Snapshot Copies: Displays the physical size used by all Volume Snapshots residing in the aggregate.
[-snapshot-volume-data-reduction-storage-efficiency-ratio <text>] - Snapshot Volume Data Reduction Ratio: Displays the Snapshot volume storage efficiency ratio of the aggregate.
[-flexclone-volume-logical-used {<integer>[KB|MB|GB|TB|PB]}] - Logical Size Used by FlexClone Volumes: Displays the logical size used by all FlexClone volumes residing in the aggregate.
[-flexclone-volume-physical-used {<integer>[KB|MB|GB|TB|PB]}] - Physical Sized Used by FlexClone Volumes: Displays the physical size used by all FlexClone volumes in the aggregate.
[-flexclone-volume-data-reduction-storage-efficiency-ratio <text>] - FlexClone Volume Data Reduction Ratio: Displays the FlexClone volume storage efficiency ratio of the aggregate.
[-snapshot-flexclone-volume-data-reduction-storage-efficiency-ratio <text>] - Snapshot And FlexClone Volume Data Reduction SE Ratio: Displays the Snapshot and FlexClone volume storage efficiency ratio of the aggregate.
[-number-of-offline-volumes <integer>] - Number of Volumes Offline: Displays the number of volumes that are offline in the aggregate.
[-number-of-sis-disabled-volumes <integer>] - Number of SIS Disabled Volumes: Displays the number of volumes on which volume efficiency is disabled in the aggregate.
[-number-of-sis-change-log-disabled-volumes <integer>] - Number of SIS Change Log Disabled Volumes: Displays the number of volumes on which efficiency change log is disabled in the aggregate. The scheduled background Deduplication will be disabled on these volumes.

Examples

The following example displays information about all aggregates that are owned by nodes in the local cluster:

cluster::*> aggr show-efficiency

Aggregate: aggr1
     Node: node1

Total Data Reduction Efficiency Ratio:  3.29:1
Total Storage Efficiency Ratio:         4.29:1
Aggregate: aggr2
     Node: node1

Total Data Reduction Efficiency Ratio:  4.50:1
Total Storage Efficiency Ratio:         5.49:1

cluster::*> aggr show-efficiency -details

Aggregate: aggr1
     Node: node1

Total Data Reduction Ratio:                    2.39:1
Total Storage Efficiency Ratio:                4.29:1

Aggregate level Storage Efficiency
(Aggregate Deduplication and Data Compaction): 1.00:1
Volume Deduplication Efficiency:               5.03:1
Compression Efficiency:                        1.00:1

Snapshot Volume Storage Efficiency:            8.81:1
FlexClone Volume Storage Efficiency:           1.00:1
Number of Efficiency Disabled Volumes:         1

Aggregate: aggr2
     Node: node1
Total Data Reduction Ratio:                    2.39:1
Total Storage Efficiency Ratio:                4.29:1

Aggregate level Storage Efficiency
(Aggregate Deduplication and Data Compaction): 1.00:1
Volume Deduplication Efficiency:               5.03:1
Compression Efficiency:                        1.00:1

Snapshot Volume Storage Efficiency:            8.81:1
FlexClone Volume Storage Efficiency:           1.00:1
Number of Efficiency Disabled Volumes:         1