PowerMax: How to list the Storage Groups which are not a part of any Masking View

Summary: Unisphere for PowerMax How to list the Storage Groups which are not a part of any Masking View?

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Instructions

Using Solutions Enabler (symcli):

 

In the below output, check the flag "(M)asking View      X = Contained in Mask View(s)" flag,  . = N/A , here '.' indicates storage group is not in any masking view 

symsg -sid xxx list

C:\Program Files\EMC\SYMCLI\bin>symsg -sid xxx list
         S T O R A G E  G R O U P S
Symmetrix ID:        000197600xxx
                        Flags  Number  Number Child
Storage Group Name     EFM SLC Devices GKs    SGs
---------------------------------------------------
000000Bradysgtest11    FXX ..X       7      1     0
0000_A1_sg_cg12        F.X P..       4      0     5
0_dtms_sg1             FXX C.X       3      0     0
0_dtms_sg10            F.. P..       4      0     2
0_dtms_sg10_1          FX. C.X       3      0     0
0_dtms_sg11            FX. C.X       6      0     0
0_dtms_sg12            FX. C.X       1      0     0
0_dtms_sg2             FX. C.X       4      0     0
0_dtms_sg3             FX. ..X       1      0     0
0_dtms_sg4             FX. ..X       3      0     0
0_dtms_sg5             FX. ..X       4      0     0
0_dtms_sg6             FX. ..X       3      0     0
0_dtms_sg7             FX. ..X       4      0     0

Legend:
  Flags:
    Device (E)mulation  A = AS400, F = FBA, 8 = CKD3380,
                        9 = CKD3390, M = Mixed, . = N/A
    (F)ast              X = Fast Managed, . = N/A
    (M)asking View      X = Contained in Mask View(s),   . = N/A
    Cascade (S)tatus    P = Parent SG, C = Child  SG,    . = N/A
    Host IO (L)imit     D = Defined,  S = Shared, B = Both, . = N/A
    (C)ompression       X = Compression Enabled, . = N/A


OR

 

Look for storage groups with a "Masking View Count" of 0. This indicates that the storage group is not active in any masking views.

symaccess -sid xx list -type stor -detail -v

C:\Program Files\EMC\SYMCLI\bin>symaccess -sid xxx list -type stor -detail -v
Symmetrix ID          : 000197600xxx
Storage Group Name    : Failover
Device Count          : 1
Storage Group Count   : 0
Masking View Count    : 0
Last update time      : 03:42:37 AM on Tue Jun 24,2025
Group last update time: 03:42:37 AM on Tue Jun 24,2025
Masking View Names    : None

Storage Group Name    : Failover_test
Device Count          : 2
Storage Group Count   : 0
Masking View Count    : 0
Last update time      : 05:56:56 AM on Fri Nov 11,2022
Group last update time: 05:56:56 AM on Fri Nov 11,2022
Masking View Names    : None



Using Unisphere for PowerMax UI:

  • Login to Unisphere for PowerMax and select the select the array.
  • Go to Storage > Storage Groups to open the Storage Groups list view.
  • Filter the Masking View as 0

This will list the storage not in Masking View.

Filter the Masking View as 0 in UI

NOTE: If the Masking View is not listed under the Storage Groups list view, you can add it by clicking the three lines near the filter option.

Affected Products

Unisphere for PowerMax
Article Properties
Article Number: 000366854
Article Type: How To
Last Modified: 16 Sept 2025
Version:  1
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