Windows Knowledge Base

[DMX]How to check for unmasked devices(devices with no masking in the Symmetrix)?

The following command can be used to show masking information for all devices in the Symmetrix. Devices which show a '-' in all fields are not masked to any HBA. Replace xxx with first device in Symmetrix unit and yyy with the last.  Devices highlighted in red below are unmasked, devices in blue are masked to multiple HBA's.

symmaskdb list assignment -devs xxx:yyy

Symmetrix ID : 000287400118

Device  Identifier        Type   Dir:P

------  ----------------  -----  ----------------

0000    -                 -      -

0001    -                 -      -

0002    10000000c92fa630  FIBRE  FA-14B:0

0003    10000000c92fa630  FIBRE  FA-14B:0

0004    10000000c92fa630  FIBRE  FA-14B:0

0005    -                 -      -

0006    10000000c92fa630  FIBRE  FA-14B:0

0007    10000000c92fa630  FIBRE  FA-14B:0

10000000c92fa39f  FIBRE  FA-13A:1

0008    10000000c92fa630  FIBRE  FA-14B:0

Pleaes refer to "[DMX]How to find unallocated /unassigned storage devices on a Symmetrix"