lsscm - List storage-class memory increments

Red Hat Enterprise Linux 9.2 LPAR mode

Use the lsscm command to list status and other information about available storage-class memory increments.

lsscm syntax

Read syntax diagramSkip visual syntax diagramlsscm -h -v
Where:
-h or --help
displays help information for the command. To view the man page, enter man lsscm.
-v or --version
displays version information for the command.
In the output table, the columns have the following meaning:
SCM Increment
Starting address of the storage-class memory increment.
Size
Size of the block device that represents the storage-class memory increment.
Name
Name of the block device that represents the storage-class memory increment.
Rank
A quality ranking in the form of a number in the range 1 - 15 where a lower number means better ranking.
D_state
Data state of the storage-class memory increment. A number that indicates whether there is data on the increment. The data state can be:
1
The increment contains zeros only.
2
Data was written to the increment.
3
No data was written to the increment since the increment was attached.
O_state
Operation state of the storage-class memory increment.
Pers
Persistence attribute.
ResID
Resource identifier.

Examples

  • This command lists all increments:
        # lsscm
     SCM Increment    Size    Name  Rank D_state O_state Pers ResID
    --------------------------------------------------------------
    0000000000000000 16384MB scma     1       2       1    2     1
    0000000400000000 16384MB scmb     1       2       1    2     1