Commands for displaying IBM Storage Scale information

The following commands yield IBM Storage Scale information for troubleshooting. The commands are organized by the type of information that they yield.

Cluster-specific information

Enter these commands on one node in the cluster.

• To display the configuration information for an IBM Storage Scale cluster, enter the following command:

  /usr/lpp/mmfs/bin/mmlscluster

• To display the available file space on a GPFS™ file system, enter the following command:

  /usr/lpp/mmfs/bin/mmdf device

• To display all the GPFS policy information for a specified file system, enter the following command:

  /usr/lpp/mmfs/bin/mmlspolicy device –L

• To display the state of the GPFS daemon on all nodes in the cluster, enter the following command:

  usr/lpp/mmfs/bin/mmgetstate –a

• To display the cluster configuration data for an IBM Storage Scale cluster, enter the following command:

  /usr/lpp/mmfs/bin/mmlsconfig

• To create a memory dump of the GPFS DMAPI information, enter the following command:

  /usr/lpp/mmfs/bin/mmfsadm dump dmapi

Node-specific information

To display the IBM Storage Scale node configuration, enter the following command on all nodes in the cluster:

/usr/bin/cat /var/mmfs/gen/mmsdrfs

For information about IBM Storage Scale commands and IBM Storage Scale requirements for the IBM Storage® Protect for Space Management client, go to the IBM Storage Scale product information and see Protecting data in a file system using the mmbackup command.