HSM command summary

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The following is an alphabetical list of the HSM client commands and a brief description of each one.
Table 1. HSM command summary
Command Description
dmkilld Valid only on GPFS™ file systems. Stops the master recall daemon and all of its child processes, and interrupts all active recalls.
dsmattr

Sets or displays the recall mode for a migrated file.
dsmautomig Starts parallel migration session for a file system.
dsmdf Displays space usage information for a file system.
dsmdu Displays space usage information for files and directories.
dsmls Lists files in a directory and displays file state.
dsmmigfs
add and update Adds space management to a file system, or updates space management attributes for a file system.
deactivate, reactivate, and remove Deactivates or reactivates space management for a file system, or removes space management from a file system.
enablefailover, and disablefailover Valid only on GPFS file systems.

Manages recovery from partial system failure.

query Displays current space management settings for a file system.
globaldeactivate, globalreactivate Deactivates or reactivates space management for your client node.
rollback Valid only on GPFS file systems.

Transfers the space management of a file system to an HSM client node within the same local IBM® Storage Scale node set.
stop, start, and restart Only valid on IBM Storage Scale AIX® and IBM Storage Scale Linux®

Stops, starts, and restarts daemons.
takeover Valid only on GPFS file systems.

Transfers the space management of a file system to the preferred node if the node is different from the current owner node.
dsmmighelp Displays online help for commands.
dsmmigquery Displays space management information.

There are many space management client and backup-archive client shared options available using the dsmmigquery -o command.
dsmmigrate Moves selected files from your local file system to IBM Storage® Protect storage.
dsmmigundelete Re-creates deleted stub files.
dsmmonitord Starts the space monitor daemon.
dsmq Displays information, including recall IDs, for all files that are currently queued for recall.
dsmrecall Moves selected files from storage to your local file system.
dsmrecalld Starts the recall daemon.
dsmreconcile Synchronizes the client and server.
dsmrm Removes a recall process from the recall queue.
dsmscoutd

Starts, stops, and restarts the scout daemon and provides scan information.
dsmsetpw Changes the IBM Storage Protect password for your client node.
dsmwatchd

Checks the other space management daemons and starts them again when necessary.
Table 2 provides an alphabetical list of the space management client commands, a brief description of each command, and the command page number.
Table 2. HSM command summary
Command and location Description
dmkilld Valid only on GPFS file systems.

Stops the master recall daemon and all of its child processes, and interrupts all active recalls. See dmkilld.
dsmattr Valid only on GPFS file systems.

Sets or displays the recall mode for a migrated file. See dsmattr.
dsmautomig Starts parallel migration sessions for a file system. See dsmautomig.
dsmdf Displays space usage information for a file system. See dsmdf.
dsmdu Displays space usage information for files and directories. See dsmdu.
dsmls Lists files in a directory and displays file state. See dsmls.
dsmmigfs add, update Adds space management to a file system, or updates space management attributes for a file system. See dsmmigfs add and update.
dsmmigfs addmultiserver, querymultiserver, removemultiserver Adds space management to a file system, or updates space management attributes for a file system. See dsmmigfs addmultiserver, querymultiserver, and removemultiserver.
dsmmigfs deactivate, reactivate, remove Deactivates or reactivates space management for a file system, or removes space management from a file system. See dsmmigfs deactivate, reactivate, and remove.
dsmmigfs enablefailover, disablefailover Manages recovery from partial system failure (IBM Storage Scale only). See dsmmigfs enablefailover, and disablefailover.
dsmmigfs query Displays current space management settings for a file system. See dsmmigfs query.
dsmmigfs globaldeactivate, globalreactivate Deactivates or reactivates space management for a space-managed client node. See dsmmigfs globaldeactivate and globalreactivate.
dsmmigfs rollback Valid only on GPFS file systems.

Transfers the HSM management of a file system to the preferred node if the node is different from the current owner node. See dsmmigfs rollback.
dsmmigfs stop, start, restart Starts or starts the HSM daemons. See dsmmigfs stop, start, and restart.
dsmmigfs takeover Transfers the HSM management of a file system to a space management client node within the same local IBM Storage Scale cluster. See dsmmigfs takeover.
dsmmighelp Displays online help for commands. See dsmmighelp.
dsmmigquery Displays space management information.

There are many HSM client and backup-archive client shared options available using the dsmmigquery -o command. See HSM and backup-archive client dsmmigquery command shared options for a list of these shared options. See dsmmigquery.
dsmmigrate Moves selected files from your local file system to IBM Storage Protect storage. See dsmmigrate.
dsmmigundelete Re-creates deleted stub files. See dsmmigundelete.
dsmmonitord Starts the space monitor daemon. See dsmmonitord.
dsmq Displays information, including recall IDs, for all files that are currently queued for recall. See dsmq.
dsmrecall Moves selected files from storage to your local file system. See dsmrecall.
dsmrecalld Starts the recall daemon. See dsmrecalld.
dsmreconcile Synchronizes the client and server. See dsmreconcile.
dsmrm Removes a recall process from the recall queue. See dsmrm.
dsmscoutd Starts, stops and restarts the scout daemon and shows file system information. See dsmscoutd.
dsmsetpw Changes the IBM Storage Protect password for your client node. See dsmsetpw.
dsmwatchd Valid only on GPFS file systems.

The dsmwatchd command starts the watch daemon. The watch daemon checks the status of the recall daemon, the monitor daemon, and the scout daemon. If any of these daemons end or become corrupted, the watch daemon automatically recovers the failed daemon. See dsmwatchd.