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EMC PowerPath Commands
EMC PowerPath Commands and descriptions
97
Computer Science
Professional
11/25/2012

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Term
powermt
Definition
Manage a PowerPath® environment.
Term
powercf
Definition
Configure PowerPath devices. (Solaris only.)
Term
emcpreg
Definition
Manage PowerPath license registration.
Term
emcpminor
Definition
Check for free minor numbers.
Term
emcpupgrade
Definition
Convert PowerPath configuration files.
Term
emcpadm
Definition
List available PowerPath pseudo device nameslist used PowerPath pseudo device names or rename PowerPath pseudo device.(PowerPath 4.3.3 for Linux only).
Term
emcphostid
Definition
Set or reset the hostID. (HP-UX 11i v2.0 and higher and Linux only.)
Term
powermt check
Definition
Check for and optionally remove dead paths.
Term
powermt check_registration
Definition
Check the state of the PowerPath license.
Term
powermt config
Definition
Configure logical devices as PowerPath devices.
Term
powermt display/powermt watch
Definition
Display the state of HBAs configured forPowerPath. powermt watch is deprecated.
Term
powermt display options
Definition
Display options settings for storage system classes.
Term
powermt display unmanaged
Definition
Display logical devices that have been excluded from PowerPath management.(Third-party storage systems only.)
Term
powermt load
Definition
Load a PowerPath configuration.powermt manage,Place a specified logical device or specified storage system class under PowerPath management. (Third-party storage systems only.)
Term
powermt release
Definition
Release pseudo device names for later reuse.(Linux only.)
Term
powermt remove
Definition
Remove a path from the PowerPath configuration.
Term
powermt restore
Definition
Test and restore paths.
Term
powermt save
Definition
Save a custom PowerPath configuration.
Term
powermt set mode
Definition
Set paths to active or standby mode.
Term
powermt set periodic_autorestore
Definition
Enable or disable periodic autorestore.
Term
powermt set policy
Definition
Change the load balancing and failover policy.
Term
powermt set priority
Definition
Set the I/O priority.
Term
powermt set transparent
Definition
Enable or disable load balancing and failover.This command is deprecated.
Term
powermt set write_throttle
Definition
Enable or disable I/O write throttling to a logical device. (Not supported on Linux.)
Term
powermt set write_throttle_queue
Definition
Set the write throttling queue depth for a storage system port. (Not supported on Linux.)
Term
powermt unmanage
Definition
Exclude a specified logical device or storage system class from PowerPath management.(Third-party storage systems only.)
Term
powermt update lun_names
Definition
Cause PowerPath to retrieve the latest user-specified LUN names for devices on a CLARiiON® array. (CLARiiON storage systems only.)
Term
powermt version
Definition
Return the version of PowerPath that is installed on the host.
Term
powercf
Definition
Configure PowerPath devices.
Term
emcpreg
Definition
Manage PowerPath license registration.
Term
emcpminor check
Definition
Check whether a minor number or set of minor numbers is free.
Term
emcpminor get
Definition
Return the first available minor number or set of minor numbers.
Term
emcpminor version
Definition
Return the version numbers of the emcpminor tool and the PowerPath base driver.
Term
emcpupgrade check
Definition
Compare the saved PowerPath 2.x or 3.x configuration against the system configuration.
Term
emcpupgrade convert
Definition
Convert the saved PowerPath 2.x or 3.x configuration files to PowerPath 4.x files.
Term
emcpadm getfreepseudos
Definition
List available PowerPath pseudo device names.
Term
emcpadm getusedpseudos
Definition
List pseudo device name major number and minor number for each used device.
Term
emcpadm renamepseudo
Definition
Change the name of a PowerPath pseudo device.
Term
emcpadm help
Definition
Provide help for emcpadm command.
Term
emcpadm version
Definition
Identify version of emcpadm command and PowerPath base driver.
Term
emcphostid set
Definition
Set or reset the hostID.
Term
emcphostid get
Definition
Print the current hostID.
Term
emcphostid help
Definition
Provide help for the emcphostid command.
Term
powervadm
Definition
Manage the PPVM environment on a host.
Term
powervg
Definition
Manage volume groups and storage elements.
Term
powervmeta
Definition
Back up and restore volume group metadata.
Term
powervol
Definition
Manage volumes and images.
Term
powervperf
Definition
Display performance statistics for volumes.
Term
powervadm activeCmds
Definition
List PPVM commands executing on the host.
Term
powervadm auditLogView
Definition
Create a human-readable version of the audit log.
Term
powervg add
Definition
Add one or more storage elements to a volume group.
Term
powervg create
Definition
Create a new volume group.
Term
powervg deport
Definition
Make a volume group inaccessible on a host.
Term
powervg destroy
Definition
Destroy a volume group.
Term
powervg import
Definition
Make a volume group accessible on a host.
Term
powervg list
Definition
List the volumes or storage elements in a volume group.
Term
powervg remove
Definition
Remove one or more storage elements from a volume group.
Term
powervg repair
Definition
Repair the metadata and device paths for a volume group.
Term
powervg show
Definition
Display the attributes of a volume group or of the storage elements within the volume group.
Term
powervadm getConfig
Definition
View the current value of PPVM configuration variables.
Term
powervadm getLogLevel
Definition
View the current log level.
Term
powervadm info
Definition
Display the PPVM version, log location, device location, and log level on the host.
Term
powervadm list
Definition
List the PPVM volume groups, volumes, and storage elements on the host.
Term
powervadm rediscover
Definition
Determine whether any devices have come online or gone offline, or changed host ownership.
Term
powervadm setConfig
Definition
Set the value of a PPVM configuration variable.
Term
powervadm setLogLevel
Definition
Set the level of messages written to the system log.
Term
powervadm show
Definition
Display information about PPVM volume groups;storage elements;volumes and images on the host.
Term
powervmeta backup
Definition
Copy volume group metadata to a file.
Term
powervmeta restore
Definition
Display or restore volume group metadata.
Term
powervol add
Definition
Add one or more images to a volume.
Term
powervol create
Definition
Create a new volume.
Term
powervol destroy
Definition
Destroy a volume.
Term
powervol disable
Definition
Stop copying volume data to an image.
Term
powervol enable
Definition
Resume copying volume data to an image.
Term
powervol getMinor
Definition
Get the minor number for a volume.
Term
powervol prefer
Definition
Set the preferred read image for the volume.
Term
powervol remove
Definition
Remove an image from a volume.
Term
powervol rename
Definition
Assign a new name to an existing volume.
Term
powervol resize
Definition
Expand the size of a volume.
Term
powervol restore
Definition
Restore a volume by setting an image as the preferred image.
Term
powervol resume
Definition
Restart I/O to a volume.
Term
powervol setMinor
Definition
Set the minor number for a volume. (Not supported on Linux.)
Term
powervol show
Definition
Display the attributes of a volume.
Term
powervol suspend
Definition
Stop I/O to a volume.
Term
powervperf get
Definition
Report I/O performance statistics for a specific volume or all volumes in a volume group.
Term
powervperf reset
Definition
Clear the accumulated I/O performance statistics for a specific volume or all volumes in a volume group.
Term
powervperf start
Definition
Start collecting I/O performance statistics for a specific volume or all volumes in a volume group.
Term
powervperf stop
Definition
Stop collecting I/O performance statistics for a specific volume or all volumes in a volume group.
Term
powerdm abort
Definition
Terminate a mobility operation and return the volume to its original configuration.
Term
powerdm commit
Definition
Complete the mobility operation by making the target storage elements the permanent storage for the volume.
Term
powerdm getHandle
Definition
Return the handle for a mobility operation.
Term
powerdm help
Definition
Provide help for volume mobility commands.
Term
powerdm query
Definition
Return the status of a mobility operation.
Term
powerdm selectSource
Definition
Direct all read operations to the source storage elements.
Term
powerdm selectTarget
Definition
Direct all read operations to the target storage elements.
Term
powerdm show
Definition
List the source and target storage elements used in a mobility operation.
Term
powerdm sync
Definition
Synchronizes the target storage elements with the source storage elements.
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