Input Name	Range	Type	Description
node		string	node to balance initiator ports on

Errno	Description
EINTERNALERROR

Returns path information and statistics for a given disk or all disks. We use the word disk to refer to an array lun, real disk, or Solid State Device

Input Name	Range	Type	Description
disk-name		string optional	The name of the disk to list path information for. If not supplied all paths to all attached targets are returned.
Output Name	Range	Type	Description
disk-path-info		disk-path-info[]	A table of per path statistics, errors and other related data for this disk

Errno	Description
EINTERNALERROR
EDISKNOTFOUND

Lists all known disk/configuration errors associated with an array or shelves acting like array.

Input Name	Range	Type	Description
array-name		string optional	The name of the array to list error information for. (29 chars)
disk-name		string optional	The name of the disk or array lun to list error information for. If not specified, all errors for all disks/array LUNs will be returned.
Output Name	Range	Type	Description
errors		storage-error-info[]	A list of all errors for the requested array/shelf or disks/luns.

Errno	Description
EINTERNALERROR
EINVALIDINPUTERROR
EARRAYNOTFOUND
EDISKNOTFOUND

Gets disk I/O rates for a given fibre channel initiator port or for all initiator ports if no port is specified. The term disk refers to an array LUN, actual disk, or solid state device.

Input Name	Range	Type	Description
node		string optional	Obtain disk I/O rates for initiator ports on the specified node.
port		string optional	Port to show load on, e.g. 0a.
Output Name	Range	Type	Description
load-info		storage-initiator-load-info[]	A table of per disk load related information for the named port.

Returns information and statistics on all known paths to back end storage.

Input Name	Range	Type	Description
node		string optional	Obtain back end storage path statistics for this node.
Output Name	Range	Type	Description
path-info		storage-initiator-path-info[] optional	A table of back end path statistics, errors and other related data.

Errno	Description
EINTERNALERROR

Quiesces an array LUN on a path. A quiesced array LUN will not be sent I/O on the specified path.

Input Name	Range	Type	Description
initiator		string	The initiator port of the path that I/O will be quiesced on.
lun-number		integer	LU number. Range: [0..65535]
node		string	The node name on which the quiesce is issued
target-wwpn		string	The array target port of the path that I/O will be quiesced on. World wide port number has to be specified without colons.

Errno	Description
EINTERNALERROR
EINVALIDPATH
ECANTQUIESCELASTPATH
EDISKNOTFOUND
EINVALIDTARGET
EQUIESCEFAILED
ELUNQUIESCING
EQUIESCENOTSUPPORTED

Resumes I/O to array LUN on a path that was previously quiesced. Resuming I/O to a non-quiesced array LUN is a no-op and not an error.

Input Name	Range	Type	Description
initiator		string	The initiator port of the path that I/O will be resumed to.
lun-number		integer	LU number. Range: [0..65535]
node		string	The node name on which the resume is issued
target-wwpn		string	The array target port of the path that I/O will be resumed to. World wide port number has to be specified without colons.

Errno	Description
EINTERNALERROR
EINVALIDPATH
EDISKNOTFOUND
EINVALIDTARGET
ERESUMEFAILED

Contains per path statistics, errors and other related data.

Name	Range	Type	Description
array-name		string	The name of the array providing the lun.
disk-name		string	The name of the disk this path information is for
disk-port		string optional	Disk port associated with this path. Possible values are "A" or "B". Omitted for non-disk target.
disk-port-name		string optional	Disk port name associated with this path. This has the form <attachment-style>:<disk-port>, where <attachment-style> is either "FC" for FibreChannel, or "SA" for SAS, and <disk-port> is either "A" or "B". Omitted for non-disk target. Possible values: "FC:A" "FC:B" "SA:A" "SA:B"
disk-uid		string	Disk's UID, as supplied by the hardware, used to uniquely identify this disk.
initiator-io-kbps		integer	Rolling average of kilobytes per second read and written over this initiator port. Range: [0..2^64-1]
initiator-iops		integer	Rolling average of I/O operations per second read and written over this initiator port. Range: [0..2^64-1]
initiator-lun-in-use-count		integer	Number of LUNs in the IN-USE state on this initiator. Range: [0..2^64-1]
initiator-port		string	Initiator port name, e.g. 0a.
initiator-port-speed		string	The speed that the initiator port has negotiated with its connected switch, or target port if direct attached.
initiator-side-switch-port		string	The name of the switch connected to the controller's initiator port, or N/A when using direct attach
lun-io-kbps		integer	Rolling average of kilobytes per second read and written to this LUN. Range: [0..2^64-1]
lun-iops		integer	Rolling average of I/O operations per second read and written to this LUN. Range: [0..2^64-1]
lun-number		integer	LU number. Range: [0..65535]
lun-path-use-state		string	ONTAP's use of this path INU - (In Use) This path is currently used for I/O. RDY - (Ready) This path is not being used for I/O currently, but might transition to INU if storge errors or load balancing cause it to transition to INU. ERR - (High Error) The weighted error total on this path is 20% or more of the error threshold. Load balancing will not use it, and the error handling code will only use it as a last resort. QNG - (Quiescing) : The disk is becoming quiesced on this path. QED - (Quiesced) : The disk is quiesced on this path.
node		string	Controller with the initiator port for this path.
path-io-kbps		integer	Rolling average of kilobytes per second read and written to this path. Range: [0..2^64-1]
path-iops		integer	Rolling average of I/O operations per second read and written to this path. Range: [0..2^64-1]
path-link-errors		integer	Number of link errors reported on the path. Range: [0..2^32-1]
path-lun-in-use-count		integer	Number of LUNs in the IN-USE state on this path. Range: [0..2^64-1]
path-quality		integer	The percentage of the error threshold. 0% NO ERROR 1-20% LOW ERROR, available to load balancing and error retry code. 21-99% MEDIUM ERROR, load balancing and error retry code will not switch to this path. 100-? HIGH_ERROR, Excessive errors EMS event will be logged Range: [0..2^32-1]
target-io-kbps		integer	Rolling average of kilobytes per second read and written to this target port. Range: [0..2^64-1]
target-iops		integer	Rolling average of I/O operations per second read and written to this target port. Range: [0..2^64-1]
target-lun-in-use-count		integer	Number of LUNs in the IN-USE state on this target port. Range: [0..2^64-1]
target-port-access-state		string	failover optimization type
target-side-switch-port		string	Name of the switch port connected to the target array, or UNKNOWN if direct attached.
target-wwpn		string	World Wide Port Name of target port providing the disk.
tpgn		integer	The Target Port Group Number of the array's target port. Range: [0..2^64-1]

Contains error messages associated with back end array/shelf/LUNs.

Name	Range	Type	Description
array-name		string	Name of the array/shelf with the configuration error.
disk-name		string	The name of the disk or array lun this error information is for.
disk-uid		string	Disk's UID, as supplied by the hardware, used to uniquely identify this disk.
error-id		integer	A unique ID for each error returned. ID is unique on a per API call basis only. Range: [0..2^32-1]
error-text		string	A description of the error being reported.
error-type		integer	Enum describing type of error. Range: [0..2^32-1] MLM_ET_DEVICE_ONE_PATH - 1. Redundancy error, less than two paths to a disk. MLM_ET_DEVICE_ONE_DOMAIN - 2. Redundancy error, device is only accessible via a single fault domain, all paths go into the same target port group. MLM_ET_DEVICE_CONTROL - 3. Device is a control LUN. MLM_ET_DEVICE_TOO_BIG - 4. LUN too large, A LUN has been detected that is larger than the maximum size supported. MLM_ET_DEVICE_TOO_SMALL - 5. LUN too small, A LUN has been detected that is smaller than the minimum size supported. MLM_ET_DEVICE_INVALID_BS - 6. Invalid Block Size, A LUN has been detected that has an unsupported block size. MLM_ET_TARGET_ASYM_MAP - 7. A target port is accessable via multiple HBAs but the device to LUN id mappings aren't the same. MLM_ET_DEVICE_ASYM_MAP - 8. A device is presented at different LUN ids on different ports.
lun-serial-number		string	The serial number of the lun the error occurs on, blank if the error is not lun related.
node		string	The nodename reporting the disk or array lun with the error.

Contains per port per disk load information.

Name	Range	Type	Description
initiator-port		string	Initiator port name, e.g. 0a. If port is not specified, data for all ports is returned.
io-count		integer	Megabytes of data sent to this disk over this port. Range: [0..2^32-1]
lun-number		integer	Logical Unit Number. Range: [0..65535]
nodename		string	IP address of the node serving the port in dotted-decimal format (for example, "192.168.11.12").
percent-io		string	Percentage of all I/O on this port sent to this disk. Range: [0..100]
serial-number		string	Disk/LUN serial number. Maximum length of 129 characters.
switch-name		string	The name of the switch connected to the controller's initiator port, or N/A when using direct attach.
target-side-switch-port		string	Name of the switch port connected to the target array, or UNKNOWN if direct attached.
target-wwpn		string	World Wide Port Name of array's target port.

Contains per path statistics, errors and other related data.

Name	Range	Type	Description
array-name		string	The name of the array providing this path is connected to.
initiator-io-kbps		integer	Rolling average of kilobytes per second read and written over this initiator port Range: [0..2^64-1]
initiator-iops		integer	Rolling average of I/O operations per second over this initiator port Range: [0..2^64-1]
initiator-lun-in-use-count		integer	Number of LUNs in the IN-USE state on this initiator. Range: [0..2^64-1]
initiator-port		string	Initiator port name, e.g. 0a.
initiator-port-speed		string	The speed that the initiator port has negotiated with its connected switch port, or target port if direct attached.
initiator-side-switch-port		string	The name of the switch connected to the controller's initiator port, or N/A when using direct attach.
path-io-kbps		integer	Rolling average of kilobytes per second read and written to this path. Range: [0..2^64-1]
path-iops		integer	Rolling average of I/O operations per second read and written to this path. Range: [0..2^64-1]
path-link-errors		integer	Number link errors reported on the path. Range: [0..2^32-1]
path-lun-in-use-count		integer	Number of disks in the IN-USE state on this path. Range: [0..2^64-1]
path-quality		integer	The percentage of the error threshold. 0% NO ERROR 1-20% LOW ERROR, available to load balancing and error retry code. 21-99% MEDIUM ERROR, load balancing and error retry code will not switch to this path. 100-? HIGH_ERROR, Excessive errors EMS event will be logged Range: [0..2^32-1]
target-io-kbps		integer	Rolling average of kilobytes per second read and written to this target port. Range: [0..2^64-1]
target-iops		integer	Rolling average of I/O operations per second read and written to this target port. Range: [0..2^64-1]
target-lun-in-use-count		integer	Number of disks in the IN-USE state on this target port. Range: [0..2^64-1]
target-side-switch-port		string	Name of the switch port connected to the target array, or UNKNOWN if direct attached.
target-wwpn		string	World Wide Port Name of target port providing the disk.
tpgn		integer	The Target Port Group Number of the array's target port. Range: [0..2^64-1]