SIEMENS-MULTIPATH-MIB

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Category: RAID and Storage Management, Siemens Enterprise

Description: Manages Siemens multipath I/O configuration, path failover policies, and active path status.

Start monitoring vendor-neutral, standards-based MIB, any SNMPv3-capable network device (SNMP engine identity/boot/clock status) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

What Is SIEMENS-MULTIPATH-MIB?

SIEMENS-MULTIPATH-MIB manages multipath I/O for Siemens storage/server systems, controlling how a host maintains multiple redundant paths to storage devices and handles path failover and load balancing. It belongs to the storage/high-availability category and exposes agent identity/version data, path-group configuration, and load-balancing status. Its monitoring focus is software/hardware resiliency status: the current state of a multipath group (sieMPCurrentState), whether load balancing across paths is functioning (sieMPGroupLoadBalancingStatus), and agent version/build information useful for tracking which multipath software revision is deployed. It sits under Siemens's broader SNI (sni, sniProductMibs, sniExtensions) enterprise MIB tree, showing it depends on that parent registration hierarchy. It is deployed on Siemens servers or storage-attached hosts using redundant SAN/storage paths for high availability. Engineers can download the SIEMENS-MULTIPATH-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in SIEMENS-MULTIPATH-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Siemens servers/storage hosts using multipath I/O (SAN-attached systems)

Monitoring Examples

An administrator would poll sieMPGroupTable entries (keyed by sieMPGroupID) to check sieMPGroupLoadBalancingStatus and sieMPCurrentState, detecting when a storage path group has lost redundancy because one path in the group failed over. Checking sieMPAgentVersion and sieMPAgentBuild across a fleet of hosts confirms consistent multipath software versions after a patch rollout. An unexpected change in sieMPCurrentState combined with a degraded load-balancing status would indicate a SAN path outage requiring investigation of cabling, HBA, or switch fabric health.

What Can Be Monitored

multipath agent version and build
current multipath group state
load balancing status per group
path group configuration
last configuration change time

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

Counter
Gauge
TimeTicks
enterprises

From RFC1213-MIB

DisplayString
mib-2

OIDs

OID symbolic	OID numeric	Type	Access	Description
sni	1.3.6.1.4.1.231
sniProductMibs	1.3.6.1.4.1.231.2
sniExtensions	1.3.6.1.4.1.231.2.10
sniServerMgmt	1.3.6.1.4.1.231.2.10.2
NTF sieMPError	1.3.6.1.4.1.231.2.10.2.0.1200			Only one port of the MultiPath group was alive and this one failed. The MultiPath group is not operational anymore.
NTF sieMPRetry	1.3.6.1.4.1.231.2.10.2.0.1201			One active port of a MultiPath group has failed. A retry on another path has been started.
NTF sieMPActivePortChanged	1.3.6.1.4.1.231.2.10.2.0.1202			Trap occurs after the driver has activated a port as requested by the configuration utility.
NTF sieMPReconfigured	1.3.6.1.4.1.231.2.10.2.0.1203			Trap occurs after the driver has added a port to a MultiPath group (if a matching port was found) or removed a port from a MultiPath group. The action was requested by the configuration utility.
NTF sieMPStatusChanged	1.3.6.1.4.1.231.2.10.2.0.1204			Trap occurs after the driver has changed the behavior of a MultiPath group. Autorecovery was turned or off, loadbalancing was turned on or off or one port was enabled or disabled. The action was requested by the configuration utility.
NTF sieMPAutoRecovered	1.3.6.1.4.1.231.2.10.2.0.1205			Trap occurs when the driver has detected that a port which was in status error is accessible again.
NTF sieMPErrorCleared	1.3.6.1.4.1.231.2.10.2.0.1206			Trap occurs after the driver has cleared the error status for a port from a MultiPath group as requested by the configuration utility.
sniCommon	1.3.6.1.4.1.231.2.10.2.2
sieMultiPath	1.3.6.1.4.1.231.2.10.2.2.7
sieMPAgentInfo	1.3.6.1.4.1.231.2.10.2.2.7.1
STR sieMPAgentId	1.3.6.1.4.1.231.2.10.2.2.7.1.1	DisplayString	read-only	MultiPath SNMP agent ID string
STR sieMPAgentCompany	1.3.6.1.4.1.231.2.10.2.2.7.1.2	DisplayString	read-only	MultiPath SNMP agent company string
STR sieMPAgentVersion	1.3.6.1.4.1.231.2.10.2.2.7.1.3	DisplayString	read-only	MultiPath SNMP agent version string
STR sieMPAgentBuild	1.3.6.1.4.1.231.2.10.2.2.7.1.4	DisplayString	read-only	MultiPath SNMP agent build date and time string
sieMPState	1.3.6.1.4.1.231.2.10.2.2.7.2
INT sieMPLastDate	1.3.6.1.4.1.231.2.10.2.2.7.2.1	INTEGER	read-only	Date of last recent reconfiguration in time_t (seconds since 1/1/1970 00:00:00)
INT sieMPCurrentState	1.3.6.1.4.1.231.2.10.2.2.7.2.2	INTEGER	read-only	This reflects the overall state of the driver, agent and the underlying ports. Possible values are: OK everything is fine DEGRADED there was an event from the driver marking a change of MultiPath configuration or port status ERROR software exception (software bug) FAILED communication with driver fails (bug, driver not installed)
sieMPContainer	1.3.6.1.4.1.231.2.10.2.2.7.3
sieMPGroupTable	1.3.6.1.4.1.231.2.10.2.2.7.3.1		not-accessible	Table of available MultiPath groups
sieMPGroup	1.3.6.1.4.1.231.2.10.2.2.7.3.1.1		not-accessible	Entry in table of MultiPath groups
INT sieMPGroupID	1.3.6.1.4.1.231.2.10.2.2.7.3.1.1.1	INTEGER	read-only	A unique value for each group, starts at 0 and remains unchanged from one re-initialization of the agent to the next
INT sieMPGroupCommand	1.3.6.1.4.1.231.2.10.2.2.7.3.1.1.2	INTEGER	read-write	These are the possible commands a frontend can send to a MultiPath group. ENABLE-LOAD-BALANCING I/Os can use all available ports of a MultiPath group DISABLE-LOAD-BALANCING only one port of a MultiPath group can be used for I/Os ENABLE-AUTORECOVER a automatic failback (a formerly failed port was replaced and can be used again) is possible DISABLE-AUTORECOVER don't do automatic failback RECONFIGURE search all ports the can be integrated into a MultiPath group and build this group A GET always returns 0.
INT sieMPGroupLoadBalancingStatus	1.3.6.1.4.1.231.2.10.2.2.7.3.1.1.3	INTEGER	read-only	Show wether load balancing is enabled or disabled
INT sieMPGroupAutorecoverStatus	1.3.6.1.4.1.231.2.10.2.2.7.3.1.1.4	INTEGER	read-only	Show wether autorecover is enabled or disabled
sieMPPortTable	1.3.6.1.4.1.231.2.10.2.2.7.3.2		not-accessible	Table of available ports
sieMPPort	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1		not-accessible	Entry in table of ports
INT sieMPPortID	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.1	INTEGER	read-only	A unique value for each port, starts at 0 and remains unchanged from one re-initialization of the agent to the next
INT sieMPParentGroup	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.2	INTEGER	read-only	sieMPGroupID of the group where port is member
INT sieMPPortStatus	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.3	INTEGER	read-only	These are the possible states a port can be in UNKNOWN cannot get status information for this port UNUSED this port cannot be used for MultiPath (user defined) DISABLED this port is turned off - no I/O is possible PASSTHROUGH every I/O for this port is sent through the driver without being looked at ACTIVE this port can accept I/Os. When load balancing is off only one port of a MultiPath group can be active STANDBY this port waits until an active port fails and takes over all I/Os then ERROR this port failed due to an error
INT sieMPPortCommand	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.4	INTEGER	read-write	These are the possible commands a frontend can send to a port. ENABLE when a port was disabled by user request - enable it DISABLE disable a port CLEAR-ERROR clear the error flag of this port ACTIVE when load balancing is off this port will handle all I/Os. All other ports of this MultiPath group will be in status STANDBY REMOVE-PORT take a port out of a MultiPath group. It will get its own group A GET always returns 0.
INT sieMPPortPciSlot	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.5	INTEGER	read-only	Physical PCI slot of port
STR sieMPPortHAType	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.6	DisplayString	read-only	Vendor, name, type of hostadaptor
INT sieMPPortTargetID	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.7	INTEGER	read-only	SCSI Target ID of port
INT sieMPPortLastErrorNumber	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.8	INTEGER	read-only	Last error number for port
INT sieMPPortLastErrorTarget	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.9	INTEGER	read-only	Last target number where error occured for port
INT sieMPPortLastErrorLun	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.10	INTEGER	read-only	Last lun number where error occured for port
INT sieMPPortLastErrorPath	1.3.6.1.4.1.231.2.10.2.2.7.3.2.1.11	INTEGER	read-only	Last path where error occured for port
sieMPLunTable	1.3.6.1.4.1.231.2.10.2.2.7.3.3		not-accessible	Table of available luns
sieMPLun	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1		not-accessible	Entry in table of luns
INT sieMPLunID	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1.1	INTEGER	read-only	A unique value for each lun, starts at 0 and remains unchanged from one re-initialization of the agent to the next
INT sieMPLunParentPort	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1.2	INTEGER	read-only	sieMPPortID of the group where lun is member
INT sieMPLunTargetNo	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1.3	INTEGER	read-only	SCSI Target ID of lun
INT sieMPLunLunNo	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1.4	INTEGER	read-only	SCSI LUN of lun
STR sieMPLunInquiry	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1.5	DisplayString	read-only	Inquiry string containing serial number, etc. for lun
STR sieMPOSDeviceName	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1.6	DisplayString	read-only	The operating system's name for this device (e.g. Windows NT: disk0).
INT sieMPLunType	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1.7	INTEGER	read-only	SCSI LUN type
INT sieMPLunClaimed	1.3.6.1.4.1.231.2.10.2.2.7.3.3.1.8	INTEGER	read-only	SCSI LUN claimed status
sieMPTrapInfo	1.3.6.1.4.1.231.2.10.2.2.7.10
STR sieMPTrapServerName	1.3.6.1.4.1.231.2.10.2.2.7.10.1	DisplayString	not-accessible	Name of the server where the trap occured
INT sieMPTrapTime	1.3.6.1.4.1.231.2.10.2.2.7.10.2	INTEGER	not-accessible	Time the trap occured (in seconds since 1/1/1970 00:00:00)
INT sieMPTrapGroupID	1.3.6.1.4.1.231.2.10.2.2.7.10.3	INTEGER	not-accessible	The MultiPath Group ID where the change occured
INT sieMPTrapPortID	1.3.6.1.4.1.231.2.10.2.2.7.10.4	INTEGER	not-accessible	The MultiPath Port ID where the change occured
INT sieMPTrapTargetID	1.3.6.1.4.1.231.2.10.2.2.7.10.5	INTEGER	not-accessible	The MultiPath Target ID where the change occured
INT sieMPTrapLunID	1.3.6.1.4.1.231.2.10.2.2.7.10.6	INTEGER	not-accessible	The MultiPath Lun ID where the change occured

RFC description

Vendor-private MIB for Siemens industrial networking devices; manages multipath routing and redundancy features.

Start monitoring Siemens servers/storage hosts using multipath I/O, SAN-attached systems (path-group/load-balancing status) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download SIEMENS-MULTIPATH-MIB

What Is SIEMENS-MULTIPATH-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description