SCSI-MIB :: scsiDeviceRole

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsSCSI-MIBscsiDeviceRole

scsiDeviceRole

Module: SCSI-MIB

OID (symbolic): SCSI-MIB::scsiDeviceRole

OID (numeric): 1.3.6.1.2.1.139.2.1.2.1.3

Node type: OBJECT-TYPE

Type: Bits

Access: read-only

Description: This object determines whether this device is acting as a SCSI initiator device, or as a SCSI target device, or as both.

What is scsiDeviceRole?

A bitmask reporting whether this SCSI device is acting as an initiator (issues commands), a target (receives commands), or both at once. Checking this tells an admin, for example, that a dual-role HBA is simultaneously serving as both a SAN initiator and a target for replication traffic.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.2.1.139.2.1.2.1.3
snmpwalk -v2c -c public <target> SCSI-MIB::scsiDeviceRole

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.2.1.139.2.1.2.1.3.1
snmpget -v2c -c public <target> SCSI-MIB::scsiDeviceRole.1

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OID Breakdown

Upper-level ancestors (6 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.2mgmtAXON-MIB
1.3.6.1.2.1mib_2AXON-MIB
Numeric OIDNameModule
1.3.6.1.2.1.139scsiMIBSCSI-MIB
1.3.6.1.2.1.139.2scsiObjectsSCSI-MIB
1.3.6.1.2.1.139.2.1scsiGeneralSCSI-MIB
1.3.6.1.2.1.139.2.1.2scsiDeviceTableSCSI-MIB
1.3.6.1.2.1.139.2.1.2.1scsiDeviceEntrySCSI-MIB
1.3.6.1.2.1.139.2.1.2.1.3scsiDeviceRoleSCSI-MIB