ISM-STORAGE-SVC-MIB :: hwStorageControllerIsMaster

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsISM-STORAGE-SVC-MIBhwStorageControllerIsMaster

hwStorageControllerIsMaster

Module: ISM-STORAGE-SVC-MIB

OID (symbolic): ISM-STORAGE-SVC-MIB::hwStorageControllerIsMaster

OID (numeric): 1.3.6.1.4.1.34774.4.1.19.8.12.1.8

Node type: OBJECT-TYPE

Type: Unsigned32

Access: read-only

Description: is primary controller

What is hwStorageControllerIsMaster?

This indicates whether this controller is currently acting as the primary (master) controller in a redundant pair. Admins check it to confirm which controller is actively serving I/O versus standing by, especially after a failover event.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.34774.4.1.19.8.12.1.8
snmpwalk -v2c -c public <target> ISM-STORAGE-SVC-MIB::hwStorageControllerIsMaster

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.34774.4.1.19.8.12.1.8.1
snmpget -v2c -c public <target> ISM-STORAGE-SVC-MIB::hwStorageControllerIsMaster.1

Start monitoring Huawei storage array/SAN controller (LUN/volume group service) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ISM-STORAGE-SVC-MIB::hwStorageControllerIsMaster OID value, configure state conditions and alerts, and monitor any Huawei storage array/SAN controller (LUN/volume group service) from a single console.

OID Breakdown

Upper-level ancestors (11 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.34774huaweistorageHUAWEI-STORAGE-NAS-MIB
1.3.6.1.4.1.34774.4hwStorageHUAWEI-STORAGE-NAS-MIB
1.3.6.1.4.1.34774.4.1hwISMHUAWEI-STORAGE-NAS-MIB
1.3.6.1.4.1.34774.4.1.19hsStorageServiceHUAWEISYMANTEC-ISM-STORAGE-SVC-MIB
1.3.6.1.4.1.34774.4.1.19.8hsStoragePhysicalModuleHUAWEISYMANTEC-ISM-STORAGE-SVC-MIB
Numeric OIDNameModule
1.3.6.1.4.1.34774.4.1.19.8.12hwStorageControllerTableISM-STORAGE-SVC-MIB
1.3.6.1.4.1.34774.4.1.19.8.12.1hwStorageControllerEntryISM-STORAGE-SVC-MIB
1.3.6.1.4.1.34774.4.1.19.8.12.1.8hwStorageControllerIsMasterISM-STORAGE-SVC-MIB