FREENAS-MIB :: zfsL2ArcSize

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › FREENAS-MIB › zfsL2ArcSize

zfsL2ArcSize

Module: FREENAS-MIB

OID (symbolic): FREENAS-MIB::zfsL2ArcSize

OID (numeric): 1.3.6.1.4.1.50536.1.5.5

Node type: OBJECT-TYPE

Type: Gauge32

Access: read-only

What is zfsL2ArcSize?

The current amount of space used on the L2ARC secondary cache device, letting an admin see how full that cache tier is.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.50536.1.5.5
snmpwalk -v2c -c public <target> FREENAS-MIB::zfsL2ArcSize

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.50536.1.5.5.1
snmpget -v2c -c public <target> FREENAS-MIB::zfsL2ArcSize.1

Start monitoring FreeNAS/TrueNAS ZFS storage appliance/server with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the FREENAS-MIB::zfsL2ArcSize OID value, configure state conditions and alerts, and monitor any FreeNAS/TrueNAS ZFS storage appliance/server from a single console.

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
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
Numeric OIDNameModule
1.3.6.1.4.1.50536freeNasFREENAS-MIB
1.3.6.1.4.1.50536.1zfsFREENAS-MIB
1.3.6.1.4.1.50536.1.5l2arcFREENAS-MIB
1.3.6.1.4.1.50536.1.5.5zfsL2ArcSizeFREENAS-MIB