All MIBs › FREENAS-MIB › zfsArcMissPercent
zfsArcMissPercent
Module: FREENAS-MIB
OID (symbolic): FREENAS-MIB::zfsArcMissPercent
OID (numeric): 1.3.6.1.4.1.50536.1.4.8
Node type: OBJECT-TYPE
Type: DisplayString
Access: read-only
Description: Arc Miss Percentage. (Note: Floating precision sent across SNMP as a String
What is zfsArcMissPercent?
The ARC miss rate as a percentage, sent as a string because SNMP has no native floating-point type; a consistently high value suggests the ARC cache is too small for the current workload.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.50536.1.4.8 snmpwalk -v2c -c public <target> FREENAS-MIB::zfsArcMissPercent
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.50536.1.4.8.1 snmpget -v2c -c public <target> FREENAS-MIB::zfsArcMissPercent.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::zfsArcMissPercent 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 OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.50536 | freeNas | FREENAS-MIB |
| 1.3.6.1.4.1.50536.1 | zfs | FREENAS-MIB |
| 1.3.6.1.4.1.50536.1.4 | arc | FREENAS-MIB |
| 1.3.6.1.4.1.50536.1.4.8 | zfsArcMissPercent | FREENAS-MIB |