All MIBs › FREENAS-MIB › zfsArcMisses
zfsArcMisses
Module: FREENAS-MIB
OID (symbolic): FREENAS-MIB::zfsArcMisses
OID (numeric): 1.3.6.1.4.1.50536.1.4.5
Node type: OBJECT-TYPE
Type: Gauge32
Access: read-only
What is zfsArcMisses?
The number of read requests that were not found in the ZFS ARC and had to be served from disk instead; a high miss count relative to hits suggests the cache is undersized for the workload.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.50536.1.4.5 snmpwalk -v2c -c public <target> FREENAS-MIB::zfsArcMisses
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.50536.1.4.5.1 snmpget -v2c -c public <target> FREENAS-MIB::zfsArcMisses.1
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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 |
| 1.3.6.1.4.1.50536.1.4.5 | zfsArcMisses | FREENAS-MIB |