All MIBs › ISM-PERFORMANCE-MIB › hwPerfLunHitRate
hwPerfLunHitRate
Module: ISM-PERFORMANCE-MIB
OID (symbolic): ISM-PERFORMANCE-MIB::hwPerfLunHitRate
OID (numeric): 1.3.6.1.4.1.34774.4.1.21.4.1.2
Node type: OBJECT-TYPE
Type: Unsigned32
Access: read-only
Description:
What is hwPerfLunHitRate?
This OID reports the cache hit rate for a specific LUN. An admin monitors this to see how effectively the array's cache is absorbing I/O for that LUN; a low hit rate can point to a LUN whose working set doesn't fit in cache.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.34774.4.1.21.4.1.2 snmpwalk -v2c -c public <target> ISM-PERFORMANCE-MIB::hwPerfLunHitRate
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.34774.4.1.21.4.1.2.1 snmpget -v2c -c public <target> ISM-PERFORMANCE-MIB::hwPerfLunHitRate.1
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OID Breakdown
Upper-level ancestors (9 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 |
| 1.3.6.1.4.1.34774 | huaweistorage | HUAWEI-STORAGE-NAS-MIB |
| 1.3.6.1.4.1.34774.4 | hwStorage | HUAWEI-STORAGE-NAS-MIB |
| 1.3.6.1.4.1.34774.4.1 | hwISM | HUAWEI-STORAGE-NAS-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.34774.4.1.21 | hwPerformance | ISM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.34774.4.1.21.4 | hwPerfLunTable | ISM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.34774.4.1.21.4.1 | hwPerfLunEntry | ISM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.34774.4.1.21.4.1.2 | hwPerfLunHitRate | ISM-PERFORMANCE-MIB |