All MIBs › CPQAPPG80-MIB › cpqSMALogicalDiskReadAheadCache
cpqSMALogicalDiskReadAheadCache
Module: CPQAPPG80-MIB
OID (symbolic): CPQAPPG80-MIB::cpqSMALogicalDiskReadAheadCache
OID (numeric): 1.3.6.1.4.1.232.151.100.4.1.1.8
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: Logical Drive ReadAhead Cache.
The state of the readahead cache for the associated logical drives.
What is cpqSMALogicalDiskReadAheadCache?
This object reports whether read-ahead caching is enable(1), disable(2), or unknown(3) for this logical disk. Read-ahead caching proactively fetches data the controller predicts will be needed next, which benefits sequential-access workloads like backups or large file transfers. An admin tuning a logical disk dedicated to backup jobs would want this enabled to speed up large sequential reads.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.232.151.100.4.1.1.8 snmpwalk -v2c -c public <target> CPQAPPG80-MIB::cpqSMALogicalDiskReadAheadCache
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.232.151.100.4.1.1.8.1 snmpget -v2c -c public <target> CPQAPPG80-MIB::cpqSMALogicalDiskReadAheadCache.1
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OID Breakdown
Upper-level ancestors (7 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 |
| 1.3.6.1.4.1.232 | compaq | COMPAQ-ID-REC-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.232.151 | cpqSanAppliance | CPQAPPG80-MIB |
| 1.3.6.1.4.1.232.151.100 | cpqsmav1 | CPQAPPG80-MIB |
| 1.3.6.1.4.1.232.151.100.4 | cpqSMALogicalDisk | CPQAPPG80-MIB |
| 1.3.6.1.4.1.232.151.100.4.1 | cpqSMALogicalDiskTable | CPQAPPG80-MIB |
| 1.3.6.1.4.1.232.151.100.4.1.1 | cpqSMALogicalDiskEntry | CPQAPPG80-MIB |
| 1.3.6.1.4.1.232.151.100.4.1.1.8 | cpqSMALogicalDiskReadAheadCache | CPQAPPG80-MIB |