All MIBs › CPQIDA-MIB › cpqDaLogDrvPerfReadAheadSectors
cpqDaLogDrvPerfReadAheadSectors
Module: CPQIDA-MIB
OID (symbolic): CPQIDA-MIB::cpqDaLogDrvPerfReadAheadSectors
OID (numeric): 1.3.6.1.4.1.232.3.2.8.1.1.11
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: Array Logical Drive Performance Monitor Read Ahead Sectors.
This value shows the total number read ahead sectors pre-fetched for the logical volume for this interval. This value is expressed in sectors per second.
What is cpqDaLogDrvPerfReadAheadSectors?
cpqDaLogDrvPerfReadAheadSectors reports the total number of sectors the controller pre-fetched ahead of actual requests for a logical volume during the interval, expressed in sectors per second. This measures how effectively the controller's read-ahead algorithm is anticipating sequential access patterns on that volume. For example, an admin seeing a high read-ahead rate on a volume used for sequential video streaming would confirm the controller is correctly optimizing for that access pattern.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.232.3.2.8.1.1.11 snmpwalk -v2c -c public <target> CPQIDA-MIB::cpqDaLogDrvPerfReadAheadSectors
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.232.3.2.8.1.1.11.1 snmpget -v2c -c public <target> CPQIDA-MIB::cpqDaLogDrvPerfReadAheadSectors.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 |
|---|---|---|
| 1.3.6.1.4.1.232.3 | cpqDriveArray | CPQIDA-MIB |
| 1.3.6.1.4.1.232.3.2 | cpqDaComponent | CPQIDA-MIB |
| 1.3.6.1.4.1.232.3.2.8 | cpqDaLogDrvPerf | CPQIDA-MIB |
| 1.3.6.1.4.1.232.3.2.8.1 | cpqDaLogDrvPerfTable | CPQIDA-MIB |
| 1.3.6.1.4.1.232.3.2.8.1.1 | cpqDaLogDrvPerfEntry | CPQIDA-MIB |
| 1.3.6.1.4.1.232.3.2.8.1.1.11 | cpqDaLogDrvPerfReadAheadSectors | CPQIDA-MIB |