All MIBs › DPT-SCSI-MIB › dptScsiHbaMaxReadAheadPercentage
dptScsiHbaMaxReadAheadPercentage
Module: DPT-SCSI-MIB
OID (symbolic): DPT-SCSI-MIB::dptScsiHbaMaxReadAheadPercentage
OID (numeric): 1.3.6.1.4.1.1597.1.2.1.1.21
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: Max percentage of contoller cache RAM devoted to read-ahead pages. This value is not applicable to SmartRAID V and later controllers. For these controllers, this value will be set to 30.
What is dptScsiHbaMaxReadAheadPercentage?
Deprecated object showing the maximum percentage of controller cache RAM (0-80) reserved for read-ahead data; fixed at 30 on SmartRAID V and later controllers, where it no longer applies. Legacy tuning knob for older controller generations.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.1597.1.2.1.1.21 snmpwalk -v2c -c public <target> DPT-SCSI-MIB::dptScsiHbaMaxReadAheadPercentage
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.1597.1.2.1.1.21.1 snmpget -v2c -c public <target> DPT-SCSI-MIB::dptScsiHbaMaxReadAheadPercentage.1
Start monitoring DPT (Adaptec) SCSI host-bus-adapter with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the DPT-SCSI-MIB::dptScsiHbaMaxReadAheadPercentage OID value, configure state conditions and alerts, and monitor any DPT (Adaptec) SCSI host-bus-adapter 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 |
|---|---|---|
| 1.3.6.1.4.1.1597 | dpt | DPT-SCSI-MIB |
| 1.3.6.1.4.1.1597.1 | dptScsi | DPT-SCSI-MIB |
| 1.3.6.1.4.1.1597.1.2 | dptScsiHba | DPT-SCSI-MIB |
| 1.3.6.1.4.1.1597.1.2.1 | dptScsiHbaTable | DPT-SCSI-MIB |
| 1.3.6.1.4.1.1597.1.2.1.1 | dptScsiHbaEntry | DPT-SCSI-MIB |
| 1.3.6.1.4.1.1597.1.2.1.1.21 | dptScsiHbaMaxReadAheadPercentage | DPT-SCSI-MIB |