All MIBs › MSSQLSERVER-MIB › mssqlSrvInfoRAPhysicalReads
mssqlSrvInfoRAPhysicalReads
Module: MSSQLSERVER-MIB
OID (symbolic): MSSQLSERVER-MIB::mssqlSrvInfoRAPhysicalReads
OID (numeric): 1.3.6.1.4.1.311.1.4.1.1.2.1.15
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: Physical reads (each consisting of 8 - 2K pages) issued by Read Ahead Manager since SQL Server was started.
What is mssqlSrvInfoRAPhysicalReads?
This read-only Counter OID totals physical reads (each covering 8 pages of 2KB) issued by SQL Server's Read Ahead Manager since startup, letting a DBA see how much of the disk I/O load comes from read-ahead prefetching versus on-demand reads.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.311.1.4.1.1.2.1.15 snmpwalk -v2c -c public <target> MSSQLSERVER-MIB::mssqlSrvInfoRAPhysicalReads
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.311.1.4.1.1.2.1.15.1 snmpget -v2c -c public <target> MSSQLSERVER-MIB::mssqlSrvInfoRAPhysicalReads.1
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OID Breakdown
Upper-level ancestors (8 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 |
| 1.3.6.1.4.1.311 | microsoft | InternetServer-MIB |
| 1.3.6.1.4.1.311.1 | software | InternetServer-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.311.1.4 | apps | MSSQLSERVER-MIB |
| 1.3.6.1.4.1.311.1.4.1 | mssqlServer | MSSQLSERVER-MIB |
| 1.3.6.1.4.1.311.1.4.1.1 | mssqlServerObjects | MSSQLSERVER-MIB |
| 1.3.6.1.4.1.311.1.4.1.1.2 | mssqlSrvInfoTable | MSSQLSERVER-MIB |
| 1.3.6.1.4.1.311.1.4.1.1.2.1 | mssqlSrvInfoEntry | MSSQLSERVER-MIB |
| 1.3.6.1.4.1.311.1.4.1.1.2.1.15 | mssqlSrvInfoRAPhysicalReads | MSSQLSERVER-MIB |