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cpqiScsiSsnFirstBurstLength
Module: CPQISCSI-MIB
OID (symbolic): CPQISCSI-MIB::cpqiScsiSsnFirstBurstLength
OID (numeric): 1.3.6.1.4.1.232.169.2.11.1.1.15
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: The maximum length supported for unsolicited data sent within this session.
What is cpqiScsiSsnFirstBurstLength?
This read-only integer (512-16777215 bytes) reports the maximum length of unsolicited data the initiator may send within this session before waiting for an R2T. An admin uses this to understand how large a burst of write data can be sent immediately, which affects small-write latency. For example, comparing this value across sessions to different targets can reveal that one array negotiated a smaller first-burst size, explaining slower small-write performance to that array specifically.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.232.169.2.11.1.1.15 snmpwalk -v2c -c public <target> CPQISCSI-MIB::cpqiScsiSsnFirstBurstLength
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.232.169.2.11.1.1.15.1 snmpget -v2c -c public <target> CPQISCSI-MIB::cpqiScsiSsnFirstBurstLength.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 |
|---|---|---|
| 1.3.6.1.4.1.232.169 | cpqiScsiModule | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2 | cpqiScsiObjects | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2.11 | cpqiScsiSession | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2.11.1 | cpqiScsiSessionAttributesTable | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2.11.1.1 | cpqiScsiSessionAttributesEntry | CPQISCSI-MIB |
| 1.3.6.1.4.1.232.169.2.11.1.1.15 | cpqiScsiSsnFirstBurstLength | CPQISCSI-MIB |