All MIBs › CPQSCSI-MIB › cpqTapeCountersReWrites
cpqTapeCountersReWrites
Module: CPQSCSI-MIB
OID (symbolic): CPQSCSI-MIB::cpqTapeCountersReWrites
OID (numeric): 1.3.6.1.4.1.232.5.4.2.1.1.5
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: Tape Device Re-write count.
This is the number of times blocks had to be re-written to the device. This value is maintained since the Tape Hardware Interface driver was loaded.
Re-write errors may occasionally occur. If this value should rise dramatically, you may need to clean the device. If you continue to have re-writes, you may have a problem. Some common causes include radio frequency interference (RFI) on the bus cables, bad or missing terminating resisters on the drives or having more than one device with the same SCSI ID. Insure the bus cable is free of obstructions and that the devices on the bus are properly configured.
What is cpqTapeCountersReWrites?
This counter tracks how many times blocks had to be re-written to the tape device, maintained since the Tape Hardware Interface driver was loaded. Occasional re-writes are normal, but a dramatic rise suggests the device may need cleaning, and continued re-writes after cleaning point to a deeper problem. For example, an admin seeing reWrites spike after several backup jobs would first try cleaning the drive before suspecting media or hardware failure.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.232.5.4.2.1.1.5 snmpwalk -v2c -c public <target> CPQSCSI-MIB::cpqTapeCountersReWrites
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.232.5.4.2.1.1.5.1 snmpget -v2c -c public <target> CPQSCSI-MIB::cpqTapeCountersReWrites.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> cpqTapeCountersReWrites.1
Start monitoring Compaq (HP) server (SCSI storage controller) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CPQSCSI-MIB::cpqTapeCountersReWrites OID value, configure state conditions and alerts, and monitor any Compaq (HP) server (SCSI storage controller) from a single console.
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 |
|---|---|---|
| 1.3.6.1.4.1.232.5 | cpqScsi | CPQSCSI-MIB |
| 1.3.6.1.4.1.232.5.4 | cpqTapeComponent | CPQSCSI-MIB |
| 1.3.6.1.4.1.232.5.4.2 | cpqTapeCounters | CPQSCSI-MIB |
| 1.3.6.1.4.1.232.5.4.2.1 | cpqTapeCountersTable | CPQSCSI-MIB |
| 1.3.6.1.4.1.232.5.4.2.1.1 | cpqTapeCountersEntry | CPQSCSI-MIB |
| 1.3.6.1.4.1.232.5.4.2.1.1.5 | cpqTapeCountersReWrites | CPQSCSI-MIB |