All MIBs › CPQFCA-MIB › cpqFcTapeCountersReReads
cpqFcTapeCountersReReads
Module: CPQFCA-MIB
OID (symbolic): CPQFCA-MIB::cpqFcTapeCountersReReads
OID (numeric): 1.3.6.1.4.1.232.16.3.4.1.1.6
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: Tape Device Re-read count.
This is the number of times blocks had to be re-read from the device. This value is maintained since the Tape Hardware Interface driver was loaded.
Re-read errors may occasionally occur. If this value should rise dramatically, you may need to clean the device. If you continue to have re-reads, 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 cpqFcTapeCountersReReads?
This counter reports the number of times blocks had to be re-read from the tape device since the Tape Hardware Interface driver was loaded. An admin watches this for a dramatic rise, which suggests cleaning is needed, or persistent re-reads after cleaning, which points to a possible hardware or media problem, including causes like radio frequency interference. For example, an increasing re-read count during a restore operation would raise concern about the reliability of either the drive or the specific tape being read.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.232.16.3.4.1.1.6 snmpwalk -v2c -c public <target> CPQFCA-MIB::cpqFcTapeCountersReReads
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.232.16.3.4.1.1.6.1 snmpget -v2c -c public <target> CPQFCA-MIB::cpqFcTapeCountersReReads.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 |
|---|---|---|
| 1.3.6.1.4.1.232.16 | cpqFibreArray | CPQFCA-MIB |
| 1.3.6.1.4.1.232.16.3 | cpqFcTapeComponent | CPQFCA-MIB |
| 1.3.6.1.4.1.232.16.3.4 | cpqFcTapeCounters | CPQFCA-MIB |
| 1.3.6.1.4.1.232.16.3.4.1 | cpqFcTapeCountersTable | CPQFCA-MIB |
| 1.3.6.1.4.1.232.16.3.4.1.1 | cpqFcTapeCountersEntry | CPQFCA-MIB |
| 1.3.6.1.4.1.232.16.3.4.1.1.6 | cpqFcTapeCountersReReads | CPQFCA-MIB |