CPQLINOS-MIB

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Category: Net-SNMP and Linux, Vendor: HP/HPE

Description: Monitors Linux OS resource utilization and subsystem health on Compaq/HP ProLiant servers.

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What Is CPQLINOS-MIB?

CPQLINOS-MIB is a Compaq/HP vendor MIB for monitoring the Linux operating system running on ProLiant server hardware, part of the Compaq/HP Insight Management agent family. It exposes OS-level resource data such as CPU utilization, memory/swap usage, filesystem space, and process/service information for Linux-based ProLiant systems. It is explicitly a software-status monitoring MIB, tracking CPU load, memory consumption, disk utilization, and process health, complementing the hardware-focused Compaq Health/Insight MIBs that cover physical sensors like power supplies and fans. It typically complements companion Compaq Insight Manager MIBs that provide hardware-side sensor data for the same physical server. It is deployed in enterprise data centers running Compaq/HP ProLiant servers with Linux, monitored via HP Insight Manager or third-party SNMP tools that compile the CPQLINOS-MIB MIB for OS resource capacity planning and fault detection.

IPNetwork Monitor allows you to monitor SNMP objects defined in CPQLINOS-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Compaq/HP ProLiant server running Linux

Monitoring Examples

No object or table names were supplied for this module. Based on its documented purpose of monitoring Linux OS resource utilization and subsystem health, a typical use would be polling CPU load and memory/swap utilization to detect resource exhaustion on a ProLiant server, but specific object names cannot be confirmed without the source MIB.

What Can Be Monitored

CPU utilization
memory/swap usage
filesystem space
process/service status
system load

Imported Objects

From CPQHOST-MIB

compaq

OBJECT-IDENTITY

From RFC-1212

OBJECT-TYPE

From RFC-1215

TRAP-TYPE

From RFC1213-MIB

DisplayString
sysName

OIDs

OID symbolic	OID numeric	Type	Access	Description
cpqLinOsCache	1.3.6.1.4.1.232.23.2.5
cpqLinOsCommon	1.3.6.1.4.1.232.23.2.1.4
INT cpqLinOsCommonLastObservedPollCycle	1.3.6.1.4.1.232.23.2.1.4.2	INTEGER	read-only	The Management Agent's last polling cycle, measured in milliseconds. This quantity should be approximately the desired polling frequency, but because of scheduling variances, slight distortions are to be expected.
INT cpqLinOsCommonLastObservedTimeMSec	1.3.6.1.4.1.232.23.2.1.4.4	INTEGER	read-only	The point in time where the last polling occured. This quantity counts milliseconds of the last fraction of a second transpired. This time stamp is implemented with the Linux gettimeofday call and is only useful in conjunction with the previously described quantity.
INT cpqLinOsCommonLastObservedTimeSec	1.3.6.1.4.1.232.23.2.1.4.3	INTEGER	read-only	The point in time where the last polling occured. This quantity counts the seconds from January 1, 1970 (UTC) on. This time stamp is implemented with the Linux gettimeofday call.
INT cpqLinOsCommonPollFreq	1.3.6.1.4.1.232.23.2.1.4.1	INTEGER	read-write	The Management Agent's polling frequency. The frequency, in seconds, at which the Agent requests information from the device driver. A frequency of zero (0) indicates that the Insight Agent retrieves the information upon request of a management station, it does not poll the device driver at a specific interval. If the poll frequency is zero (0) all attempts to write to this object will fail. If the poll frequency is non-zero, setting this value will change the polling frequency of the Insight Agent. Setting the poll frequency to zero (0) will always fail, an agent may also choose to fail any request to change the poll frequency to a value that would severely impact system performance.
cpqLinOsComponent	1.3.6.1.4.1.232.23.2
INT cpqLinOsCpuIndex	1.3.6.1.4.1.232.23.2.3.2.1.1	INTEGER	read-only	This Processor Instance number.
STR cpqLinOsCpuInstance	1.3.6.1.4.1.232.23.2.3.2.1.2	DisplayString	read-only	This Processor Instance Name.
INT cpqLinOsCpuInterruptsPerSec	1.3.6.1.4.1.232.23.2.3.2.1.3	INTEGER	read-only	Interrupts/sec is the average number of hardware interrupts the processor is receiving and servicing in each second. It does not include DPCs, which are counted separately. This value is an indirect indicator of the activity of devices that generate interrupts, such as the system clock, the mouse, disk drivers, data communication lines, network interface cards and other peripheral devices. These devices normally interrupt the processor when they have completed a task or require attention. Normal thread execution is suspended during interrupts. Most system clocks interrupt the processor every 10 milliseconds, creating a background of interrupt activity.
INT cpqLinOsCpuPrivilegedTimePercent	1.3.6.1.4.1.232.23.2.3.2.1.8	INTEGER	read-only	%Privileged Time is the percentage of non-idle processor time spent in privileged mode. (Privileged mode is a processing mode designed for operating system components and hardware-manipulating drivers. It allows direct access to hardware and all memory. The alternative, user mode, is a restricted processing mode designed for applications, environment subsystems, and integral subsystems. The operating system switches application threads to privileged mode to obtain operating system services.) %Privileged Time includes time servicing interrupts and DPCs. A high rate of privileged time might be attributable to a large number of interrupts generated by a failing device.
INT cpqLinOsCpuTimePercent	1.3.6.1.4.1.232.23.2.3.2.1.4	INTEGER	read-only	%Processor Time is the percentage of time that the processor is executing a non-Idle thread. This counter was designed as a primary indicator of processor activity. It is calculated by measuring the time that the processor spends executing the thread of the Idle process in each sample interval, and subtracting that value from 100%. (Each processor has an Idle thread which consumes cycles when no other threads are ready to run.) It can be viewed as the fraction of the time spent doing useful work.
INT cpqLinOsCpuUserTimePercent	1.3.6.1.4.1.232.23.2.3.2.1.7	INTEGER	read-only	%User Time is the percentage of non-idle processor time spent in user mode. User mode is a restricted processing mode designed for applications, environment subsystems, and integral subsystems. The alternative, privileged mode, is designed for operating system components and allows direct access to hardware and all memory. The operating system switches application threads to privileged mode to obtain operating system services.
cpqLinOsDisk	1.3.6.1.4.1.232.23.2.7
cpqLinOsDiskEntry	1.3.6.1.4.1.232.23.2.7.2.1		not-accessible	A Physical Disk Entry.
INT cpqLinOsDiskMajorIndex	1.3.6.1.4.1.232.23.2.7.2.1.1	INTEGER	read-only	The major number of the device (in the traditional Unix sense).
INT cpqLinOsDiskMinorIndex	1.3.6.1.4.1.232.23.2.7.2.1.2	INTEGER	read-only	The minor number of the device (in the traditional Unix sense).
STR cpqLinOsDiskName	1.3.6.1.4.1.232.23.2.7.2.1.3	DisplayString	read-only	The Physical Disk Instance Name.
INT cpqLinOsDiskReadDurationMs	1.3.6.1.4.1.232.23.2.7.2.1.15	INTEGER	read-only	Cumulative and concurrent count of milliseconds all read operations took to complete in the last polling interval.
INT cpqLinOsDiskReadDurationMsPerIos	1.3.6.1.4.1.232.23.2.7.2.1.18	INTEGER	read-only	Average milliseconds it took to complete a write operation.
INT cpqLinOsDiskReadIos	1.3.6.1.4.1.232.23.2.7.2.1.12	INTEGER	read-only	Number of read operations that transpired within the last polling interval.
INT cpqLinOsDiskReadIosPerSec	1.3.6.1.4.1.232.23.2.7.2.1.16	INTEGER	read-only	Read operations per second within that last polling interval.
INT cpqLinOsDiskReadMerges	1.3.6.1.4.1.232.23.2.7.2.1.13	INTEGER	read-only	Number of read operations that were coalesced with other operations during the last polling interval.
INT cpqLinOsDiskReadSectors	1.3.6.1.4.1.232.23.2.7.2.1.14	INTEGER	read-only	Number of sectors written out to disk during the last polling interval.
INT cpqLinOsDiskReadSectorsPerSec	1.3.6.1.4.1.232.23.2.7.2.1.17	INTEGER	read-only	Read sectors per second within the last polling interval.
INT cpqLinOsDiskScsiIndex	1.3.6.1.4.1.232.23.2.7.2.1.4	INTEGER	read-only	These are the four numbers that the SCSI subsystem uses to index devices, often written as . The index can be expressed as (id \| (lun << 8) \| (channel << 16) \| (host_no << 24)).
cpqLinOsDiskTable	1.3.6.1.4.1.232.23.2.7.2		not-accessible	A table of Physical Disk Entries.
INT cpqLinOsDiskWriteDurationMs	1.3.6.1.4.1.232.23.2.7.2.1.8	INTEGER	read-only	Cumulative and concurrent count of milliseconds all write operations took to complete in the last polling interval.
INT cpqLinOsDiskWriteDurationMsPerIos	1.3.6.1.4.1.232.23.2.7.2.1.11	INTEGER	read-only	Average milliseconds it took to complete a write operation.
INT cpqLinOsDiskWriteIos	1.3.6.1.4.1.232.23.2.7.2.1.5	INTEGER	read-only	Number of write operations that transpired within the last polling interval.
INT cpqLinOsDiskWriteIosPerSec	1.3.6.1.4.1.232.23.2.7.2.1.9	INTEGER	read-only	Write operations per second within that last polling interval.
INT cpqLinOsDiskWriteMerges	1.3.6.1.4.1.232.23.2.7.2.1.6	INTEGER	read-only	Number of write operations that were coalesced with other operations during the last polling interval.
INT cpqLinOsDiskWriteSectors	1.3.6.1.4.1.232.23.2.7.2.1.7	INTEGER	read-only	Number of sectors written out to disk during the last polling interval.
INT cpqLinOsDiskWriteSectorsPerSec	1.3.6.1.4.1.232.23.2.7.2.1.10	INTEGER	read-only	Write sectors per second within the last polling interval.
cpqLinOsInterface	1.3.6.1.4.1.232.23.2.1
INT cpqLinOsMajFltPerSec	1.3.6.1.4.1.232.23.2.6.7	INTEGER	read-only	The amount of major faults per second system wide. Major page faults are faults that trigger a page transfer from a hard disk s opposed to page transfer from memory.
INT cpqLinOsMemActive	1.3.6.1.4.1.232.23.2.4.12	INTEGER	read-only	Memory that has been used more recently and usually not reclaimed unless absolutely necessary.
INT cpqLinOsMemCached	1.3.6.1.4.1.232.23.2.4.10	INTEGER	read-only	Memory in the page cache (diskcache) minus SwapCache.
INT cpqLinOsMemFree	1.3.6.1.4.1.232.23.2.4.3	INTEGER	read-only	Total amount of RAM that the operating system is currently not claiming.
INT cpqLinOsMemHighFree	1.3.6.1.4.1.232.23.2.4.5	INTEGER	read-only	The amount of free memory of the high memory region.
INT cpqLinOsMemHighTotal	1.3.6.1.4.1.232.23.2.4.4	INTEGER	read-only	Total amount of memory in the high region. Highmem is all memory above (approx) 860MB of physical RAM. The kernel uses indirect tricks to access the high memory region. Data cache can go in this memory region.
INT cpqLinOsMemInactiveClean	1.3.6.1.4.1.232.23.2.4.14	INTEGER	read-only	Assumed to be easily freeable. The kernel will try to keep some clean stuff around always to have a bit of breathing room.
INT cpqLinOsMemInactiveDirty	1.3.6.1.4.1.232.23.2.4.13	INTEGER	read-only	Dirty means 'might need writing to disk or swap'. This takes more work to free. Examples might be files that have not been written to yet. They aren't written to memory too soon in order to keep the I/O down. For instance, if you're writing logs, it might be better to wait until you have a complete log ready before sending it to disk.
INT cpqLinOsMemLowFree	1.3.6.1.4.1.232.23.2.4.7	INTEGER	read-only	The amount of free memory of the low memory region.
INT cpqLinOsMemLowTotal	1.3.6.1.4.1.232.23.2.4.6	INTEGER	read-only	The total amount of memory in the low memory region. This is the memory the kernel can address directly. All kernel datastructures need to go into low memory.
cpqLinOsMemory	1.3.6.1.4.1.232.23.2.4
INT cpqLinOsMemSwapCached	1.3.6.1.4.1.232.23.2.4.11	INTEGER	read-only	Memory that once was swapped out, is swapped back in but still also is in the swapfile. If memory is needed it doesn't need to be swapped out again, because it is already in the swapfile. This saves I/O.
INT cpqLinOsMemSwapFree	1.3.6.1.4.1.232.23.2.4.9	INTEGER	read-only	The amount of free swap space.
INT cpqLinOsMemSwapTotal	1.3.6.1.4.1.232.23.2.4.8	INTEGER	read-only	The total amount of swap space. This is the sum of the capacities of all swap partitions.
INT cpqLinOsMemTotal	1.3.6.1.4.1.232.23.2.4.2	INTEGER	read-only	Total amount of RAM available to the operating system. This is in most cases slightly less than the total amount of system memory and might be further restricted by the boot parameter 'mem'.
cpqLinOsMgmt	1.3.6.1.4.1.232.23
INT cpqLinOsMibCondition	1.3.6.1.4.1.232.23.1.3	INTEGER	read-only	The overall condition. This object represents the overall status of the Operating System management system represented by this MIB.
cpqLinOsMibRev	1.3.6.1.4.1.232.23.1
INT cpqLinOsMibRevMajor	1.3.6.1.4.1.232.23.1.1	INTEGER	read-only	The Major Revision level of the MIB. A change in the major revision level represents a major change in the architecture of the MIB. A change in the major revision level may indicate a significant change in the information supported and/or the meaning of the supported information, correct interpretation of data may require a MIB document with the same major revision level.
INT cpqLinOsMibRevMinor	1.3.6.1.4.1.232.23.1.2	INTEGER	read-only	The Minor Revision level of the MIB. A change in the minor revision level may represent some minor additional support, no changes to any pre-existing information has occurred.
INT cpqLinOsMinFltPerSec	1.3.6.1.4.1.232.23.2.6.6	INTEGER	read-only	The amount of minor faults per second system wide. Minor page faults are faults that trigger a page transfer from somewhere in memory as opposed to page transfer from a hard disk.
cpqLinOsNetworkInterface	1.3.6.1.4.1.232.23.2.10
cpqLinOsNetworkInterfaceEntry	1.3.6.1.4.1.232.23.2.10.2.1		not-accessible	A Network Interface Entry.
INT cpqLinOsNetworkInterfaceIndex	1.3.6.1.4.1.232.23.2.10.2.1.1	INTEGER	read-only	The Network Interface Instance number.
STR cpqLinOsNetworkInterfaceName	1.3.6.1.4.1.232.23.2.10.2.1.2	DisplayString	read-only	The Network Interface Instance Name.
INT cpqLinOsNetworkInterfaceRxBytes	1.3.6.1.4.1.232.23.2.10.2.1.7	INTEGER	read-only	Number of bytes that were received from the network interface within the last polling interval.
INT cpqLinOsNetworkInterfaceRxBytesPerSec	1.3.6.1.4.1.232.23.2.10.2.1.9	INTEGER	read-only	Number of bytes per second that were received from the network interface.
INT cpqLinOsNetworkInterfaceRxPackets	1.3.6.1.4.1.232.23.2.10.2.1.8	INTEGER	read-only	Number of packets that were received from the network interface within the last polling interval.
INT cpqLinOsNetworkInterfaceRxPacketsPerSec	1.3.6.1.4.1.232.23.2.10.2.1.10	INTEGER	read-only	Number of packets per second that were received from the network interface.
cpqLinOsNetworkInterfaceTable	1.3.6.1.4.1.232.23.2.10.2		not-accessible	A table of Network Interface Entries.
INT cpqLinOsNetworkInterfaceTxBytes	1.3.6.1.4.1.232.23.2.10.2.1.3	INTEGER	read-only	Number of bytes that were transmitted from the network interface within the last polling interval.
INT cpqLinOsNetworkInterfaceTxBytesPerSec	1.3.6.1.4.1.232.23.2.10.2.1.5	INTEGER	read-only	Number of bytes per second that were transmitted from the network interface.
INT cpqLinOsNetworkInterfaceTxPackets	1.3.6.1.4.1.232.23.2.10.2.1.4	INTEGER	read-only	Number of packets that were transmitted from the network interface within the last polling interval.
INT cpqLinOsNetworkInterfaceTxPacketsPerSec	1.3.6.1.4.1.232.23.2.10.2.1.6	INTEGER	read-only	Number of packets per second that were transmitted from the network interface.
INT cpqLinOsPageSwapInPerSec	1.3.6.1.4.1.232.23.2.6.4	INTEGER	read-only	The amount of pages being swapped in from swap files. This is in response to a major page fault.
INT cpqLinOsPageSwapOutPerSec	1.3.6.1.4.1.232.23.2.6.5	INTEGER	read-only	The amount of pages being swapped out to disk. This is usually in response to tight memory situations where sleeping processes get put out to disk.
cpqLinOsPagingFile	1.3.6.1.4.1.232.23.2.6
cpqLinOsProcessor	1.3.6.1.4.1.232.23.2.3
cpqLinOsProcessorEntry	1.3.6.1.4.1.232.23.2.3.2.1		not-accessible	A Processor Entry.
cpqLinOsProcessorTable	1.3.6.1.4.1.232.23.2.3.2		not-accessible	A table of Processor Entries.
INT cpqLinOsSwapInPerSec	1.3.6.1.4.1.232.23.2.6.2	INTEGER	read-only	The amount of memory being swapped in from swap files. This might be pages being retrieved because of a page fault or any other data. The unit is kB/s.
INT cpqLinOsSwapOutPerSec	1.3.6.1.4.1.232.23.2.6.3	INTEGER	read-only	The amount of memory being swapped out into swap files. This might be pages or any other data. The unit is kB/s.
INT cpqLinOsSysContextSwitchesPersec	1.3.6.1.4.1.232.23.2.2.4	INTEGER	read-only	Context Switches/sec is the combined rate at which all processors on the computer are switched from one thread to another. Context switches occur when a running thread voluntarily relinquishes the processor, is preempted by a higher priority ready thread, or switches between user-mode and privileged (kernel) mode to use an Executive or subsystem service. It is the sum of Thread: Context Switches/sec for all threads running on all processors in the computer and is measured in numbers of switches. There are context switch counters on the System and Thread objects.
INT cpqLinOsSysProcesses	1.3.6.1.4.1.232.23.2.2.6	INTEGER	read-only	Processes is the number of processes in the computer at the time of data collection. Notice that this is an instantaneous count, not an average over the time interval. Each process represents the running of a program.
cpqLinOsSystem	1.3.6.1.4.1.232.23.2.2
STR cpqLinOsSystemUpTime	1.3.6.1.4.1.232.23.2.2.2	DisplayString	read-only	Total Time that the computer has been operational since it was last started.

RFC description

HP ProLiant Linux operating system MIB for monitoring CPU, memory, and network interface performance metrics on Compaq/HP servers. Contains objects for tracking system health parameters like transmission/reception rates and processor utilization.

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Download CPQLINOS-MIB

What Is CPQLINOS-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description