Transcript Host Resources MIB RFC 2790 - Yen

Host Resources MIB
- RFC 2790
Yen-Cheng Chen
IM, NCNU
MIBs Supported in Windows XP
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MIB-II (RFC 1213)
Host Resource MIB (RFC 2790)
LAN Manager MIB-II (.1.3.6.1.4.1.77)
Microsoft DHCP server MIB (.1.3.6.1.4.1.311.1.3)
Microsoft Internet Information Server MIB
(.1.3.6.1.4.1.311.1.7)
Microsoft WINS server MIB (.1.3.6.1.4.1.311.1.2)
 Using SNMP for Network Management
 MIB Object Types for Windows NT
References
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RFCs
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RFC 2790: Host Resources MIB
Modules:
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HOST-RESOURCES-MIB ( HR-MIB )
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HOST-RESOURCES-TYPES ( HR-TYPES )
Lab. Files (php)
• http://ycchen.im.ncnu.edu.tw/nm/hr-php.zip
Lab. Files (Java projects):
• snmpwalk.java, getTable.java
•http://www.im.ncnu.edu.tw/ycchen/nm/getTable.zip
Management of Host Computers
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Host Resources MIB defines a uniform set of
objects useful for the management of host computers.
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Objects which also provide host management
functionality.
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system group in SNMPv2-MIB [RFC1907]
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interfaces group IF-MIB [RFC2233]
Groups of Host Resources MIB
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host OBJECT IDENTIFIER ::= { mib-2 25 }
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1.3.6.1.2.1.25
6 Groups:
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hrSystem OBJECT IDENTIFIER ::= { host 1 }
hrStorage OBJECT IDENTIFIER ::= { host 2 }
hrDevice OBJECT IDENTIFIER ::= { host 3 }
hrSWRun OBJECT IDENTIFIER ::= { host 4 }
hrSWRunPerf OBJECT IDENTIFIER ::= { host 5 }
hrSWInstalled OBJECT IDENTIFIER ::= { host 6 }
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hrMIBAdminInfo OBJECT IDENTIFIER ::= { host 7 }
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1. hrSystem: HR System Group
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hrSystemUptime
hrSystemDate
hrSystemInitialLoadDevice
hrSystemInitialLoadParameters
hrSystemNumUsers
hrSystemProcesses
hrSystemMaxProcesses
{ hrSystem 1 }
{ hrSystem 2 }
{ hrSystem 3 }
{ hrSystem 4 }
{ hrSystem 5 }
{ hrSystem 6 }
{ hrSystem 7 }
Index of the hrDeviceEntry
hrSystem Example
java snmpwalk –c community –m HR-MIB 10.10.13.7 hrSystem
host.hrSystem.hrSystemUptime.0:
14 days, 17 hours, 10 minutes, 28 seconds.
host.hrSystem.hrSystemDate.0: 2006-4-2,9:55:14.0
host.hrSystem.hrSystemInitialLoadDevice.0: 0
host.hrSystem.hrSystemInitialLoadParameters.0:
host.hrSystem.hrSystemNumUsers.0: 2
host.hrSystem.hrSystemProcesses.0: 66
host.hrSystem.hrSystemMaxProcesses.0: 0
2. hrStorage: HR Storage Group
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(Oid) hrStorageTypes
{ hrStorage 1 }
hrMemorySize (Size of RAM in Kbytes) { hrStorage 2 }
hrStorageTable
{ hrStorage 3 }
 hrStorageEntry
{ hrStorageTable 1 }
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hrStorageIndex
hrStorageType
hrStorageDescr
hrStorageAllocationUnits
hrStorageSize
hrStorageUsed
hrStorageAllocationFailures
{ hrStorageEntry 1 }
{ hrStorageEntry 2 }
{ hrStorageEntry 3 }
{ hrStorageEntry 4 }
{ hrStorageEntry 5 }
{ hrStorageEntry 6 }
{ hrStorageEntry 7 }
hrStorage Example
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host.hrStorage.hrMemorySize.0: 1031472 (KBytes) ≒ 0.98 GBytes
(bytes)
java getTable 127.0.0.1 community hrStorageTable “HR-MIB HR-TYPES”
> hrStorageTable.html
Php Example:
realtable.php
<?php
snmp_set_quick_print(true);
snmp_read_mib("hrTypes.txt");
$host = "127.0.0.1";
$community = "public";
$oid = "HOST-RESOURCES-MIB::hrStorageTable";
$arr = realtable($host, $community, $oid, 7);
…
?>
C:\usr\mibs\HOST-RESOURCES-TYPES.txt
Example
hrStorageDescr:
C:\...
hrStorageAllocationUnits:
4096
hrStorageSize:
11442296
hrStorageUsed:
4739161
Disk Capacity: (bytes)
11442296 * 4096 = 46867644416
Available Disk Space: (%)
(11442296-4739161)/11442296 *100% = 58.6 %
3. hrDevice: HR Device Group
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(Oid) hrDeviceTypes
hrDeviceTable
hrProcessorTable
hrNetworkTable
hrPrinterTable
hrDiskStorageTable
hrPartitionTable
hrFSTable
{ hrDevice 1 }
{ hrDevice 2 }
{ hrDevice 3 }
{ hrDevice 4 }
{ hrDevice 5 }
{ hrDevice 6 }
{ hrDevice 7 }
{ hrDevice 8 }
hrDeviceTable
- The table of devices contained by the host
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hrDeviceTable
 hrDeviceEntry
 hrDeviceIndex
 hrDeviceType
 hrDeviceDescr
 hrDeviceID
 hrDeviceStatus
 hrDeviceErrors
{ hrDevice 2 }
{ hrDeviceTable 1 }
{ hrDeviceEntry 1 }
{ hrDeviceEntry 2 }
{ hrDeviceEntry 3 }
{ hrDeviceEntry 4 }
{ hrDeviceEntry 5 }
{ hrDeviceEntry 6 }
hrDeviceTable Example
hrProcessorTable
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- The table of processors
hrProcessorTable
{ hrDevice 3 }
 hrProcessorEntry
{ hrProcessorTable 1 }
 hrProcessorFrwID
{ hrProcessorEntry 1 }
- Product ID of Firmware
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hrProcessorLoad
{ hrProcessorEntry 2 }
- The average, over the last minute, of the percentage
of time that this processor was not idle.
hrDeviceIndex
hrNetworkTable
- The table of network devices
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hrNetworkTable
 hrNetworkEntry
 hrNetworkIfIndex
hrDeviceIndex
ifTable:
{ hrDevice 4 }
{ hrNetworkTable 1 }
{ hrNetworkEntry 1 }
hrPrinterTable
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hrPrinterTable
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{ hrDevice 5 }
hrPrinterEntry
 hrPrinterStatus
{ hrPrinterTable 1 }
{ hrPrinterEntry 1 }
other(1), unknown(2), idle(3), printing(4), warmup(5)
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hrPrinterDetectedErrorState
Bits:
{ hrPrinterEntry 2 }
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
0: lowPaper
1: noPaper
2: lowToner
3: noToner
4: doorOpen
5: jammed
6: offline
7: serviceRequested
8: inputTrayMissing
9: outputTrayMissing
10: markerSupplyMissing
11: outputNearFull
12: outputFull
13: inputTrayEmpty
14: overduePreventMaint
hrDiskStorageTable
- The table of long-term storage devices
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hrDiskStorageTable
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hrDiskStorageEntry
 hrDiskStorageAccess
 hrDiskStorageMedia
 hrDiskStorageRemoveble
 hrDiskStorageCapacity
{ hrDevice 6 }
{ hrDiskStorageTable 1 }
{ hrDiskStorageEntry 1 }
{ hrDiskStorageEntry 2 }
{ hrDiskStorageEntry 3 }
{ hrDiskStorageEntry 4 }
hrDiskStorageTable Example
KBytes
hrDeviceIndex
hrPartitionTable
- The table of partitions for long-term storage devices
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hrPartitionTable
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hrPartitionEntry
 hrPartitionIndex
 hrPartitionLabel
 hrPartitionID
 hrPartitionSize
 hrPartitionFSIndex
{ hrDevice 7 }
{ hrPartitionTable 1 }
{ hrPartitionEntry 1 }
{ hrPartitionEntry 2 }
{ hrPartitionEntry 3 }
{ hrPartitionEntry 4 }
{ hrPartitionEntry 5 }
FS: File System
hrPartitionTable Example
KBytes
hrDeviceIndex
hrPartitionIndex
1
2
3
4
5
hrFSTable
- The table of file systems local or remotely mounted
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hrFSTable
hrFSEntry
 hrFSIndex
 hrFSMountPoint
 hrFSRemoteMountPoint
 hrFSType
 hrFSAccess
 hrFSBootable
 hrFSStorageIndex
 hrFSLastFullBackupDate
 hrFSLastPartialBackupDate
{ hrDevice 8 }
{ hrFSTable 1 }
{ hrFSEntry 1 }
{ hrFSEntry 2}
{ hrFSEntry 3 }
{ hrFSEntry 4 }
{ hrFSEntry 5 }
{ hrFSEntry 6 }
{ hrFSEntry 7 }
{ hrFSEntry 8 }
{ hrFSEntry 9 }
hrFSTable Example
January 1, year 0000, 00:00:00.0
4. hrSWRun: HR Running Software Group
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hrSWOSIndex
hrSWRunTable
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hrSWRunEntry
 hrSWRunIndex
 hrSWRunName
 hrSWRunID
 hrSWRunPath
 hrSWRunParameters
 hrSWRunType
 hrSWRunStatus
unknown(1),
hrSWRunType: operatingSystem(2),
deviceDriver(3),
application(4)
{ hrSWRun 1 }
{ hrSWRun 2 }
{ hrSWRunTable 1 }
{ hrSWRunEntry 1 }
{ hrSWRunEntry 2 }
{ hrSWRunEntry 3 }
{ hrSWRunEntry 4 }
{ hrSWRunEntry 5 }
{ hrSWRunEntry 6 }
{ hrSWRunEntry 7 }
running(1),
hrSWRunStatus: runnable(2),
notRunnable(3),
invalid(4)
hrSWRunTable Example
- The table of software running on the host
hrSWRun.hrSWOSIndex.0: 4
5. hrSWRunPerf:
HR Running Software Performance Group
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hrSWRunPerfTable
{ hrSWRunPerf 1 }
- The table of running software performance metrics
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hrSWRunPerfEntry
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hrSWRunPerfCPU
{ hrSWRunPerfTable 1 }
{ hrSWRunPerfEntry 1 }
- Number of centi-seconds of the CPU resources
consumed by this process.
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hrSWRunPerfMem
{ hrSWRunPerfEntry 2 }
- The total amount of real system memory allocated to
this process. (in Kbytes)
hrSWRunPerfTable Example
hrSWRunTable
hrSWRunPerfTable
=
=
=
=
=
6. hrSWInstalled:
HR Installed Software Group
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{ hrSWInstalled 1 }
hrSWInstalledLastChange
hrSWInstalledLastUpdateTime { hrSWInstalled 2 }
{ hrSWInstalled 3 }
hrSWInstalledTable
hrSWInstalledEntry
 hrSWInstalledIndex
 hrSWInstalledName
 hrSWInstalledID
unknown(1),
operatingSystem(2),  hrSWInstalledType
deviceDriver(3),
application(4)
 hrSWInstalledDate
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{ hrSWInstalledTable 1 }
{ hrSWInstalledEntry 1 }
{ hrSWInstalledEntry 2 }
{ hrSWInstalledEntry 3 }
{ hrSWInstalledEntry 4 }
{ hrSWInstalledEntry 5 }
hrSWInstalledTable Example