Debian и SNMP

junior · 21 октября 2014, 16:20:08

Ситуация следующая: на сервере стоит Debian 7, установлен net-snmp. Необходимо его мониторить с помощью Cacti. Он мониторится, все норм. Но тут возникла необходимость мониторить disk i/o. Со стороны Cacti все настроено и сделано (шаблоны, xml-файлы), более того Cacti мониторит себя (т.е. localhost, там стоит CentOS 5.6) и в том числе disk i/o тоже (с ним также была проблема, решилась написанием в snmpd.conf строки view systemview included .1). Но мониторить disk i/o удаленного сервера, т.е. Debian 7, он отказывается. Много рылся в инете, разбирался, но так и не нашел в чем проблема.
Вот что выдает Cacti (Debug Information Data Query):

Открыть содержимое (спойлер)

+ Running data query [11].
+ Found type = '3' [SNMP Query].
+ Found data query XML file at '/usr/share/cacti/resource/snmp_queries/net-snmp_devio.xml'
+ XML file parsed ok.
+ <oid_num_indexes> missing in XML file, 'Index Count Changed' emulated by counting oid_index entries
+ Executing SNMP walk for list of indexes @ '.1.3.6.1.4.1.2021.13.15.1.1.1' Index Count: 0
+ No SNMP data returned

[свернуть]

snmp.conf

Открыть содержимое (спойлер)

#
# As the snmp packages come without MIB files due to license reasons, loading
# of MIBs is disabled by default. If you added the MIBs you can reenable
# loaging them by commenting out the following line.
#mibs :

[свернуть]

snmpd.conf

Открыть содержимое (спойлер)

###############################################################################
#
# EXAMPLE.conf:
# An example configuration file for configuring the Net-SNMP agent ('snmpd')
# See the 'snmpd.conf(5)' man page for details
#
# Some entries are deliberately commented out, and will need to be explicitly activated
#
###############################################################################
#
# AGENT BEHAVIOUR
#

# Listen for connections from the local system only
#agentAddress udp:127.0.0.1:161
# Listen for connections on all interfaces (both IPv4 *and* IPv6)
agentAddress udp:161,udp6:[::1]:161

###############################################################################
#
# SNMPv3 AUTHENTICATION
#
# Note that these particular settings don't actually belong here.
# They should be copied to the file /var/lib/snmp/snmpd.conf
# and the passwords changed, before being uncommented in that file *only*.
# Then restart the agent

# createUser authOnlyUser MD5 "remember to change this password"
# createUser authPrivUser SHA "remember to change this one too" DES
# createUser internalUser MD5 "this is only ever used internally, but still change the password"

# If you also change the usernames (which might be sensible),
# then remember to update the other occurances in this example config file to match.
###############################################################################
#
# ACCESS CONTROL
#

# system + hrSystem groups only
#view all included .iso
#view systemonly included .1
#view systemonly included .1.3.6.1.2.1
#view systemonly included .1.3.6.1.4.1.2021.13.15
#view systemonly included .1.3.6.1.2.1.25.1

# Full access from the local host
rocommunity public localhost
# Default access to basic system info
#rocommunity public default -V systemonly

# Full access from an example network
# Adjust this network address to match your local
# settings, change the community string,
# and check the 'agentAddress' setting above
rocommunity public 5.9.17.175
# Full read-only access for SNMPv3
rouser authOnlyUser
# Full write access for encrypted requests
# Remember to activate the 'createUser' lines above
#rwuser authPrivUser priv

# It's no longer typically necessary to use the full 'com2sec/group/access' configuration
# r[ou]user and r[ow]community, together with suitable views, should cover most requirements

###############################################################################
#
# SYSTEM INFORMATION
#

# Note that setting these values here, results in the corresponding MIB objects being 'read-only'
# See snmpd.conf(5) for more details
sysLocation Sitting on the Dock of the Bay
sysContact Me <me@example.org>
# Application + End-to-End layers
sysServices 72

#
# Process Monitoring
#
# At least one 'mountd' process
proc mountd
# No more than 4 'ntalkd' processes - 0 is OK
proc ntalkd 4
# At least one 'sendmail' process, but no more than 10
proc sendmail 10 1

# Walk the UCD-SNMP-MIB::prTable to see the resulting output
# Note that this table will be empty if there are no "proc" entries in the snmpd.conf file

#
# Disk Monitoring
#
# 10MBs required on root disk, 5% free on /var, 10% free on all other disks
disk / 10000
disk /var 5%
includeAllDisks 10%

# Walk the UCD-SNMP-MIB::dskTable to see the resulting output
# Note that this table will be empty if there are no "disk" entries in the snmpd.conf file

#
# System Load
#

# Unacceptable 1-, 5-, and 15-minute load averages
load 12 10 5

# Walk the UCD-SNMP-MIB::laTable to see the resulting output
# Note that this table *will* be populated, even without a "load" entry in the snmpd.conf file

###############################################################################
#
# ACTIVE MONITORING
#

# send SNMPv1 traps
trapsink localhost public
# send SNMPv2c traps
#trap2sink localhost public
# send SNMPv2c INFORMs
#informsink localhost public

# Note that you typically only want *one* of these three lines
# Uncommenting two (or all three) will result in multiple copies of each notification.

#
# Event MIB - automatically generate alerts
#
# Remember to activate the 'createUser' lines above
iquerySecName internalUser
rouser internalUser
# generate traps on UCD error conditions
defaultMonitors yes
# generate traps on linkUp/Down
linkUpDownNotifications yes
###############################################################################
#
# EXTENDING THE AGENT
#

#
# Arbitrary extension commands
#
extend test1 /bin/echo Hello, world!
extend-sh test2 echo Hello, world! ; echo Hi there ; exit 35
#extend-sh test3 /bin/sh /tmp/shtest

# Note that this last entry requires the script '/tmp/shtest' to be created first,
# containing the same three shell commands, before the line is uncommented

# Walk the NET-SNMP-EXTEND-MIB tables (nsExtendConfigTable, nsExtendOutput1Table
# and nsExtendOutput2Table) to see the resulting output

# Note that the "extend" directive supercedes the previous "exec" and "sh" directives
# However, walking the UCD-SNMP-MIB::extTable should still returns the same output,
# as well as the fuller results in the above tables.

#
# "Pass-through" MIB extension command
#
#pass .1.3.6.1.4.1.8072.2.255 /bin/sh PREFIX/local/passtest
#pass .1.3.6.1.4.1.8072.2.255 /usr/bin/perl PREFIX/local/passtest.pl

# Note that this requires one of the two 'passtest' scripts to be installed first,
# before the appropriate line is uncommented.
# These scripts can be found in the 'local' directory of the source distribution,
# and are not installed automatically.

# Walk the NET-SNMP-PASS-MIB::netSnmpPassExamples subtree to see the resulting output

#
# AgentX Sub-agents
#
# Run as an AgentX master agent
master agentx
# Listen for network connections (from localhost)
# rather than the default named socket /var/agentx/master
#agentXSocket tcp:localhost:705

[свернуть]

Реакция на snmpwalk -v 2c -c public localhost .1.3.6.1.4.1.2021.13.15.1.1.1 (мониторю с Debian самого себя (с сервера там где Cacti тоже самое))
UCD-DISKIO-MIB::diskIOIndex = No Such Instance currently exists at this OID
Играясь с OID, дошел что .1.3.6.1.4.1.2021.13 выводит ещё что то:
UCD-DLMOD-MIB::dlmodNextIndex.0 = INTEGER: 1
А вот .1.3.6.1.4.1.2021.13.15 уже нет:
UCD-DISKIO-MIB::ucdDiskIOMIB = No Such Object available on this agent at this OID
В /usr/share/mibs следующие:
iana/ ietf/ netsnmp/

В /usr/share/mibs следующие:
iana/ ietf/ netsnmp/

В /iana:
IANA-ADDRESS-FAMILY-NUMBERS-MIB IANA-IPPM-METRICS-REGISTRY-MIB IANA-MAU-MIB IANATn3270eTC-MIB
IANA-CHARSET-MIB IANA-ITU-ALARM-TC-MIB IANA-PRINTER-MIB IANAifType-MIB
IANA-FINISHER-MIB IANA-LANGUAGE-MIB IANA-PWE3-MIB IPFIX-SELECTOR-MIB
IANA-GMPLS-TC-MIB IANA-MALLOC-MIB IANA-RTPROTO-MIB

В /ietf:

Открыть содержимое (спойлер)

ACCOUNTING-CONTROL-MIB IF-INVERTED-STACK-MIB RFC1382-MIB
ADSL-LINE-EXT-MIB IF-MIB RFC1414-MIB
ADSL-LINE-MIB IFCP-MGMT-MIB RIPv2-MIB
ADSL-TC-MIB IGMP-STD-MIB RMON-MIB
ADSL2-LINE-MIB INET-ADDRESS-MIB RMON2-MIB
ADSL2-LINE-TC-MIB INTEGRATED-SERVICES-GUARANTEED-MIB ROHC-MIB
AGENTX-MIB INTEGRATED-SERVICES-MIB ROHC-RTP-MIB
AGGREGATE-MIB INTERFACETOPN-MIB ROHC-UNCOMPRESSED-MIB
ALARM-MIB IP-FORWARD-MIB RS-232-MIB
APM-MIB IP-MIB RSERPOOL-MIB
APPC-MIB IPATM-IPMC-MIB RSTP-MIB
APPLETALK-MIB IPFIX-MIB RSVP-MIB
APPLICATION-MIB IPMCAST-MIB RTP-MIB
APPN-DLUR-MIB IPMROUTE-STD-MIB SCSI-MIB
APPN-MIB IPOA-MIB SCTP-MIB
APPN-TRAP-MIB IPS-AUTH-MIB SFLOW-MIB
APS-MIB IPSEC-SPD-MIB SIP-COMMON-MIB
ARC-MIB IPV6-FLOW-LABEL-MIB SIP-MIB
ATM-ACCOUNTING-INFORMATION-MIB IPV6-ICMP-MIB SIP-SERVER-MIB
ATM-MIB IPV6-MIB SIP-TC-MIB
ATM-TC-MIB IPV6-MLD-MIB SIP-UA-MIB
ATM2-MIB IPV6-TC SLAPM-MIB
BGP4-MIB IPV6-TCP-MIB SMON-MIB
BRIDGE-MIB IPV6-UDP-MIB SMUX-MIB
CAPWAP-BASE-MIB ISCSI-MIB SNA-NAU-MIB
CAPWAP-DOT11-MIB ISDN-MIB SNA-SDLC-MIB
CHARACTER-MIB ISIS-MIB SNMP-COMMUNITY-MIB
CIRCUIT-IF-MIB ISNS-MIB SNMP-FRAMEWORK-MIB
CLNS-MIB ITU-ALARM-MIB SNMP-IEEE802-TM-MIB
COPS-CLIENT-MIB ITU-ALARM-TC-MIB SNMP-MPD-MIB
DECNET-PHIV-MIB Job-Monitoring-MIB SNMP-NOTIFICATION-MIB
DIAL-CONTROL-MIB L2TP-MIB SNMP-PROXY-MIB
DIFFSERV-CONFIG-MIB LANGTAG-TC-MIB SNMP-REPEATER-MIB
DIFFSERV-DSCP-TC LMP-MIB SNMP-SSH-TM-MIB
DIFFSERV-MIB MALLOC-MIB SNMP-TARGET-MIB
DIRECTORY-SERVER-MIB MAU-MIB SNMP-TSM-MIB
DISMAN-EVENT-MIB MGMD-STD-MIB SNMP-USER-BASED-SM-MIB
DISMAN-EXPRESSION-MIB MIDCOM-MIB SNMP-USM-AES-MIB
DISMAN-NSLOOKUP-MIB MIOX25-MIB SNMP-USM-DH-OBJECTS-MIB
DISMAN-PING-MIB MIP-MIB SNMP-VIEW-BASED-ACM-MIB
DISMAN-SCHEDULE-MIB MOBILEIPV6-MIB SNMPv2-CONF
DISMAN-SCRIPT-MIB MPLS-FTN-STD-MIB SNMPv2-M2M-MIB
DISMAN-TRACEROUTE-MIB MPLS-L3VPN-STD-MIB SNMPv2-MIB
DLSW-MIB MPLS-LC-ATM-STD-MIB SNMPv2-PARTY-MIB
DNS-RESOLVER-MIB MPLS-LC-FR-STD-MIB SNMPv2-PDU
DNS-SERVER-MIB MPLS-LDP-ATM-STD-MIB SNMPv2-SMI
DOCS-BPI-MIB MPLS-LDP-FRAME-RELAY-STD-MIB SNMPv2-TC
DOCS-CABLE-DEVICE-MIB MPLS-LDP-GENERIC-STD-MIB SNMPv2-TM
DOCS-IETF-BPI2-MIB MPLS-LDP-STD-MIB SNMPv2-USEC-MIB
DOCS-IETF-CABLE-DEVICE-NOTIFICATION-MIB MPLS-LSR-STD-MIB SONET-MIB
DOCS-IETF-QOS-MIB MPLS-TC-STD-MIB SOURCE-ROUTING-MIB
DOCS-IETF-SUBMGT-MIB MPLS-TE-STD-MIB SSPM-MIB
DOCS-IF-MIB MSDP-MIB SYSAPPL-MIB
DOT12-IF-MIB MTA-MIB SYSLOG-MSG-MIB
DOT12-RPTR-MIB Modem-MIB SYSLOG-TC-MIB
DOT3-EPON-MIB NAT-MIB T11-FC-FABRIC-ADDR-MGR-MIB
DOT3-OAM-MIB NEMO-MIB T11-FC-FABRIC-CONFIG-SERVER-MIB
DPI20-MIB NETWORK-SERVICES-MIB T11-FC-FABRIC-LOCK-MIB
DS0-MIB NHRP-MIB T11-FC-FSPF-MIB
DS0BUNDLE-MIB NOTIFICATION-LOG-MIB T11-FC-NAME-SERVER-MIB
DS1-MIB OPT-IF-MIB T11-FC-ROUTE-MIB
DS3-MIB OSPF-MIB T11-FC-RSCN-MIB
DSA-MIB OSPF-TRAP-MIB T11-FC-SP-AUTHENTICATION-MIB
DSMON-MIB OSPFV3-MIB T11-FC-SP-POLICY-MIB
DVB-RCS-MIB P-BRIDGE-MIB T11-FC-SP-SA-MIB
EBN-MIB PARALLEL-MIB T11-FC-SP-TC-MIB
EFM-CU-MIB PIM-BSR-MIB T11-FC-SP-ZONING-MIB
ENTITY-MIB PIM-MIB T11-FC-VIRTUAL-FABRIC-MIB
ENTITY-SENSOR-MIB PIM-STD-MIB T11-FC-ZONE-SERVER-MIB
ENTITY-STATE-MIB PINT-MIB T11-TC-MIB
ENTITY-STATE-TC-MIB PKTC-IETF-EVENT-MIB TCP-ESTATS-MIB
ETHER-CHIPSET-MIB PKTC-IETF-MTA-MIB TCP-MIB
EtherLike-MIB PKTC-IETF-SIG-MIB TCPIPX-MIB
FC-MGMT-MIB POLICY-BASED-MANAGEMENT-MIB TE-LINK-STD-MIB
FCIP-MGMT-MIB POWER-ETHERNET-MIB TE-MIB
FDDI-SMT73-MIB PPP-BRIDGE-NCP-MIB TIME-AGGREGATE-MIB
FIBRE-CHANNEL-FE-MIB PPP-IP-NCP-MIB TN3270E-MIB
FLOW-METER-MIB PPP-LCP-MIB TN3270E-RT-MIB
FORCES-MIB PPP-SEC-MIB TOKEN-RING-RMON-MIB
FR-ATM-PVC-SERVICE-IWF-MIB PTOPO-MIB TOKENRING-MIB
FR-MFR-MIB PW-ATM-MIB TOKENRING-STATION-SR-MIB
FRAME-RELAY-DTE-MIB PW-ENET-STD-MIB TPM-MIB
FRNETSERV-MIB PW-MPLS-STD-MIB TRANSPORT-ADDRESS-MIB
FRSLD-MIB PW-STD-MIB TRIP-MIB
Finisher-MIB PW-TC-STD-MIB TRIP-TC-MIB
GMPLS-LABEL-STD-MIB PW-TDM-MIB TUNNEL-MIB
GMPLS-LSR-STD-MIB PerfHist-TC-MIB UCD-DISKIO-MIB
GMPLS-TC-STD-MIB Printer-MIB UCD-SNMP-MIB
GMPLS-TE-STD-MIB Q-BRIDGE-MIB UDP-MIB
GSMP-MIB RADIUS-ACC-CLIENT-MIB UDPLITE-MIB
HC-ALARM-MIB RADIUS-ACC-SERVER-MIB UPS-MIB
HC-PerfHist-TC-MIB RADIUS-AUTH-CLIENT-MIB URI-TC-MIB
HC-RMON-MIB RADIUS-AUTH-SERVER-MIB VDSL-LINE-EXT-MCM-MIB
HCNUM-TC RADIUS-DYNAUTH-CLIENT-MIB VDSL-LINE-EXT-SCM-MIB
HDSL2-SHDSL-LINE-MIB RADIUS-DYNAUTH-SERVER-MIB VDSL-LINE-MIB
HOST-RESOURCES-MIB RAQMON-MIB VDSL2-LINE-MIB
HOST-RESOURCES-TYPES RAQMON-RDS-MIB VDSL2-LINE-TC-MIB
HPR-IP-MIB RDBMS-MIB VPN-TC-STD-MIB
HPR-MIB RFC1155-SMI VRRP-MIB
IBM-6611-APPN-MIB RFC1213-MIB WWW-MIB
IF-CAP-STACK-MIB RFC1381-MIB

[свернуть]

В /netsnmp:
GNOME-SMI NET-SNMP-EXAMPLES-MIB NET-SNMP-MONITOR-MIB NET-SNMP-TC UCD-DISKIO-MIB UCD-SNMP-MIB
LM-SENSORS-MIB NET-SNMP-EXTEND-MIB NET-SNMP-PASS-MIB NET-SNMP-VACM-MIB UCD-DLMOD-MIB
NET-SNMP-AGENT-MIB NET-SNMP-MIB NET-SNMP-SYSTEM-MIB UCD-DEMO-MIB UCD-IPFWACC-MIB

Заранее спасибо за помощь и подсказки)

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Debian и SNMP

junior