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Thread: SNMP DISKIO 64bit counters

  1. #1

    Default SNMP DISKIO 64bit counters

    Hi,

    I'm monitoring my open-e servers via SNMP. But now some values are maxed out at 32 bit. My own SNMP installations on linux have 64 bit counters but they are not available in open-e. An other option would be that when the 32-bit counters reach 32-bit they overflow to 0. But the open-e snmp does not do that either.

    Command:
    snmpget -c <community> -v 2c <hostname> UCD-DISKIO-MIB::diskIODevice.291 UCD-DISKIO-MIB::diskIOReads.291 UCD-DISKIO-MIB::diskIOWrites.291 UCD-DISKIO-MIB::diskIONReadX.291 UCD-DISKIO-MIB::diskIONWrittenX.291 UCD-DISKIO-MIB::diskIONRead.291 UCD-DISKIO-MIB::diskIONWritten.291

    Output:
    UCD-DISKIO-MIB::diskIODevice.291 = STRING: sdb
    UCD-DISKIO-MIB::diskIOReads.291 = Counter32: 108807898
    UCD-DISKIO-MIB::diskIOWrites.291 = Counter32: 1162630149
    UCD-DISKIO-MIB::diskIONReadX.291 = No Such Object available on this agent at this OID
    UCD-DISKIO-MIB::diskIONWrittenX.291 = No Such Object available on this agent at this OID
    UCD-DISKIO-MIB::diskIONRead.291 = Counter32: 4294966784
    UCD-DISKIO-MIB::diskIONWritten.291 = Counter32: 4294966784

    Could this be solved?

  2. #2

    Default

    Could somebody of open-e check this out? This is a real problem. There is no other way to monitor open-e disk usage.

    Thanks.

  3. #3
    Join Date
    May 2008
    Location
    Hamburg, Germany
    Posts
    108

    Default

    Hi derkgort,

    you should consider contacting support if you need an answer from Open-E. This forum is mostly for user-to-user communications - AFAIK there's no guarantee for an official response to forum messages.

    jmo

  4. #4

    Default

    Does anyone know if there is a solution for this problem?

  5. #5
    Join Date
    Oct 2010
    Location
    GA
    Posts
    935

    Default

    We use standard MIB-IIs in DSS:
    * - mib-2.host
    * - mib-2.ip
    * - mib-2.tcp
    * - mib-2.udp
    * - mib-2.interfaces
    * - mib-2.at
    * - system

    http://kb.open-e.com/What-do-I-need-...-SNMP_742.html

    As an alternative, you can try MIB browser, and do a SNMP walk and get them all.
    http://kb.open-e.com/How-to-use-MIB-...-DSS_1473.html

  6. #6

    Default

    This problem is still a problem with version 6.0up80.8101.5626 64bit. The diskIONRead and diskIONWritten max out too fast, as soon as they hit the 32-bit limit, it's over. Please update them to 64-bit or, as suggested above, reset them as soon the counter limit has been hit.

  7. #7
    Join Date
    Oct 2007
    Location
    Toronto, Canada
    Posts
    108

    Default

    Quote Originally Posted by jvandenbroek
    Please update them to 64-bit or, as suggested above, reset them as soon the counter limit has been hit.
    The size of MIB structures are defined by standard*, so Open-E cannot arbitrarily change their size.

    "Counters" are explicitly defined in RFC1155 to "a maximum value of 2^32-1 (4294967295 decimal)"

    So, don't complain to open-e, take up the issue with the ISO group.



    *MIB II is defined in RFC 1213 (http://tools.ietf.org/html/rfc1213), which imports RFC 1155 (http://tools.ietf.org/html/rfc1155)

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