Date: Wed, 31 Aug 2011 10:45:36 GMT From: David Robertson <david.robertson@adestra.com> To: freebsd-gnats-submit@FreeBSD.org Subject: ports/160329: net-snmp UCD-SNMP-MIB::dskTable does not report correct disk usage Message-ID: <201108311045.p7VAjaD0093446@red.freebsd.org> Resent-Message-ID: <201108311050.p7VAoADW016324@freefall.freebsd.org>
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>Number: 160329 >Category: ports >Synopsis: net-snmp UCD-SNMP-MIB::dskTable does not report correct disk usage >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-ports-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Aug 31 10:50:10 UTC 2011 >Closed-Date: >Last-Modified: >Originator: David Robertson >Release: FreeBSD 8.2 >Organization: Adestra Ltd >Environment: FreeBSD bloater.adestra.com 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Thu Feb 17 02:41:51 UTC 2011 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 >Description: Hi, As of net-snmp 5.7 - 5.7_2 disk space is incorrectly reported. Any ideas what is going wrong here. The /usr partition is being reported as having -8% free. FreeBSD 8.2 net-snmp 5.7_2 snmpd.conf contains disk / 10% disk /tmp 10% disk /var 10% disk /usr 10% df -h Filesystem Size Used Avail Capacity Mounted on /dev/mfid0s1a 989M 315M 595M 35% / /dev/mfid0s1e 9.7G 12K 8.9G 0% /tmp /dev/mfid0s1f 209G 46G 147G 24% /usr /dev/mfid0s1d 19G 1.4G 16G 8% /var snmpwalk -v 2c -c public localhost UCD-SNMP-MIB::dskTable UCD-SNMP-MIB::dskIndex.1 = INTEGER: 0 UCD-SNMP-MIB::dskIndex.2 = INTEGER: 1 UCD-SNMP-MIB::dskIndex.3 = INTEGER: 2 UCD-SNMP-MIB::dskIndex.4 = INTEGER: 3 UCD-SNMP-MIB::dskPath.1 = STRING: / UCD-SNMP-MIB::dskPath.2 = STRING: /tmp UCD-SNMP-MIB::dskPath.3 = STRING: /var UCD-SNMP-MIB::dskPath.4 = STRING: /usr UCD-SNMP-MIB::dskDevice.1 = STRING: /dev/mfid0s1a UCD-SNMP-MIB::dskDevice.2 = STRING: /dev/mfid0s1e UCD-SNMP-MIB::dskDevice.3 = STRING: /dev/mfid0s1d UCD-SNMP-MIB::dskDevice.4 = STRING: /dev/mfid0s1f UCD-SNMP-MIB::dskMinimum.1 = INTEGER: -1 UCD-SNMP-MIB::dskMinimum.2 = INTEGER: -1 UCD-SNMP-MIB::dskMinimum.3 = INTEGER: -1 UCD-SNMP-MIB::dskMinimum.4 = INTEGER: -1 UCD-SNMP-MIB::dskMinPercent.1 = INTEGER: 10 UCD-SNMP-MIB::dskMinPercent.2 = INTEGER: 10 UCD-SNMP-MIB::dskMinPercent.3 = INTEGER: 10 UCD-SNMP-MIB::dskMinPercent.4 = INTEGER: 10 UCD-SNMP-MIB::dskTotal.1 = INTEGER: 1012974 UCD-SNMP-MIB::dskTotal.2 = INTEGER: 10154158 UCD-SNMP-MIB::dskTotal.3 = INTEGER: 20308398 UCD-SNMP-MIB::dskTotal.4 = INTEGER: 219227030 UCD-SNMP-MIB::dskAvail.1 = INTEGER: 609596 UCD-SNMP-MIB::dskAvail.2 = INTEGER: 9341814 UCD-SNMP-MIB::dskAvail.3 = INTEGER: 17233700 UCD-SNMP-MIB::dskAvail.4 = INTEGER: 153871682 UCD-SNMP-MIB::dskUsed.1 = INTEGER: 322342 UCD-SNMP-MIB::dskUsed.2 = INTEGER: 12 UCD-SNMP-MIB::dskUsed.3 = INTEGER: 1450028 UCD-SNMP-MIB::dskUsed.4 = INTEGER: 47817186 UCD-SNMP-MIB::dskPercent.1 = INTEGER: 31 UCD-SNMP-MIB::dskPercent.2 = INTEGER: 0 UCD-SNMP-MIB::dskPercent.3 = INTEGER: 7 UCD-SNMP-MIB::dskPercent.4 = INTEGER: -17 UCD-SNMP-MIB::dskPercentNode.1 = INTEGER: 1 UCD-SNMP-MIB::dskPercentNode.2 = INTEGER: 0 UCD-SNMP-MIB::dskPercentNode.3 = INTEGER: 4 UCD-SNMP-MIB::dskPercentNode.4 = INTEGER: 1 UCD-SNMP-MIB::dskTotalLow.1 = Gauge32: 1012974 UCD-SNMP-MIB::dskTotalLow.2 = Gauge32: 10154158 UCD-SNMP-MIB::dskTotalLow.3 = Gauge32: 20308398 UCD-SNMP-MIB::dskTotalLow.4 = Gauge32: 219227030 UCD-SNMP-MIB::dskTotalHigh.1 = Gauge32: 0 UCD-SNMP-MIB::dskTotalHigh.2 = Gauge32: 0 UCD-SNMP-MIB::dskTotalHigh.3 = Gauge32: 0 UCD-SNMP-MIB::dskTotalHigh.4 = Gauge32: 0 UCD-SNMP-MIB::dskAvailLow.1 = Gauge32: 609596 UCD-SNMP-MIB::dskAvailLow.2 = Gauge32: 9341814 UCD-SNMP-MIB::dskAvailLow.3 = Gauge32: 17233700 UCD-SNMP-MIB::dskAvailLow.4 = Gauge32: 153871682 UCD-SNMP-MIB::dskAvailHigh.1 = Gauge32: 0 UCD-SNMP-MIB::dskAvailHigh.2 = Gauge32: 0 UCD-SNMP-MIB::dskAvailHigh.3 = Gauge32: 0 UCD-SNMP-MIB::dskAvailHigh.4 = Gauge32: 0 UCD-SNMP-MIB::dskUsedLow.1 = Gauge32: 322342 UCD-SNMP-MIB::dskUsedLow.2 = Gauge32: 12 UCD-SNMP-MIB::dskUsedLow.3 = Gauge32: 1450028 UCD-SNMP-MIB::dskUsedLow.4 = Gauge32: 47817186 UCD-SNMP-MIB::dskUsedHigh.1 = Gauge32: 0 UCD-SNMP-MIB::dskUsedHigh.2 = Gauge32: 0 UCD-SNMP-MIB::dskUsedHigh.3 = Gauge32: 0 UCD-SNMP-MIB::dskUsedHigh.4 = Gauge32: 0 UCD-SNMP-MIB::dskErrorFlag.1 = INTEGER: noError(0) UCD-SNMP-MIB::dskErrorFlag.2 = INTEGER: noError(0) UCD-SNMP-MIB::dskErrorFlag.3 = INTEGER: noError(0) UCD-SNMP-MIB::dskErrorFlag.4 = INTEGER: error(1) UCD-SNMP-MIB::dskErrorMsg.1 = STRING: UCD-SNMP-MIB::dskErrorMsg.2 = STRING: UCD-SNMP-MIB::dskErrorMsg.3 = STRING: UCD-SNMP-MIB::dskErrorMsg.4 = STRING: /usr: less than 10% free (= -8%) Many thanks for any assistance. Regards David >How-To-Repeat: >Fix: --- agent/mibgroup/ucd-snmp/disk_hw.c 2011-08-31 11:22:10.000000000 +0100 +++ agent/mibgroup/ucd-snmp/disk_hw.c 2011-08-31 11:28:27.000000000 +0100 @@ -245,7 +245,7 @@ static int _percent( int value, int total ) { - return (int)( value * 100 ) / total; + return (int)( value / (total / 100)); } static netsnmp_fsys_info ** >Release-Note: >Audit-Trail: >Unformatted:
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