Re: netsnmp-5.4.2.1 and Solaris 10/X86 with ZFS

Yes.  we have some highly transactional file systems which we monitor. If 
they
go over 10-15% use, it indicates a problem and we need to move quickly to
resolve the issue.  The file systems in question are small SSD's so if we 
hit
10%, we don't have long before we could be dealing with an outage.





"Brian A. Seklecki" <[email protected]> 
02/25/2009 07:28 PM

To
[email protected]
cc
[email protected], [email protected], 
[email protected]
Subject
Re: netsnmp-5.4.2.1 and Solaris 10/X86 with ZFS








Isn't the "##%" supposed to indicate the "percent free to warn at"

So, "10%" would send an SNMP trap at, or below, 10% free on the partition
mounpoint?

At least that's the way it works on *BSD.

  ~BAS
Ben, 

Your statement is correct. 

Thanks 




Ben Taylor/SYBASE 
02/25/2009 11:41 AM 


To
[email protected] 
cc
Bechara Rizk/SYBASE@SybaseNotes, Gordon Douglass/SYBASE@SybaseNotes 
Subject
netsnmp-5.4.2.1 and Solaris 10/X86 with ZFS








I have built a rather stock netsnmp-5.4.2.1 for our environment, and now 
the local EM7 
guy is complaining that our ZFS file system isn't getting monitored like 
it should. 

Here's the basics from the snmpd.conf file: 

disk /backup 95% 
disk /opt 99% 

After restarting snmpd, I get the following response: 

# snmpwalk -v 2c -c localhost localhost dsk 

UCD-SNMP-MIB::dskIndex.1 = INTEGER: 1 
UCD-SNMP-MIB::dskIndex.2 = INTEGER: 2 
UCD-SNMP-MIB::dskPath.1 = STRING: /backup 
UCD-SNMP-MIB::dskPath.2 = STRING: /opt 
UCD-SNMP-MIB::dskDevice.1 = STRING: backup 
UCD-SNMP-MIB::dskDevice.2 = STRING: /dev/md/dsk/d50 
UCD-SNMP-MIB::dskMinimum.1 = INTEGER: -1 
UCD-SNMP-MIB::dskMinimum.2 = INTEGER: -1 
UCD-SNMP-MIB::dskMinPercent.1 = INTEGER: 95 
UCD-SNMP-MIB::dskMinPercent.2 = INTEGER: 99 
UCD-SNMP-MIB::dskTotal.2 = INTEGER: 43705672 
UCD-SNMP-MIB::dskAvail.2 = INTEGER: 42299632 
UCD-SNMP-MIB::dskUsed.2 = INTEGER: 968983 
UCD-SNMP-MIB::dskPercent.2 = INTEGER: 2 
UCD-SNMP-MIB::dskPercentNode.2 = INTEGER: 0 
UCD-SNMP-MIB::dskErrorFlag.2 = INTEGER: error(1) 
UCD-SNMP-MIB::dskErrorMsg.2 = STRING: /opt: less than 99% free (= 2%) 


The df -k from the system in question looks like: 


Filesystem           1K-blocks      Used Available Use% Mounted on 
/dev/md/dsk/d10        2058319    151311   1845259   8% / 
swap                   8340536      1232   8339304   1% /etc/svc/volatile 
/dev/md/dsk/d60        8262869   4078888   4101353  50% /usr 
/platform/sun4u-us3/lib/libc_psr/libc_psr_hwcap1.so.1 
                       2058319    151311   1845259   8% 
/platform/sun4u-us3/lib/libc_psr.so.1 
/platform/sun4u-us3/lib/sparcv9/libc_psr/libc_psr_hwcap1.so.1 
                       2058319    151311   1845259   8% 
/platform/sun4u-us3/lib/sparcv9/libc_psr.so.1 
/dev/md/dsk/d30        8262869   1433292   6746949  18% /var 
swap                   8340888      1584   8339304   1% /tmp 
swap                   8339360        56   8339304   1% /var/run 
/dev/md/dsk/d50       43705673    968983  42299634   3% /opt 
/dev/md/dsk/d40        4133838    714268   3378232  18% /var/home 
backup               5615091147 3480248897 2134842251  62% /backup 


Seems like netsnmp isn't able to deal correctly with space on Solaris/ZFS. 


Am I wrong? 

Thanks,. 

Ben 
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-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
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-Receive a $600 discount off the registration fee with the source code: SFAD
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