HP OneView for Red Hat Enterprise Virtualization Troubleshooting, Unable to receive Snmp traps

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9 Troubleshooting

This chapter outlines solutions for situations you may encounter while using HP Insight Control for RHEV.

Host information does not appear after discovery

You may experience problems during Discovery of an OA or iLO, or you may find that information for the device does not appear.

Suggested action

To view the OA or iLO discovery information:

1.Click the HP Insight Control button at the top of the RHEV window.

2.Click Newsfeed to view any error messages regarding discovery.

Error message: Exceeded the maximum number of SSO certificates”

Suggested action

Select one of these solutions:

Delete one or more of the existing certificates from the OA and initiate Discovery again, or

Deselect the Discovery option to use Single Sign On, then initiate Discovery again.

Discovery error message “Failed to import the certificate”

Suggested action

Select one of these solutions:

Delete one or more of the existing certificates from the iLO and initiate Discovery again, or

Deselect the Discovery option and use Single Sign On, then initiate Discovery again.

Unable to receive SNMP traps

In order to receive SNMP traps, the iptables settings must be adjusted to allow UDP port 162 through the input firewall.

Suggested action

Add the following line to the INPUT section of /etc/sysconfig/iptables:

-A INPUT -p udp -m state --state NEW -m udp --dport 162 -j ACCEPT

Certification error is generated during installation

If the HP Insight Control for RHEV dependent product hpcs (hpcs-7.3.5.x) is uninstalled, then the HP Insight Control for RHEV database must be manually deleted before installing a new version of HP Insight Control for RHEV. If the database is not deleted prior to installing a new version (or reinstalling the same version), a certification error will be generated.

Suggested action

The following script can be used to back up and delete the database:

$ sh /opt/hp/hpcs-7.3.5.x/db_uninstall.sh.

36 Troubleshooting

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Contents Version AbstractAcknowledgments Contents Uninstalling the HP Insight Control for Rhev database Page HP Insight Control for Rhev GUI HP Insight Control for Rhev host information tabs HP Insight Control for Rhev host information tab detailsHP Insight Control for Rhev Actions toolbar HP Insight Control for Rhev toolbar iconsInstallation and discovery Prerequisites for installing HP Insight Control for RhevInstalling and configuring HP Insight Control for Rhev Root@rhevm ~# hpicrhevsetup.py Discovering hosts Installation and discovery Credentials tab Communication Status tabSee also Global Newsfeed tab Firmware tab Overview tab Newsfeed tab Host tabPage Enclosure tab Page HP Insight Control for Rhev Networking configuration display Networking tabInterpreting the networking data diagram details Managing your HP ProLiant systems Monitoring system events and taking corrective actionControlling devices and linking to HP management tools HP Insight Control for Rhev status iconsControlling the server power Using the Single-Sign-On iLO Web interfaceUsing the Single-Sign-On iLO Remote Console Controlling the server UID lightUsing Online Help Using the Reports iconAccessing HP’s Insight Control Web Accessing the Virtual Connect loginManaging discovery credentials Creating user credentialsCreating user credentials Updating user credentials Deleting user credentialsViewing entity traps in RHEV-M Installing support for reporting Configure support for HP Insight Control for Rhev reportingGenerating reports Creating ad hoc reportsCreating ad hoc reports Customizing the fields in an ad hoc report Adding a title to an ad hoc report Creating and viewing the VCProfiles reportGenerating reports Database backup Troubleshooting Discovery error message Failed to import the certificateCertification error is generated during installation Host information does not appear after discoveryUninstalling HP Insight Control for Rhev Uninstalling the HP Insight Control for Rhev GUIUninstalling the HP Insight Control for Rhev database Subscription Service Support and other resourcesContacting HP Typographic conventionsCustomer self repair Documentation feedback Turkey RoHS material content declaration Ukraine RoHS material content declarationWarranty information Regulatory informationGlossary Rhev