Table of Contents
Advertisement
Appendix G: Troubleshooting
Clients Time Out Trying to Contact a Virtual Cluster
Equalizer is not gatewaying reply packets from the server
Log on to the server(s) and check the routing tables. Perform a
routing until Equalizer's address shows up in the
All packets sent from the server back to clients must pass through Equalizer unless the spoof cluster
option is disabled.
Test client is on the same network as the servers
If the test client is on the same network as the servers, the servers will probably try to send data packets directly to
the client, bypassing Equalizer. You can correct this by adding host routes on the servers so that the servers send
their reply packets via Equalizer.
No active servers in the virtual cluster
Possible solutions:
•
Check the Equalizer Summary page. Are there any servers in that virtual cluster? Are all the servers marked
DOWN?
•
Log onto the server an run the
connections in the SYN-RCVD state, the server is not forwarding its reply packets to Equalizer.
Equalizer is not active
Is Equalizer functioning? Try to
Respond to Pings to the Admin Address" provides additional troubleshooting information.
Primary and Backup Equalizer Are in a Conflict Over Primary
Certain switches (often those from Cisco and Dell) have Spanning Tree enabled by default. This can cause a delay in
the times that the network is accessible and cause the backup Equalizer to enter into failover mode. If you cannot
disable Spanning Tree, enable FastPort for all ports connected to the Equalizers.
Backup Equalizer Continues to Boot
Primary and Backup Equalizer Are in a Conflict over Primary
Certain Dell and Cisco switches have Spanning Tree enabled by default. This can cause a delay in the times that the
network is accessible and cause the backup Equalizer to enter into failover mode. If you cannot disable Spanning
Tree, enable PortFast for all ports connected to the Equalizers.
Can't View Equalizer Administration Pages
Equalizer is not active
Is Equalizer functioning? Try to
doesn't respond to pings to the admin address" below, which provides additional troubleshooting information.
308
traceroute
command (Unix servers). If the
netstat
the administration address. If you do not get a response, "Equalizer Doesn't
ping
the administration address. If you do not get a response, see "Equalizer
ping
from the server to the client. Adjust the
traceroute
output.
netstat
Equalizer Installation and Administration Guide
output shows
Hide quick links:
Advertisement
Table of Contents
