HOW TO test the network packet success rate; useful for RAC testing between nodesThis is a featured page

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Revision Date: 05-Dec-2005 Keywords: HOWTO, TEST NETWORK PACKET SPRAY RAC

Goal
To test the network packet success rate; useful for RAC testing between nodes

Facts


Solution
There is a unix commandspraythat will spray a number of packets from one node on a network to another node on the network, and work out how many packets have been dropped in the process. Initially, you need to set up a daemon on the receiving node that will be able to receive the test packets using the command:

/usr/lib/netsvc/spray/rpc.sprayd

Then, you run the following command tospraysome packets across the network to the other node.

/usr/sbin/spray -c <number_of_packets> -l <packet_length_in_bytes> <network_node_service_name>

for example:

/usr/sbin/spray -c 1000 -l 8192 spike_rac_svc

Here, the value spike_rac_svc references the RAC InterConnect, and it defined in the unix hosts file.

Try looking up help form the commands:
man spray
man sprayd



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Keyword tags: HOWTO RAC SPRAY TEST NETWORK PACKET
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