Learn how to identify and resolve Isilon network performance issues caused by incorrect gateway priority after configuring a replication network.
Table of Contents
Question
A company deployed an Isilon cluster that consists of eight nodes connected to a main production subnet by all available 10GB ports. Later, the company decided to implement a disaster recovery solution with a separate replication subnet. During the reconfiguration, one of the 10Gb ports from each of the nodes 1-4 was moved into the new pool and SBR was activated.
After activating the replication policies, the administrator noticed that the main production ports on nodes 1-4 reached the bandwidth limit. What is a possible reason for this behavior?
A. Default gateway for the replication subnet has a higher priority value.
B. Default gateway for the replication subnet is not specified.
C. Default gateway for the replication subnet has a lower priority value.
D. Main production ports have a smaller bandwidth limit than replication ports.
Answer
A. Default gateway for the replication subnet has a higher priority value.
Explanation
When multiple gateways are available, the one with the highest priority value becomes the default route for all traffic, including production traffic. This leads to production data traversing the replication network, causing congestion and reaching the bandwidth limit.
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