Question

When cluster has no free space, does data rebuilding occur

  • 14 April 2021
  • 0 replies
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Hello Community!!

 

I'd like to discuss an ambiguous issue.

There is an 3-nodes Hybrid Storage AHV cluster set to RF2.

 

In this case, each node has 70% storage usage. 

Each node’s storage capacity is same.

Of course, it's 70 percent overall.

The data resiliency status is critical.

That cluster has enough CPU and memory.

 

The problem comes up from here.

If one node goes down, will data rebuild occur?

If data rebuilding occurs, the total cluster capacity will be over 95%.

That would cause problems with the cluster's IO.

 

Is there anyone who can clearly tell me how the cluster works in the event of a failure in that situation.


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