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VMs behavior when disks fault on 2 different nodes

  • October 27, 2020
  • 4 replies
  • 1330 views

Anton Lushchykau

Hello, 

Regarding to this question https://next.nutanix.com/how-it-works-22/disk-fault-tollerance-8822, What will happen to VMs in a cluster with RF2 when 1 drive failed on 2 different hosts? Will be any data loss or no? Will VMs reboot?

Thanks!

Best answer by Alona

There is a potential of data loss in this situation. There a risk that the both disks carry both copies of the same chunk of data making this data non-recoverable.

In terms of how this affects VMs, it depends on what kind of data that was. VMs that rely on that data or own it may hang, crash, fail to boot.

This topic has been closed for replies.

4 replies

Alona
Nutanix Employee
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  • Nutanix Employee
  • 426 replies
  • November 5, 2020

Hi Anton,

To understand clearly what you are asking is what will happen in an RF-2 cluster with all nodes running but with 2 disks failures on different nodes. Is that correct?


Anton Lushchykau

Hello, Alona. yes. I want to know what will be with data and VM?


Alona
Nutanix Employee
Forum|alt.badge.img+5
  • Nutanix Employee
  • 426 replies
  • Answer
  • November 5, 2020

There is a potential of data loss in this situation. There a risk that the both disks carry both copies of the same chunk of data making this data non-recoverable.

In terms of how this affects VMs, it depends on what kind of data that was. VMs that rely on that data or own it may hang, crash, fail to boot.


Anton Lushchykau

Alona, thanks