An administrator arrives at work and begins their morning checks on a four node, all-flash vSAN Cluster.
They notice the vSAN datastore reached 99% capacity due to a single node failure.
How can the administrator provide temporary relief?
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A. B. C. D.B.
In this scenario, the vSAN datastore has reached 99% capacity due to a single node failure. This means that the data redundancy level is reduced and if another node fails, there may be a risk of data loss. To provide temporary relief, the administrator can change the Failure Tolerance Method (FTM) for the virtual machines in the cluster.
The FTM determines the level of data redundancy in the vSAN cluster. There are two options for FTM: RAID-1 (mirroring) and RAID-5/6 (erasure coding). RAID-1 mirrors the data across two or more disks, while RAID-5/6 uses a parity-based algorithm to distribute the data across multiple disks.
Option A: Change FTT=1 with RAID-5 (Erasure coding) to FTT=1 with RAID-1 (Mirroring) This option would increase the data redundancy level by changing from erasure coding to mirroring. However, this would also require more disk space as data is being duplicated across disks.
Option B: Change FTT=1 with RAID-1 (Mirroring) to FTT=1 with RAID-5 (Erasure coding) This option would decrease the data redundancy level by changing from mirroring to erasure coding. This would free up some disk space but may increase the risk of data loss in case of another node failure.
Option C: Change FTT=1 with RAID-1 (Mirroring) to FTT=0 No data redundancy This option would completely disable data redundancy, which would provide temporary relief by freeing up disk space. However, this would increase the risk of data loss and is not recommended.
Option D: Change FTT=1 with RAID-5 (Erasure coding) to FTT=0 No data redundancy. This option would also completely disable data redundancy, which would provide temporary relief by freeing up disk space. However, this would increase the risk of data loss and is not recommended.
Therefore, the best option for temporary relief would be to select option A and change the FTT=1 with RAID-5 (Erasure coding) to FTT=1 with RAID-1 (Mirroring). This would increase the data redundancy level and provide some relief until the failed node is replaced.