Witness sizing guide for aCloud stretched cluster
  

CheneyHu Lv2Posted 05 May 2019 16:50

Configurationrequirements for witness node
  

Witness  node

  
  

Small-scale  deployment (4-6 aCloud nodes, 2-3 nodes at each site)

  
  
Support virtual deployment on VMware and physical  deployment
  
CPU: 6 threads
  
RAM: 8GB
  

Witness disk:  capacity > 100GB, performance >=1000 IOPS

  
  
Medium-size deployment (8-16 aCloud nodes, 4-8 nodes at  each site)
  
  
  
Physical deployment is highly recommended
  
CPU: 8 threads
  
RAM: 16GB
  

Witness disk:  configure RAID1 with 2 pieces of 128GB or 256GB enterprise-grade SSDs

  
  
Large-scale deployment
  

(18-24 aCloud nodes, 9-12 nodes at each  site)

  
  
Physical deployment is highly recommended
  
CPU: 10 threads
  
RAM: 24GB
  

Witness disk:  configure RAID1 with 2 pieces of 128GB or 256GB enterprise-grade SSDs

  

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Faisal Posted 09 Sep 2021 09:25
  
Thank you very much for the information ...
Erickson Santos Lv1Posted 20 Feb 2020 17:15
  
does the witness node need to run aSV also?