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vSan SPBM Cheat Sheet (Stretched Cluster)

Before accepting this page as a reference, I strongly suggest you to review the article I wrote about SPBM again. You can  find the page here.

  • Stretched Cluster – In Site RAID1
  • The data is also written to both sites, and the site is also maintained in RAID1, (3 servers per site)
  • Storage Type -> VSAN
  • Primary level of failures to tolerate -> 1
  • Secondary level of failures to tolerate -> 1
  • Failure tolerance Method -> RAID-1 (MirroringPerformance)

  • Stretched Cluster – In Site RAID5
  • The data is also written to both sites, and the site is also maintained in the RAID5. (4 servers per site)
  • Storage Type -> VSAN
  • Primary level of failures to tolerate -> 1
  • Secondary level of failures to tolerate -> 1
  • Failure tolerance Method –> RAID-5/6 (Erasure Coding) – Capacity

  • Stretched Cluster – In Site RAID6
  • The data is written to both sites, and the site is also maintained in the RAID6. (6 servers per site)
  • Storage Type -> VSAN
  • Primary level of failures to tolerate -> 1
  • Secondary level of failures to tolerate -> 2
  • Failure tolerance Method –> RAID-5/6 (Erasure Coding) – Capacity

  • Data Locality Preferred – RAID1
  • Data is held on the Preferred site and is maintained as RAID1, and no data is retained on the other site.
  • Storage Type -> VSAN
  • Primary level of failures to tolerate -> 0
  • Secondary level of failures to tolerate -> 1
  • Data locality –> Preferred Fault Domain (Stretched)
  • Failure tolerance Method -> RAID-1 (Mirroring – Performance)
  • Data Locality Preferred – RAID5
  • Data is held on the Preferred site and is maintained as RAID5, no data is retained on the other site.
  • Storage Type -> VSAN
  • Primary level of failures to tolerate -> 0
  • Secondary level of failures to tolerate -> 1
  • Data locality –> Preferred Fault Domain (Stretched)
  • Failure tolerance Method –> RAID-5/6 (Erasure Coding) – Capacity
  • Data Locality Preferred – RAID6
  • Data is kept on the Preferred site and is maintained as RAID6, no data is retained on the other site.
  • Storage Type-> VSAN
  • Primary level of failures to tolerate -> 0
  • Secondary level of failures to tolerate -> 2
  • Data locality –> Preferred Fault Domain (Stretched)
  • Failure tolerance Method –> RAID-5/6 (Erasure Coding) – Capacity
  • Data Locality Secondary – RAID1
  • Data is held on the Secondary site and is maintained as RAID1, and no data is retained on the other site.
  • Storage Type -> VSAN
  • Primary level of failures to tolerate -> 0
  • Secondary level of failures to tolerate -> 1
  • Data locality –> Secondary Fault Domain
  • Failure tolerance Method -> RAID-1 (Mirroring – Performance)
  • Data Locality Secondary – RAID5
  • Data is held on the Secondary site and is maintained as RAID5, and no data is retained on the other site.
  • Storage Type -> VSAN
  • Primary level of failures to tolerate -> 0
  • Secondary level of failures to tolerate -> 1
  • Data locality –> Secondary Fault Domain
  • Failure tolerance Method –> RAID-5/6 (Erasure Coding) – Capacity
  • Data Locality Secondary – RAID 6
  • Data is held on the Secondary site and is maintained as RAID6, and no data is retained on the other site.
  • Storage Type -> VSAN
  • Primary level of failures to tolerate -> 0
  • Secondary level of failures to tolerate -> 2
  • Data locality –> Secondary Fault Domain
  • Failure tolerance Method –> RAID-5/6 (Erasure Coding) – Capacity



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