In New vSphere Client vSAN Storage Policy Rules are renamed. Lets discuss about what are the new names applicable in vSphere Client
These policy components to determine fault tolerance:-
Site disaster tolerance: Governs fault tolerance between sites.
Failures to tolerate: Governs fault tolerance within each site.
Site Disaster Tolerance
1. None-Standard Cluster = This keeps the data only in one site.
2. None-Standard Cluster with nested fault domains = This Policy keeps the data across fault domains.
3. Dual Site Mirroring (Stretched Cluster) = vSAN maintains replicas of each component on both sites. If the preferred site goes down, the replica on the other site is available to continue operations.
4. None-Keep the data on Preferred (Stretched Cluster) = All components of an object are kept within the preferred site. Use this policy with DRS rules to restrict the VM compute resource to the preferred site hosts.
5. None-Keep the data on Non-Preferred (Stretched Cluster) = All components of an object are kept within the non-preferred site.Use this policy with DRS rules to restrict the VM compute resource to the non-preferred site hosts.
6. None-Stretched Cluster = This policy localizes object components to one site or the other, based on the balance of data between sites.
Failures to Tolerate
1. No Data Redundancy = This is equivalent to PFTT=0
2. 1 Failure -RAID-1 (Mirroring)
3. 2 Failures -RAID-1 (Mirroring)
4. 3 Failures -RAID-1 (Mirroring)
5. 1 Failure -RAID-5 (Erasure Coding)
6. 2 Failures -RAID-6 (Erasure Coding)
For Rest of the rules configuration in your storage policies Use "Advanced Policy Rules" Tab
These policy components to determine fault tolerance:-
Site disaster tolerance: Governs fault tolerance between sites.
Failures to tolerate: Governs fault tolerance within each site.
Site Disaster Tolerance
1. None-Standard Cluster = This keeps the data only in one site.
2. None-Standard Cluster with nested fault domains = This Policy keeps the data across fault domains.
3. Dual Site Mirroring (Stretched Cluster) = vSAN maintains replicas of each component on both sites. If the preferred site goes down, the replica on the other site is available to continue operations.
4. None-Keep the data on Preferred (Stretched Cluster) = All components of an object are kept within the preferred site. Use this policy with DRS rules to restrict the VM compute resource to the preferred site hosts.
5. None-Keep the data on Non-Preferred (Stretched Cluster) = All components of an object are kept within the non-preferred site.Use this policy with DRS rules to restrict the VM compute resource to the non-preferred site hosts.
6. None-Stretched Cluster = This policy localizes object components to one site or the other, based on the balance of data between sites.
Failures to Tolerate
1. No Data Redundancy = This is equivalent to PFTT=0
2. 1 Failure -RAID-1 (Mirroring)
3. 2 Failures -RAID-1 (Mirroring)
4. 3 Failures -RAID-1 (Mirroring)
5. 1 Failure -RAID-5 (Erasure Coding)
6. 2 Failures -RAID-6 (Erasure Coding)
For Rest of the rules configuration in your storage policies Use "Advanced Policy Rules" Tab
No comments:
Post a Comment