Tip of the Day: SQL Server Tips for VDBs

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  • Updated 5 years ago
1. Number of VDBs per Delphix Engine:

Delphix 3.2.6 and older

Up to Delphix Engine 3.2.6, 85 VDBs is limited per Delphix Engine to a given Windows target server. This is due to 3 LUNs being assigned to each VDB and Windows having a limit of 255 LUNs per iSCSI target.
  1. Have multiple Windows target servers associated with a Delphix Engine 
  2. Have multiple Delphix Engines Associated with a Windows target server
Delphix 3.2.7 and newer From Delphix Engine 3.2.7 and newer, the number of VDBs per Delphix Engine to a given Windows target server is 255. This is due to reducing the number of LUNs to 1 per VDB.

2. Using Scripts:

  • For SQL Server dSources, pre- and post-scripts are incorporated into the validated sync process. 
  • For SQL Server single instance environments, scripts must exist and be readable on the staging environment.
  • Scripts can also be run as part of the SQL Server VDB provisioning process, in which case they must exist and be readable on the target environment.
  • For SQL Server, both dSource and VDB scripts can be either text or binary executables.
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Posted 5 years ago

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