iSCSI Tuning Parameters

NCM and NCS share the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Nimble Storage\Connections. It includes the following parameters:

• MinConnectionsPerTarget: For Volume Scoped and Group Scoped, specifies the minimum number of connections per target.

• MaxConnectionsPerTarget: For Volume Scoped Targets, specifies the maximum number of connections per target.

• MaxConectionsPerTargetGST: For Group Scoped Targets, specifies the maximum number of connections per target.

• MaxWorkingIscsiConnections: Specifies the maximum number of iSCSI connections NCM/NCS are allowed to use. The default value is 250.

• WaitIntervalInMilliseconds: Used by the Nimble Connection Service (NCS). Specifies the number of seconds between each rebalance. The default value is 2 minutes. Every two minutes, NCS wakes up and deteremines whether to add or remove any connections to maintain the optimal connection count.

• ConnectionsPerTargetGST

  • Min: 2
  • Max: 32
  • Default: 32

• ConnectionsPerTarget

  • Min : 2
  • Max : 8
  • Default : 8