# LogConsistencyProvider Properties

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.eventsourcing/orleans.eventsourcing.customstorage.logconsistencyprovider/)

## PrimaryCluster {#primarycluster-3f920d3a}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.eventsourcing/orleans.eventsourcing.customstorage.logconsistencyprovider/properties/primarycluster-3f920d3a/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.EventSourcing/CustomStorage/LogConsistencyProvider.cs#L25)

```csharp
public string PrimaryCluster
```

Specifies a cluster id of the primary cluster from which to access storage exclusively, null if storage should be accessed directly from all clusters.

## UsesStorageProvider {#usesstorageprovider-f00d4ec1}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.eventsourcing/orleans.eventsourcing.customstorage.logconsistencyprovider/properties/usesstorageprovider-f00d4ec1/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.EventSourcing/CustomStorage/LogConsistencyProvider.cs#L28)

```csharp
public bool UsesStorageProvider
```

Returns true if a storage provider is required for constructing adaptors.