Inaccessible or lost data in your critical production systems can mean lost revenue and often lost customers. You need dependable, secure computing that ensures that your data is continuously available. Volume Shadowing for OpenVMS transparently provides high data availability for your users and applications - including business-critical applications running in a client / server environment. Volume Shadowing for OpenVMS ensures that data remains accessible in the event of media deterioration or of controller, device, or interconnect failure. With Volume Shadowing, you can confidently run your business-critical applications and know that your data will always be available when and where it is needed.