Exhibit 4.0-1 Once the server sends a command to the FibreBridge for extended copy, the FibreBridge manages the
backup procedure, by-passing the server.
Server
Serverless Backup Agent
Serverless backup in a SAN
Host
Serverless Backup Application
Fibre Channel SAN
Disk Array
Server storage
Data path
ATTO FibreBridge
Data Mover
Data path
SCSI tape
SCSI tape backup device
Serverless backup
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