EMC CX600 Configuration Guide - Page 134
SAN with Shared Tape Drives
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February 3, 2003 EMC CLARiiON Open Systems Configuration Guide SAN with Shared Tape Drives A shared tape drive is a drive within a library that is dynamically and temporarily associated with a backup client. An option module is usually required from the backup software supplier to implement shared tape drives. In a LAN free, SAN topology, the backup server is connected through the SAN to EMC CLARiiON storage systems. In this configuration, client backup data flows from the EMC CLARiiON storage systems through the SAN into the clients, and then back out through the SAN, through a Fibre-Channel-to-SCSI bridge, and out to the tape library. Backup data owned by the backup server flows from the EMC CLARiiON storage systems through the SAN into the backup server, and then back out through the SAN, through a Fibre-Channel-to-SCSI bridge, and out to the tape library. LAN Not involved in backup process Backup Client (Application or Database Server) Backup Client (Application or Database Server) Backup Server Legend Backup Data Backup Control Data SAN LUN LUN LUN LUN LUN LUN LUN LUN CLARiiON Storage System LUN LUN LUN LUN LUN LUN LUN LUN CLARiiON Storage System LUN (Index) LUN LUN LUN LUN LUN LUN LUN CLARiiON Storage System Note: The LUN (Index) is the LUN holding the backup server's index catalog information. Fibre-Channel-to-SCSI Bridge Tape Library Tape Drive Tape Drive Tape Drive Document Rev 19 Page 134 EMC Confidential
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