Chapter 1: System Description
Drive Storage
Quantum DXi6900 User’s Guide 28
Figure10:DXi6900-S Node Drive Slot Numbering
1-SDDSlot0 5-SDDSlot4 9-SDDSlot8 13-SDDSlot12
2-SDDSlot1 6-SDDSlot5 10-SDDSlot9 
3-SDDSlot2 7-SDDSlot6 11-SDDSlot10 
4-SDDSlot3 8-SDDSlot7 12-SDDSlot11 
Virtual Tape Storage
A virtual tape storage or virtual tape library (VTL) presentation allows the storage space on these hard
drives to appear to the backup application as tape cartridges (DLT or LTO). Data is stored on the hard drives
through an interface that appears as a tape library, with virtual cartridges, virtual drives, and a virtual
changer mechanism. A DXi6900 can be configured to present multiple VTL interfaces of different sizes and
types at once. This allows backup applications to recognize and integrate a DXi series system into a data
center environment just like one or more physical tape libraries.
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