The Veritas 2U12 49TB Storage Shelf also contains two Storage Bay Bridge 2.1
compliant (SBB) Input/Output (I/O) modules. Each I/O module has three SAS-3
ports, which are labeled A, B, and C. As such, each storage shelf contains a total
of six SAS-3 I/O ports. However, only ports A and B of each I/O module are used
to connect the storage shelf to the appliance or other storage shelves.
Each I/O module also includes one Ethernet port and a 3.5mm RS232
Interface-to-Enclosure Services Processor jack. The Ethernet port and the RS232
jack are only used during on-site debugging operations. They are not used during
normal appliance operations.
Along with the I/O modules and the disk drives, the Veritas 2U12 49TB Storage
Shelf also includes a front control panel. The control panel provides LED indications
of the health of the storage shelf. It uses a dual seven segment display for enclosure
identification and a switch that is used for storage shelf configuration purposes.
The Veritas 2U12 49TB Storage Shelf serial number appears on a plastic panel on
the left side of Power Cooling Module 0 (PCM 0). The storage shelf serial number
begins with the letters SH.
See “Veritas 2U12 49TB Storage Shelf front panel components” on page 34.
See “Veritas 2U12 49TB Storage Shelf rear components” on page 38.
See “Veritas 2U12 49TB Storage Shelf control panel” on page 36.
Usable appliance storage capacities
Table 2-1
Usable storage capacities - NetBackup 5240 Appliance and
Veritas 2U12 49TB Storage Shelves
Appliance
and six
storage
shelves
Appliance
and five
storage
shelves
Appliance
and four
storage
shelves
Appliance
and three
storage
shelves
Appliance
and two
storage
shelves
Appliance
and one
storage
shelf
Storage
shelf
capacity
Appliance
only
298TB249TB200TB151TB102TB53TB49TB4TB
308TB259TB210TB161TB112TB63TB49TB14TB*
321TB272TB223TB174TB125TB76TB49TB27TB*
33About the Veritas 2U12 49TB Storage Shelf
Veritas 2U12 49TB Storage Shelf overview
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