Hardware manual

12 TITAN SILICONSERVER HARDWARE MANUAL
• Storage Subsystem
A storage cabinet containing the Titan SiliconServer can hold a maximum of nine storage
enclosures. A maximum of 13 storage enclosures can be placed in an expansion cabinet. Titan
supports the following storage enclosures:
The subsystem can support Fibre Channel and ATA disk subsystems which comprise of:
º FC-16: A storage enclosure containing 16 Fibre Channel disk drives. In the subsystem,
one storage enclosure serves as the main enclosure (storage controller) and contains dual
RAID controllers. Each RAID controller has two RAID host ports and a single expansion
port. The RAID controller host ports connect to the Fibre Channel switches, while the
expansion port can be used to connect to Loop Resiliency Circuit (LRC) modules in other
enclosures, which serve as expansion enclosures. Expansion enclosures are fitted with dual
LRC modules. A RAID controller pair can support an array of up to 64 drives.
Storage
Tier
Supported
Enclosures
Storage
Technology
Disk
RPM
RAID
Technology
Performance
Characteristics
Tier 1 FC-14,
FC-16
Dual ported
FC disks
15,000 RAID 5;
RAID 1/5/10
Very high
performance
Tier 2 FC-14,
FC-16
Dual ported
FC disks
10,000 RAID 5;
RAID 1/5/10
High
performance
Tier 3 SA-14,
AT-14
SATA disks
PATA d i s k
7,200 RAID 5 Nearline
performance
Tier 4 AT-14,
AT-42
PATA d i s ks 5,4 0 0 RA I D 5 Ar c h iv a l
Tier 5 N/A Tape NA N/A Long term
storage
FC-16