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Storage Management
140
Titan SiliconServer
Introduction
The Titan SiliconServer has an architecture involving several storage components including
Storage Pools
,
Silicon File Systems
, and
Virtual Volumes
. These storage resources are
supplemented by a flexible
quota management
system for managing the utilization of these
storage resources and a
data migration service
, which optimizes the available storage resources.
This chapter describes each of these storage components and functions in detail.
The following diagram illustrates a simplified view of the architecture:
System Drives
System Drives (SDs) are the basic storage element used by the Titan SiliconServer. Storage
subsystems use RAID technology to aggregate multiple disk storage devices into System Drives.
For more information refer to "
System Drives
."
About Storage Pools
A Storage Pool is the logical container for Silicon File Systems. Storage Pools are created on a
collection of one or more System Drives. Storage Pools can be expanded as additional System
Drives are created in the storage subsystems and can grow to a maximum capacity of 256 TB.
Expanding a Storage Pool will not interrupt access to the storage resources by network clients.
A Storage Pool can hold up to 120 Silicon File Systems and it helps to centralize and simplify the
management of the file systems it contains. For example, the settings applied to a Storage Pool
can either allow or restrict the expansion of every file system in the Storage Pool.
5
Storage Management