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Intelligent Storage Systems, Types - Coggle Diagram
Intelligent Storage Systems
Components
Front End
Front-end Ports
Front-end controllers
Usage
Route Data from & from cache
Send Ack Messages
Cache
Components
Data Store
Tag RAM
Operation
Read
Read Hit
Read Miss
Write
Write-back Cache
Write-through Cache
Flushing
Algorithms
Lease Recently used
Most Recently Used
Water Marks
High Watermark
Low Watermark
Modes
Idle Flushing
High watermark flushing
Forced Flushing
Protection
Cache Mirroring
Cache Vaulting
Backend
Components
Back-end Conrollers
Back-end Ports
Functions
RAID
Storage Provisioning
Traditional
Additional Capacity
Concatenated metaLUN
Mixed RAID
Quick Expansion
No Performance Improvement
Striped MetaLUN
More performance
Take more time.
Same Capacity Disks
Same RAID Level
Virtual (Thin LUN)
On-demand Allocation
Single RAID Level
LUN Masking
Authorization Process
Types
High-end
Active-active array
Large Capacity
Large number of controllers
Mid-range
Two Controllers
Less front-end ports, capacity &