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1.1.2
Introduction
ExaSAN A16S3-PS features
Below are the key features of the A16S3-PS. They are the reasons why ExaSAN is the best
RAID solution for a power user, working on studio, or individual work space.
1. Host Interface
 PCIe3.0 8Gb/s x4 lanes, for transfers up to 32Gb/s
2. Disk Interface

Support 16 x 3.5” SAS/SATA HDD(hard disks) or 2.5”SSD (flash disks)
3. RAID Controller
 Hardware XOR/Multi-Parity engine
 2GB DDRII-800 memory, ECC-protected, support up to 4GB
4. Software Specifications
 Multiple RAID levels: 0,1,5,6, 0+1, and JBOD
 Up to 4 independent disk arrays
 RAID capacity partitioning: up to 16 slices
 Support up to 64 LUNs
 Variable stripe sizes: 256 (KB)
 Selective initialization method with background initialization
 Online RAID set expansion and level migration
 Controller and Disk Cache Control to optimize read/write performance
 Support write-back and write-through caching
 Automatic drive insertion/removal detection and fast disk rebuilding
 Online bad block data recovery and reallocation
 Online disk scrubbing and data refresh and parity regeneration
 Disk health monitoring by S.M.A.R.T.
 NVRAM-based transaction log and auto parity resynchronization
 Array roaming and disk traveling with redundant on-disk metadata
 Array recovery to restore RAID configurations
 Dual firmware images for firmware recovery
 Disk Lag Proof technology to guarantee disk timely response
 Equalization mode to smooth the performance of sequential data transfers
5. Management
 Java-based GUI, cross-platform executable
 Enclosure components monitoring and control via GUI
 LED indicator for RAID & enclosure status
 Event logging to text file with event viewer
 Event notification by email (SMTP)
 Centralized multiple RAID system management
 Supports both in-band and out-of-band management
User Guide
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