Accusys ExaSAN A08S-PS - Manual (Page 8)

ExaSAN A08S-PS User’s Manual
8
Key Features
ExaSAN A08S-PS features the following:
z Multiple RAID levels: 0,1, 0+1, 5, 6, and JBOD
z Up to 4 independent disk arrays
z Supports 8 SAS & SATA drives
z RAID capacity partitioning: up to 16 slices
z Supports up to 64 LUNs
z Variable stripe sizes, up to 256KB
z Supports over-2TB volumes
z Selective
initialization method with background initialization
z Online RAID set expansion
z Online RAID level migration
z Controller and Disk Cache Control to optimize read/write performance
z Supports write-back and write-through caching
z Selective and adaptive read/write optimization policies
z Automatic drive insertion/removal detection and fast disk rebuilding
z Online bad block data recovery and reallocation
z Online disk scrubbing with data refresh and parity regeneration
z Disk health monitoring by S.M.A.R.T.
z NVRAM-based transaction log and auto parity resynchronization
z Array roaming and drive traveling with redundant on-disk metadata
z Array recovery to restore RAID configurations
z Dual firmware images for firmware recovery
z Mirror Snapshot for fast backup and restore
z Disk lag proof technology to guarantee disk timely response
z Equalization mode to smooth the performance of sequential I/Os and
reduce fluctuation
z Enclosure components monitoring and control via GUI
z Optimized for multiple-stream video processing
z RoHS
compliant