HP 273914-B21 - Smart Array 6404/256 RAID Controller Manuals

Configuring Arrays on HP Smart Array Controllers Reference Guide Part Number 433572-005 November 2009 (Fifth Edition)

HP Smart Array Controller technology technology brief, 3rd edition HP Smart Array Controller technology technology brief, 3rd edition Abstract.............................................................................................................................................. 3 Introduction......................................................................................................................................... 3 Storage trends..................................................................................................................................... 3 Meeting data storage requirements........................................................................................................ 4 High performance................................................................................................................................ 4 PCI Express technology..................................................................................................................... 4 SAS/SATA technology ..................................................................................................................... 5 SAS-2 standard............................................................................................................................ 6 Mini SAS 4x cable connectors and receptacles................................................................................ 7 High-performance processor.............................................................................................................. 7 Cache module benefits ..................................................................................................................... 8 Read-ahead caching..................................................................................................................... 8 Write-back caching ...................................................................................................................... 8 Balanced cache size..................................................................................................................... 9 RAID performance enhancements....................................................................................................... 9 Disk striping................................................................................................................................. 9 Parity data................................................................................................................................... 9 Background RAID creation............................................................................................................. 9 RAID 5 and RAID 6 read-modify-write............................................................................................. 9 Striping across arrays ................................................................................................................. 10 RAID 1 load balancing ............................................................................................................... 10 Hardware versus software RAID ................................................................................................... 10 Smart Array performance................................................................................................................ 11 Data availability................................................................................................................................ 14 RAID support ................................................................................................................................. 14 Stripe size migration................................................................................................................... 14 RAID migration .......................................................................................................................... 15 Drive roaming ............................................................................................................................... 16 Mirror splitting and recombining...................................................................................................... 16 Online drive flash .......................................................................................................................... 16 Recovery ROM .............................................................................................................................. 16 Pre-Failure Warranty using S.M.A.R.T technology .............................................................................. 16 Automatic data recovery with rapid rebuild technology ...................................................................... 17 Online spare ................................................................................................................................. 17 Dynamic sector repair .................................................................................................................... 18 ECC protection .............................................................................................................................. 18 Battery-backed write cache ............................................................................................................. 18

HP Smart Array 6400 Series Controllers User Guide for HP ProLiant Servers January 2005 (Fifth Edition) Part Number 309135-005

HP Smart Array 6400 Series Controllers for Integrity Servers User Guide August 2005 (Second Edition) Part Number 365510-002