Adaptec SCSI 58300 Installation And User Manual

Also see for 44300: Installation and user guide Installation and user guide User guide

Contents

Adaptec SCSI 58300 Installation And User Manual Manual pdf 8 page image

Contents ● 89 Managing Your Storage SpaceAbout Adaptec Storage Manager ..................................................................... 50Installing Adaptec Storage Manager........................................................ 50About the HRCONF Command Line Utility .................................................. 50About the ARC Utility ...................................................................................... 51About the Adaptec Flash Utility ....................................................................... 51Which Utility Should I Use? ............................................................................. 5110 Solving ProblemsTroubleshooting Checklist ............................................................................... 53Recovering from a Disk Drive Failure ............................................................. 53Failed Disk Drive Protected by a Hot Spare ........................................... 53Failed Disk Drive Not Protected by a Hot Spare .................................... 53Failure in Multiple Arrays Simultaneously ............................................. 54Disk Drive Failure in a RAID 0 Array ..................................................... 54Multiple Failures in the Same Array........................................................ 54Resetting the Controller.................................................................................... 54A Introduction to SASTerminology Used in This Appendix............................................................... 57What is SAS?...................................................................................................... 57How Do SAS Devices Communicate?.............................................................. 58What’s a Phy? .................................................................................................... 58What’s a SAS Port?............................................................................................ 58What’s a SAS Address?...................................................................................... 59What’s a SAS Connector? ................................................................................. 59What do SAS Cables Look Like?....................................................................... 59How are Disk Drives Identified in SAS? .......................................................... 59What are the SAS Connection Options?.......................................................... 60Direct-Attach Connections...................................................................... 60Backplane Connections............................................................................ 60SAS Expander Connections ..................................................................... 60How is SAS Different from Parallel SCSI? ....................................................... 61B Understanding RAIDRAID Technology Overview............................................................................. 64Understanding Drive Segments............................................................... 64Stripe-Unit Size ........................................................................................ 64RAID 0 (Non-RAID Arrays) ............................................................................ 64RAID 1 Arrays ................................................................................................... 65