American Megatrends StorTrends 2200 User Manual page 7

Disk Mirroring ........................................................................................................................... 159
Selecting a RAID Level ............................................................................................................ 160
RAID 0 ...................................................................................................................................... 161
RAID 1 ...................................................................................................................................... 161
RAID 5 ...................................................................................................................................... 162
RAID 6 ...................................................................................................................................... 162
RAID 10 .................................................................................................................................... 163
RAID 50 .................................................................................................................................... 164
RAID 60 .................................................................................................................................... 165
Appendix B CHAP and Mutual CHAP ................................................................................. 167
Overview .................................................................................................................................. 167
CHAP ....................................................................................................................................... 167
CHAP Prerequisites ............................................................................................................. 167
Setting up CHAP .................................................................................................................. 167
Mutual CHAP authentication .................................................................................................... 168
Mutual CHAP Prerequisites .................................................................................................. 168
Setting up Mutual CHAP ...................................................................................................... 168
Appendix C Installation Procedure ..................................................................................... 169
Installation Procedure ............................................................................................................... 170
Installation Procedure .............................................................................................................. 170
Remove Any PCI NIC Add-on Cards ....................................................................................... 171
Attach a Keyboard, Monitor and External USB CD-ROM Drive .............................................. 171
Installation Procedure .............................................................................................................. 172
Appendix D Upgrade Procedure ......................................................................................... 177
FTP Upgrade Procedure .......................................................................................................... 178
FTP Upgrade Procedure (Using ManageTrends) .................................................................... 178
Upgrade Procedure using the Command Line Interface ......................................................... 179
Attach a Keyboard, Monitor and External USB CD-ROM Drive ........................................... 179
Fully Boot into ManageTrends ............................................................................................. 179
Insert the StorTrends iTX Installation CD (with the build you want to upgrade to) .............. 180
Upgrade Procedure (using the Command Line Interface) ................................................... 180
Using StorTrends as an FTP Server ........................................................................................ 187
Path Information Configuration ............................................................................................. 187
Errors during Upgrade .......................................................................................................... 187
Appendix E Replication Overview ...................................................................................... 189
The Business Threat ................................................................................................................ 189
The Solution: Remote Replication ........................................................................................... 189
High Availability with Synchronous Replication .................................................................... 189
Remote Replication essentially comes in two flavors .............................................................. 190
Synchronous Replication ...................................................................................................... 190
Asynchronous Replication .................................................................................................... 190
StorTrends Remote Replication Suite ..................................................................................... 190
Synchronous Replication ...................................................................................................... 191
StorTrends Asynchronous Replication ................................................................................. 192
Snap Assisted Replication .................................................................................................... 192
Delta snaps ........................................................................................................................... 193
Snap assisted replication of NAS volumes .......................................................................... 194
An Overview of Journal Assisted Replication (JAR) ................................................................ 195
Journal and Journal Files ..................................................................................................... 196
Synchronous Replication & High Availability ........................................................................ 197
Preface vii