EMC Symmetrix DMX-3

Data Integrity, Availability, and Protection
157
5
Invisible Body Tag
This chapter discusses the Symmetrix DMX-3 features and options
that affect data availability and reliability:
◆ Overview........................................................................................... 158
◆ Reliability and availability features............................................... 162
◆ Maintaining data integrity.............................................................. 175
◆ DMX-3 security features ................................................................. 181
◆ Data protection guidelines.............................................................. 189
◆ Disk mirroring (RAID 1) concepts................................................. 191
◆ Symmetrix RAID 1/0 for open systems ....................................... 195
◆ Symmetrix RAID 10 for mainframe systems ............................... 196
◆ Symmetrix DMX RAID 5 ................................................................ 198
◆ Symmetrix DMX RAID 6 ................................................................ 206
◆ Sparing in Symmetrix systems....................................................... 211
◆ SRDF family of products................................................................. 221
Data Integrity,
Availability, and
Protection