User guide

1-2 Compaq Smart Array 431 Controller User Guide
■ 64-bit PCI Bus Master interface
■ 16-MB of d-RAM used for code data and non-battery backed read cache
■ Forward upgradability to the Compaq Smart Array 3200 or 4200
Controller
■ Support for offline drive and array movement
■ Online capacity expansion
■ Logical drive extension
■ RAID level migration
■ Stripe-size migration
■ Easy-to-use Array Configuration Utilities
NOTE: If higher performance, higher availability, or higher capacity is required, arrays can
be moved from the Smart Array 431 Controller to a Smart Array 3200 or 4200 Controller
without requiring a backup and restore. These controllers provide higher performance,
multiple SCSI channels, greater amounts of read/write cache (battery backed and
removable).