Appendix A: Specifications
Fault Tolerance Management
A-5
Disk
drive assemblies to exist after controller
replacement.
Failure Indicator
Faults are indicated via audible alarm, module
LED indicators, LCD screen, RAIDWatch
manager, or terminal emulation.
A.6 Fault Tolerance Management
Specifications
Drive S.M.A.R.T Support
Yes, with user-configurable
detect only, clone and replace,
and perpetual clone functions.
Battery Back-up Option
Yes
Sensors and Module Presence detection
through an I
2
C serial bus
Yes
Automatic Drive Failure Detection
Yes
Automatic Rebuild on Spare Drives
Yes
Regenerate Logical Drive Parity
Yes
Bad Block Reassignment
Yes
Automatic Rebuild upon Failed Drive
Replacement
Yes
Manual Clone of Suspected Failed Drive
Yes
Concurrent Rebuild on Multiple Drives
in a RAID (0 + 1) Logical Drive
Yes
Salvage the 2
nd
Temporary Failed Drive
in a RAID 1, 3 or 5 Logical Drive
Yes
Salvage the 1
st
Temporary Failed Drive
in a RAID 0 Logical Drive
Yes
