Compaq 3000 - Manual (Page 39)

RAID Array 3000 Controller Shelf
2–6 EK–SMCPQ–UG. C01
Figure 2–4 Controller Front Panel
SHR-1049
Reset H0 H1 D1 F ault D0
Reset H0 D0 H1 D1 Fault
2.4 Flexible RAID Set Configuration
In addition to its flexible hardware design, the controller’s firmware offers the
user the flexibility to configure RAID sets in several different ways:
•
RAID sets can comprise drives from any drive channel and SCSI ID.
•
A RAID set can contain all the drives connected to the controller, a single
drive, or any number of drives in between.
•
The controller supports RAID Levels 0, 1, 0+1, 4, and 5. It also supports
JBOD (Just a Bunch of Drives), allowing you to connect standalone disk
drives (such as a system disk) to the controller without making them mem-
bers of a RAID set.
•
Each RAID set can be partitioned into smaller redundancy groups.
•
Any drive may be designated as a spare. Spares are global, meaning that in
the event of a drive failure, the controller will search for the first available
spare on any channel or SCSI ID and automatically begin rebuilding the
failed drive’s data.
•
All configuration and monitoring of RAIDsets accomplished via SWCC with
software platform kit.