RAID Array 3000 Controller Shelf

Figure 2–4 Controller Front Panel

Reset

H0

H1

D0

D1

F ault

Reset H0 H1 D0 D1 Fault

SHR-1049

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.

2–6

EK–SMCPQ–UG. C01

Page 39
Image 39
Compaq 3000 manual Flexible RAID Set Configuration, Controller Front Panel