Chapter 5: RAID Monitoring and Maintenance
79
Rebuild Settings
Beeper – Right-click on the Controller
icon and select Beeper from the
popup menu. A checkmark means the beeper is enabled.
Figure 80.
Rebuild Settings in Information View.
Right-click on the Controller
icon and look into Information View. Check the
respective boxes to enable these features:
Enable Hot Spare Disk
– Enables a spare drive not assigned to the array to
automatically replace a failed drive in the array. You must also enable Auto
Rebuild for this feature to be effective.
Enable Auto Rebuild
– Enables automatic rebuilding of a fault-tolerant (RAID 1,
0+1 and 5) array when it goes Critical.
Enable Hot Swap Disk
– Allows you to replace a faulty disk drive without
shutting down the system. This feature works with an externally replaceable disk
drive enclosure such as the Promise SuperSwap.
Rebuild Setting
– Allocates system resources between rebuilding the array and
responding to read/write commands from the computer system.
A
High
setting assigns most of the system resources to rebuilding. Rebuilding
goes faster, restoring redundancy sooner but read/write requests are handled
slower.
A
Low
setting assigns most of the system resources to handling read/write
requests. Read/write requests are handled at nearly normal speed while the
rebuild takes longer.
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