User guide

Monitoring the SS8460
96-30052-001 Rev. A4 DataDirect Networks StorageScaler 8460 User Guide | 37
3.1.3 Disk Locate and Status LEDs
There are two status LEDs for each disk module (Figure 42). Table 2 provides a description of
the color and status of the two LEDs.
3.1.3.1 Disk Activity LEDs
On the front of the enclosure, there are 84 disk activity LEDs to indicate the disk presence
and data I/O (Figure 43).
For SAS disks, the LED turns green when a disk is present and idle. It flashes when there are
disk activities. It turns off when the disk is busy or not present.
For SATA disk, the LED turns green when a disk is present and busy. It flashes when there
are disk activities. It turns off when the disk is idle or not present.
Table 2. HHD LED Indicators
Color Status
Blue
ON (flashing) - receiving Locate command
OFF - NOT receiving Locate command
Amber
ON - a disk/bay fault has been detected
OFF - no detectable fault is present
Flashes - a disk/bay fault is predicted
1
1.This feature is not implemented in the current release of SFA OS.
Figure 42. Status LEDs on Disk Module
Figure 43. Disk Activity LEDs on Enclosure Front