IBM J15, Manual

Page: 75 / 142

Table 8. LED indicators on drives
Function
Color Status Description
2 Activity Green On The drive is ready to be used.
Flashing The drive is operating and I/O is occurring.
Off The drive is not installed or an installed drive is not
ready to be used.
3 Fault Amber On A fault occurred on the drive. The LED is turned off
when the drive is removed and replaced.
Flash The drive is being identified, a fault might or might not
be detected.
Off The installed drive is operating normally.
Figure 48 on page 47 shows the LEDs on a secondary expansion module.
Figure 48. LEDs on a secondary expansion module
1 Online indicator
2 Fault indicator
Table 9 on page 47 describes the meaning of the LEDs on each secondary expansion module.
Table 9. LED indicators on secondary expansion modules
Function
Color Status Description
1 Power Green On The secondary expansion module is receiving power.
Flashing Not used.
Off The secondary expansion module is not receiving
power.
2 Fault Amber On Not used.
Flash The secondary expansion module is being identified.
Off The secondary expansion module is operating
normally.
LEDs inside of the disk enclosure
As Figure 49 on page 48 shows, each of the drives and secondary expansion modules within the IBM
Cloud Object Storage System
™
5U92 disk enclosure has two LEDs. To view the drives and SEMs, you must
remove the cover of the enclosure, as described in “Removing the top cover” on page 21.
Chapter 2. Installing the system hardware 47