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Chapter 3: Maintenance and Component Installation
Hard Drive Carrier Indicators
Each hard drive carrier has two LED indicators: an activity indicator and a status indicator. In
LED Color State Status
Activity LED
Blue Solid On SAS/NVMe drive installed
Blue Blinking I/O activity
Status LED
Red Solid On Failed drive for SAS/SATA/NVMe with RSTe support
Red Blinking at 1 Hz Rebuild drive for SAS/SATA/NVMe with RSTe support
Red Blinking with two blinks and
one stop at 1 Hz
Hot spare for SAS/SATA/NVMe with RSTe support
Red Power on for SAS/SATA/NVMe with RSTe support
Red Blinking at 4 Hz Identify drive for SAS/SATA/NVMe with RSTe support
Green Solid On Safe to remove NVMe device
Amber Blinking at 1 Hz Attention state—do not remove NVMe device
Caution: Use caution when working around the hard drive backplane. Do not touch the
Caution: Regardless of how many hard drives are installed, all drive carriers must remain in
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