Figure 13: Fan LED
Two-color LED1
The fan module has one two-color LED, which is located on the upper left corner of the fan.
• Off—The environmental subsystem is not active yet.
• Green—Fan running normally. It may take up to one minute for the LED status to turn green after power
is on.
• Amber—One fan has failed. The system can continue to operate normally, but fan service is required.
• Amber, flashing—Two or more fans have failed. Immediate attention is required.
For More Information
• See Product ID Numbers, on page 33 for a list of the PIDs associated with the Secure Firewall 3100
fans.
• See Remove and Replace the Dual Fan Module, on page 70 for the procedure for removing and replacing
the dual fan modules.
SSDs
The Secure Firewall 3100 has two SSD slots that each hold one NVMe 900-GB SSD. By default the Secure
Firewall 3100 ships with one 900-GB SSD installed in slot 1. The second SSD slot is reserved for software
RAID1. The RAID1 SSD is shipped already configured. If you have two SSDs installed, they form a RAID
when you boot up.
Hot swapping is supported. With two SSDs, you can swap SSD-1 without powering off the chassis. However,
you must issue the raid remove-secure local disk command to remove SSD-2 from the RAID configuration
before hot swapping. Otherwise, you can lose data. If you remove and replace the RAID1 SSD, you must add
it again to the RAID1 configuration using the raid add local-disk 1|2 command. The SSD drive identifiers
are disk0: and disk1:.
If you have only one SSD, you cannot remove it while the firewall is powered on.
Caution
Cisco Secure Firewall 3100 Series Hardware Installation Guide
27
Overview
SSDs
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