Dell PowerEdge Express Flash NVMe PCIe SSD User Manual - Page 26

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State Name
Device identify (blink)
Device failed
Read only
Predicted failure

Ungraceful System Shutdown Or Power Loss

If the host system experiences a power loss, the NVMe PCIe SSD may not have time to perform its
internal shut down procedure. In such an event, the device may enter a recovery mode which is indicated
by the rapid blinking of the activity LED.
This recovery process is also known as rebuilding. During rebuilding, there is very limited access from the
host operating system. After the recovery procedure is complete, the steady blinking stops and the device
is fully accessible.
CAUTION: Removing an NVMe PCIe SSD from the system without preparing the device for
removal causes the NVMe PCIe SSD to enter recovery mode the next time it is inserted in the
system.
NOTE: It is recommended to use power backup solutions for all Dell systems.

General Errors

The following section describes general errors related to NVMe PCIe SSD.

NVMe PCIe SSD Description Is Truncated

Description
In Windows 2012 R2, the device description is truncated from the Device Manager
→ Disk Drives view. For example, you will see NVMe Dell Express Flash or NVMe
26
Slot/Device State
The device is identifying
the slot location or is
indicating the device has
received a Prepare for
Removal command
from the host operating
system.
The host operating
system no longer has
access to the device
because the device is
not responding or has
encountered a critical
error condition.
The device will only
service read operations.
The SMART feature set
has predicted a
degradation or fault
condition.
Status LED (Green)
On for 250 msec
Off for 250 msec
Off
Off
Off for 250 msec
On for 250 msec
Status LED (Amber)
Off
On for 250 msec
Off for 250 msec
On for 250 msec
Off for 250 msec
On for 250 msec
Off for 250 msec