Note: Failure of IBM NVMe devices is covered in the standard warranty and during the maintenance
period only for devices that have not reached the maximum number of write cycles. Devices that reach
this limit might fail to operate according to specifications and must be replaced. This replacement cost
is not covered under the standard warranty or during the maintenance period.
This ends the procedure.
Running the Linux smart-log command to check the amount of remaining life in NVMe devices
Find information about using the Linux operating system smart-log command to find the amount of
remaining life in an NVMe device.
About this task
To find the amount of remaining life in an NVMe device by using the Linux operating system smart-log
command, complete the steps in this procedure.
Procedure
1. If the system has logical partitions, complete this procedure from the logical partition that owns the
NVMe device
2. To use the Linux operating system to find the remaining life on an NVMe device, complete the
following steps:
a) From the Linux command line, type the following command and press Enter.
nvme smart-log /dev/nvmeX -H
where nvmeX is the resource name of the NVMe device.
b) View the Percentage used field.
Is the value in the Percentage used field 100%?
• Yes: Continue with the next step.
• No: Continue with step “4” on page 39.
3. The NVMe device is nearing its end of life and must be replaced. The NVMe device will soon reach the
limit for the number of write operations that are supported. Write operations to the NVMe device
become slower over time, and at some point the NVMe device becomes a read-only device. When the
operating system writes data to a read-only device, the write operations are rejected, and the
operating system considers the device as if a failure occurred. To support normal write operations, the
NVMe device must be replaced.
Note: Failure of IBM NVMe devices is covered in the standard warranty and during the maintenance
period only for devices that have not reached the maximum number of write cycles. Devices that reach
this limit might fail to operate according to specifications and must be replaced. This replacement cost
is not covered under the standard warranty or during the maintenance period.
This ends the procedure.
4. In the critical_warning portion of the command output, is the Available Spare field displayed?
• Yes: Continue with the next step.
• No: Continue with step “6” on page 39.
5. Is the Available Spare field equal to 1?
• Yes: The NVMe device has low spares. Continue with step “7” on page 40.
• No: A service action is not required. This ends the procedure.
6. Complete the following steps to determine if the NVMe device has low spares:
a) View the critical_warning field.
b) The critical_warning field is a hexadecimal number. Convert the hexadecimal number to a binary
number.
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