Table 5. NVMe Flash adapter problems and service actions (continued)
Problem
Service action
NVMe Flash
adapter stops
working suddenly
1. If the NVMe Flash adapter has an amber LED that is flashing or is on solid,
replace the adapter. Go to “8335-GTC, 8335-GTG, 8335-GTH, 8335-GTW, or
8335-GTX locations” on page 25 to identify the physical location and removal
and replacement procedure.
Important: Before you remove an NVMe Flash adapter, ensure that you back up
all data on the adapter or the array that contains the adapter. After you replace
the adapter, restore the data.
2. Check the system logs to verify whether the system detected a problem.
3. Replace the NVMe Flash adapter. Go to “8335-GTC, 8335-GTG, 8335-GTH,
8335-GTW, or 8335-GTX locations” on page 25 to identify the physical location
and removal and replacement procedure.
Important: Before you remove an NVMe Flash adapter, ensure that you back up
all data on the adapter or the array that contains the adapter. After you replace
the adapter, restore the data.
Other problems
1. Check for and resolve any nvmeX entries in the operating system log, where
nvmeX is the resource name of the NVMe Flash adapter. Then, test the NVMe
Flash adapter again.
2. Ensure that the latest I/O adapter firmware is installed. For instructions, see
Getting firmware fixes for IBM I/O adapters by using Fix Central.
3. Ensure that you have the latest device driver service updates by installing the
latest Linux distribution fixes.
4. Type the following command and press Enter:
nvme smart-log /dev/nvmeX
, where nvmeX is the resource name of the
NVMe Flash adapter.
Check for problems with the critical warning, temperature, available spare,
percentage used, power cycles, or power on hours fields.
Note: For more information about nvme commands, type
man nvme
and press
Enter.
Identifying the location of the PCIe adapter by using the slot number
The error message provides information to help you to determine the location of the PCIe adapter.
About this task
For example, the log might contain an error message similar to the following text:
[131779.752714] EEH: PHB#0 failure detected, location: Slot5
Replace the PCIe adapter. Go to “8335-GTC, 8335-GTG, 8335-GTH, 8335-GTW, or 8335-GTX locations”
on page 25 and use the slot number information in the operating system log to identify the physical
location and the removal and replacement procedure.
Beginning troubleshooting and problem analysis 15
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Страница 43: ...Figure 3 Memory locations The following table provides the memory locations Finding parts and locations 29 ...
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