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Table 6. 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-GCA and 8335-GTA locations” on page 111 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-GCA and 8335-GTA locations” on page 111
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.
Maximum write
capability of an
NVMe Flash adapter
is depleted
To determine whether the maximum write capability of a PCIe3 1.6 TB NVMe Flash adapter
is depleted, see PCIe3 1.6 TB NVMe Flash adapter (FC EC54; CCIN 58CB). To determine
whether the maximum write capability of a PCIe3 3.2 TB NVMe Flash adapter is depleted,
see PCIe3 3.2 TB NVMe Flash adapter (FC EC56; CCIN 58CC). If you determine that the
adapter must be replaced, go to “8335-GCA and 8335-GTA locations” on page 111 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.
Resolving a storage device problem
Learn about the possible problems and service actions that you can perform to resolve a storage device
problem.
Note:
To determine the location of the storage device, see “Identifying the location of the storage device”
20
Problem analysis, system parts, and locations for the 8335-GCA, 8335-GTA, 8335-GTB, and 8348-21C
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