When the NVMe card fails, the disk units (namespaces) that are mirror-protected will be
suspended. Normal system operations continue on the other NVMe card.
Task |
What to do |
1. |
Replace the failing card and install a new NVMe device.
- Start System Service Tools (STRSST), and specify the user name and password.
- On the System Service Tools (SST) display, select Start a Service
Tool.
- On the Start a Service Tool display, select Hardware service
manager.
- On the Hardware Service Manager display, select Packaging hardware
resources.
- On the Packaging Hardware Resources display, select 3=Concurrent maintenance for the Unit ID
that contains the failed NVMe device.
- Press F9 to power off the domain.
- Physically unplug and remove the failing NVMe device.
- Physically install the replacement NVMe device.
- Press F10 to power on the domain.
|
2. |
Prepare the newly installed NVMe card.
- Return to the System Service Tools (SST) display.
- On the System Service Tools (SST) display, select Work with disk
units.
- On the Work with Disk Units display, select Work with disk
configuration.
- On the Work with Disk Configuration display, select Work with NVM
Devices.
- On the Work with NVM Devices display, select Delete existing NVM
Namespaces.
- Select the device that you installed in task 1 step 8 above.
- If no namespaces are listed, press F12 and then go to task 3.
- Select 4=Delete Namespace for each of the listed namespaces.
- F10 to confirm the delete of the namespaces.
- F12 to return to SST.
|
3. |
Resume mirroring.
- Return to the System Service Tools (SST) display.
- On the System Service Tools (SST) display, select Work with disk
units.
- On the Work with Disk Units display, select Work with disk
configuration.
- On the Work with Disk Configuration display, select Work with NVM
Devices.
- On the Work with NVM Devices display, select Create NVM namespaces to pair with
Active mirror protected NVM units.
- On the Select NVM Device display, select the device that you installed in task 1 step 8
above.
- On the Create NVM Namespaces - Show the Units Suspended from Mirror Protection display, press F7
to select all of the suspended units.
- Confirm the creation of the listed namespaces that will be paired with the suspended disk
units.
- Press F10 to confirm the operation. The operation will perform the following steps.
- Create new namespaces on the selected NVMe device.
- Pair the new namespaces with the suspended NVMe disk units.
- Start to resume mirror protection on the newly created disk units.
- Press F12 to return to the System Service Tools (SST) display.
- This completes the procedure.
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