Article Number: 000202755
PowerFlex: NVDIMM: Unable to add dax device
Summary: Unable to add dax device to an SDS node.
Article Content
Symptoms
The dax device has been created successfully.
The dax device can be seen on the host using:
When adding the dax device using the Presentation Server, you see:
The dax device can be seen on the host using:
#ndctl list -N
When adding the dax device using the Presentation Server, you see:
Cause
The library libpmem was removed from the SDS node or not installed.
Checking for the lipmem package returns nothing.
The SDS uses this library to interact with the NVDIMMs.
This explains why the SDS service was unable to read the NVDIMMs.
Checking for the lipmem package returns nothing.
#rpm -qa | grep libpmem*
The SDS uses this library to interact with the NVDIMMs.
This explains why the SDS service was unable to read the NVDIMMs.
Resolution
Install the libpmem on the SDS.
After the package is installed, reboot the SDS.
After the SDS comes back up, you can add the dax device to the SDS.
In this example the version is: libpmem-1.5.1-2.1.el7.x86_64
After the package is installed, reboot the SDS.
After the SDS comes back up, you can add the dax device to the SDS.
In this example the version is: libpmem-1.5.1-2.1.el7.x86_64
Article Properties
Affected Product
PowerFlex Software
Product
Converged Infrastructure, PowerFlex rack, VxFlex Product Family
Last Published Date
12 Sep 2023
Version
4
Article Type
Solution