Category Archives: GPFS

GPFS error [E] Pagepool has size … instead of the requested … on CentOS 7

We just updated our GPFS systems for the new kernel. The installation was smooth once we get the rpm packages. Basically: rpm -Uvh gpfs.base-4.2.3-13.x86_64.rpm \ gpfs.docs-4.2.3-13.noarch.rpm gpfs.ext-4.2.3-13.x86_64.rpm \ gpfs.gpl-4.2.3-13.noarch.rpm gpfs.gskit-8.0.50-86.x86_64.rpm \ gpfs.license.std-4.2.3-13.x86_64.rpm \ gpfs.msg.en_US-4.2.3-13.noarch.rpm And after that the compiled binary … Continue reading

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Mellanox OFED install linux CentOS 7

I don’t know if this works with the latest CentOS 7 kernel. The current OFED version is 4.5-1 (downloadable here) but my logs correspond to my first install (version 2.4-1). I need this procedure written and easy to reach, and … Continue reading

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CONFIG_RETPOLINE=y error on CentOS 7

We need to update our systems. We don’t do it regularly, but when requested by the authority, and this time they requested it due to Specter & Meltdown. So there I am trying to get my rpm for the newest … Continue reading

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Speed test with iperf on CentOS 7

We’re now having more than one GPFS client hooked up to a 10 GB line. The fact we have a 10 GB network available is not, unfortunately, meaning that we can have that speed, so we need some tool to … Continue reading

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Add a CentOS 7 node to a GPFS cluster

We want to have all the clients of our storage added as native GPFS clients. I showed before some problems that I experienced with an already joined GPFS client. Everybody’s lazy, so I will suppose you already compiled the GPFS … Continue reading

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Install GPFS on CentOS 7

This is just a recipe. It may not work for another system. First I need to install the infiniband drivers. I downloaded the latest drivers from the mellanox page. Previously I installed all the packages needed to compile them. Anyway, … Continue reading

Posted in bits, centos, GPFS, linux, slurm | 1 Comment

Bring back GPFS

Our cluster file system is fortunately GPFS. This is meaning I have high data reliability and speed but I can’t manage it in a traditional way. Probably I will post about this subject more the more I learn about hot … Continue reading

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