diff --git a/README.md b/README.md index 0d4268e52a72beb0f088189ded703ed6823a2b9a..ef77b2a91fbfceba742b86bf1a5a3e922df1870e 100644 --- a/README.md +++ b/README.md @@ -29,6 +29,11 @@ cluster with vagrant: vagrant up ohpc ``` +NOTE: After you run the above command if you were to get a `"kernel mismatch error"`. To get past this error please run: +`vagrant ssh ohpc -c "uname -r"`. +Copy and paste this kernel version in the group_vars/all to update the kernel version in the `build_kernel_ver` variable. + + The ansible config will bring the master node to the point where its ready to ingest compute nodes via wwnodescan and prompt to you start a compute node. You can create a compute node and start it with @@ -108,3 +113,12 @@ After this point you can connect to the web ui of the ood node, typically via http://localhost:8080 The default user name and password for the web UI is 'vagrant'. + +## Issues and Work arounds + +If you encounter an issue with OHPC node provisioning due to GPG key errors as mentioned in https://github.com/jprorama/CRI_XCBC/issues/77. Please run the following command: +``` +vagrant box update +``` + +If you encounter an issue with nodes_vivify role in updating the slurm status on nodes, specifically the error `slurm_update error: Invalid node state specified`. Please increase the compute node memory. For example if you're using 4GB already increase the memory to 6GB in your Virtual Box.