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You should probably set up ssh master mode for each of the cluster nodes. Here is a shell script that you can run on rcmaster to do it:
No Format #!/bin/sh # # This script sets up ssh master mode for all of the machines # in the RAMCloud cluster. if [ $(hostname) == "rcmaster.scs.stanford.edu" ]; then for host in rc{01..3680}; do if [ -z "$(pgrep -u $USER -fx "ssh -fMN $host true")" ]; then ssh -fMN $host true 2>/dev/null & fi done fi
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