Quick MS Cluster disk debug information.

cluster-disk-info.bash

#!/bin/bash

# TPS corresponds to IOPS:
# https://en.wikipedia.org/wiki/IOPS

function cluster-disk-info() {
    folders="/tmp /home-mscluster/ /scratch"
    # disk space
    df -h -P $folders
    disks=$(df -h -P $folders | perl -n -e '/.*.dev.(...).*/ && print "$1 "')
    # disk usage -- record for 5 seconds
    echo; echo "recording 5s of usage..."
    iostat -y -c 5 1 --human -p $disks | sed '1d'
}

# one line version:
# folders="/tmp /home-mscluster/ /scratch" ; df -h -P $folders ; disks=$(df -h -P $folders | perl -n -e '/.*.dev.(...).*/ && print "$1 "') ; echo; echo "recording 5s of usage..." ; iostat -y -c 5 1 --human -p $disks | sed '1d'

function install-network-monitors() {
    # make dirs
    mkdir -p net_utils/.local ;
    mkdir -p net_utils/.pkgs ;
    cd net_utils ;
    
    # downlaod files
    # https://www.binarytides.com/linux-commands-monitor-network/
    cd _pkgs ;
    apt-get download bmon bwm-ng cbm collectl dstat ifstat ;
    cd .. ;
    
    # unzip files
    for pkg in .pkgs/*.deb ; do
        dpkg -x "$pkg" .local ;
    done ;

    # link binaries
    echo 'Installed:' ;
    for pkg in .local/usr/bin/* ; do
        ln -sf "$(realpath "$pkg")" "$(basename "$pkg")"
        echo "- $(basename "$pkg")"
    done ;
    
    # move back to pwd
    cd .. ;
}