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Sent workaround for swap file creation at boot #72

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23 changes: 9 additions & 14 deletions extensions/util_ms.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -12,23 +12,18 @@ echo "net.ipv4.tcp_keepalive_time = 120
" >> /etc/sysctl.conf
}

# Update waagent.conf to setup swap on boot (32G)
cat << EOF >> /etc/waagent.conf
ResourceDisk.Format=y
ResourceDisk.EnableSwap=y
ResourceDisk.SwapSizeMB=32768
EOF
# restart waagentlinux to make changes active
systemctl restart walinuxagent.service

formatDataDisk ()
{
# This script formats and mounts the drive on lun0 as /datadisk
# It also sets the swap file to 32GB on /mnt which is the temporary disk on /dev/sdb

SWAPFILE="/mnt/swapFile.swap"

echo "Creating and formating a new swap file ..."

fallocate -l 1g ${SWAPFILE}
chmod 600 ${SWAPFILE}
echo "Formating the swap file ..."
mkswap ${SWAPFILE}
echo "Enabling the swap file ..."
swapon ${SWAPFILE}
echo "${SWAPFILE} swap swap defaults 0 0" | sudo tee -a /etc/fstab

DISK="/dev/disk/azure/scsi1/lun0"
PARTITION="/dev/disk/azure/scsi1/lun0-part1"
MOUNTPOINT="/datadisk"
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