ec2-storage

diagnose-disk-usage.md

• Was enroot command on the controller node?
• What is enroot.conf?
• Instance type of controller node
• The output of df -h
• The output of mount command
• The output of sudo du -shc /tmp/
• The output of sudo du -shc /var/lib/*
• The output of docker images
• Run docker system prune to clean-up unused Docker caches

ebs-resize.sh

# IMPORTANT: do this step on the instance only when EBS is in optimizing status.
# https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/recognize-expanded-volume-linux.html

# lsblk shows <DEV>p<PART>.
# E.g., if lsblk shows nvme0n1p1 => growpart dev/nvm0n1 1

sudo lsblk
sudo growpart /dev/nvme0n1 1

# For xfs
df -hT
sudo xfs_growfs -d /
df -hT

# For ext4
df -hT
sudo resize2fs /dev/nvme0n1p1
df -hT

remount-fsx-lustre.sh

# How to refresh automounter, after adding an FSx Lustre entry to /etc/fstab.
# https://bbs.archlinux.org/viewtopic.php?pid=1526268#p1526268

sudo systemctl daemon-reload
sudo systemctl restart remote-fs.target
ls -al /the/mount/point        # To trigger the mount
mount | grep /the/mount/point  # Expect to see remote filesystem mounted to /the/mount/point