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https://git.proxmox.com/git/mirror_zfs.git
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92 lines
2.4 KiB
Bash
92 lines
2.4 KiB
Bash
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#!/usr/bin/env bash
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######################################################################
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# 1) setup qemu instance on action runner
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######################################################################
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set -eu
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# install needed packages
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export DEBIAN_FRONTEND="noninteractive"
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sudo apt-get -y update
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sudo apt-get install -y axel cloud-image-utils daemonize guestfs-tools \
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ksmtuned virt-manager linux-modules-extra-$(uname -r) zfsutils-linux
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# generate ssh keys
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rm -f ~/.ssh/id_ed25519
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ssh-keygen -t ed25519 -f ~/.ssh/id_ed25519 -q -N ""
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# we expect RAM shortage
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cat << EOF | sudo tee /etc/ksmtuned.conf > /dev/null
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# https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/virtualization_tuning_and_optimization_guide/chap-ksm
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KSM_MONITOR_INTERVAL=60
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# Millisecond sleep between ksm scans for 16Gb server.
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# Smaller servers sleep more, bigger sleep less.
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KSM_SLEEP_MSEC=10
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KSM_NPAGES_BOOST=300
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KSM_NPAGES_DECAY=-50
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KSM_NPAGES_MIN=64
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KSM_NPAGES_MAX=2048
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KSM_THRES_COEF=25
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KSM_THRES_CONST=2048
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LOGFILE=/var/log/ksmtuned.log
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DEBUG=1
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EOF
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sudo systemctl restart ksm
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sudo systemctl restart ksmtuned
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# not needed
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sudo systemctl stop docker.socket
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sudo systemctl stop multipathd.socket
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# remove default swapfile and /mnt
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sudo swapoff -a
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sudo umount -l /mnt
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DISK="/dev/disk/cloud/azure_resource-part1"
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sudo sed -e "s|^$DISK.*||g" -i /etc/fstab
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sudo wipefs -aq $DISK
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sudo systemctl daemon-reload
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sudo modprobe loop
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sudo modprobe zfs
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# partition the disk as needed
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DISK="/dev/disk/cloud/azure_resource"
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sudo sgdisk --zap-all $DISK
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sudo sgdisk -p \
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-n 1:0:+16G -c 1:"swap" \
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-n 2:0:0 -c 2:"tests" \
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$DISK
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sync
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sleep 1
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# swap with same size as RAM
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sudo mkswap $DISK-part1
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sudo swapon $DISK-part1
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# 60GB data disk
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SSD1="$DISK-part2"
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# 10GB data disk on ext4
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sudo fallocate -l 10G /test.ssd1
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SSD2=$(sudo losetup -b 4096 -f /test.ssd1 --show)
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# adjust zfs module parameter and create pool
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exec 1>/dev/null
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ARC_MIN=$((1024*1024*256))
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ARC_MAX=$((1024*1024*512))
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echo $ARC_MIN | sudo tee /sys/module/zfs/parameters/zfs_arc_min
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echo $ARC_MAX | sudo tee /sys/module/zfs/parameters/zfs_arc_max
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echo 1 | sudo tee /sys/module/zfs/parameters/zvol_use_blk_mq
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sudo zpool create -f -o ashift=12 zpool $SSD1 $SSD2 \
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-O relatime=off -O atime=off -O xattr=sa -O compression=lz4 \
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-O mountpoint=/mnt/tests
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# no need for some scheduler
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for i in /sys/block/s*/queue/scheduler; do
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echo "none" | sudo tee $i > /dev/null
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done
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