SCI-CD

h1. установка на чистый Debian Stretch (Skycover 3)

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apt install qemu vim htop zsh puppet xen-linux-system-amd64 lsb-release sudo aptitude smartmontools

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в /etc/default/grub добавить:

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GRUB_CMDLINE_XEN="dom0_mem=3072M"

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dpkg-divert --divert /etc/grub.d/08_linux_xen --rename /etc/grub.d/20_linux_xen

update-grub

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/var/lib/ganeti/rapi/users:

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scweb СЛУЧАЙНЫЙ_ПАРОЛЬ write

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удалить systemd:

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apt-get install -y --force-yes sysvinit-core sysvinit-utils

cp /usr/share/sysvinit/inittab /etc/inittab

перезагрузка

apt-get remove -y --force-yes --purge --auto-remove systemd

echo -e 'Package: systemd\nPin: release *\nPin-Priority: -1' > /etc/apt/preferences.d/systemd

echo -e '\n\nPackage: *systemd*\nPin: release *\nPin-Priority: -1' >> /etc/apt/preferences.d/systemd

echo -e '\nPackage: systemd:i386\nPin: release *\nPin-Priority: -1' >> /etc/apt/preferences.d/systemd

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echo "deb http://sci-dev.skycover.ru/apt stretch main" > /etc/apt/sources.list.d/sci-dev.list

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wget -O- http://sci-dev.skycover.ru/apt/stretch.pub|apt-key add -

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aptitude update

aptitude install ganeti ganeti-instance-debootstrap sci-config sci-scripts

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настройки:

ссш:

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## Enable ssh-dss keys support

echo "    PubkeyAcceptedKeyTypes=+ssh-dss" >> $TARGET/etc/ssh/ssh_config

echo "PubkeyAcceptedKeyTypes=+ssh-dss" >> $TARGET/etc/ssh/sshd_config

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модули ядра:

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echo options drbd minor_count=128 usermode_helper=/bin/true disable_sendpage=1 >>$target/etc/modprobe.d/drbd.conf

echo options loop max_loop=64 >>$target/etc/modprobe.d/local-loop.conf

echo drbd >>$target/etc/modules

echo 8021q >>$target/etc/modules

mkdir /stuff/cdimages

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/etc/default/smartmontools - включить smartd

/etc/rc.local

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# If you use hardware raid or external FC/Infiniband storage, you prorably would rather use noop scheduler instead of deadline

# rise priority for dom0, alowing drbd to work fine

xl sched-credit -d0 -w512

modprobe sg

disks=`sg_map -i|awk '{print substr($2, length($2))}'`

for i in $disks; do

  # Set value if you want to use read-ahead

  ra=""

  if [ -n "$ra" ]; then

    blockdev --setra $ra /dev/sd$i

  fi

  if grep -q sd$i /etc/sysfs.conf; then

    echo sd$i already configured in /etc/sysfs.conf

  else

 cat <<EOF >>/etc/sysfs.conf

block/sd$i/queue/scheduler = deadline

block/sd$i/queue/iosched/front_merges = 0

block/sd$i/queue/iosched/read_expire = 150

block/sd$i/queue/iosched/write_expire = 1500

EOF

  fi

done

/etc/init.d/sysfsutils restart

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/etc/sysctl.conf:

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net.ipv4.ip_forward=1

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sysctl -p

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ln -s /usr/lib/xen-4.8 /usr/lib/xen

ln -s /vmlinuz /boot/vmlinuz-xenU

ln -s /initrd.img /boot/initrd.img-xenU

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aptitude install sci-web

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