TODO

Various Articles

• https://serverfault.com/questions/122042/kvm-online-disk-resize

• https://serverfault.com/questions/378086/how-to-extend-a-linux-pv-partition-online-after-virtual-disk-growth

• https://eioki.eu/2013/07/02/live-resize-libvirt-disk-lvm-multipath (tested and works, no downtime on guest)

• http://www.unixarena.com/2015/12/linux-kvm-how-to-addresize-virtual-disk-on-fly.html

• apt-get install libguestfs-tools to get virt-resize

• https://forum.proxmox.com/threads/extend-rescan-virtio-disk-in-guest-vm.7989/

• debug io trouble: sysstat package + iosat -x 2 5 http://bencane.com/2012/08/06/troubleshooting-high-io-wait-in-linux/ do a page on debugging iostat and how to solve

• http://thomasmullaly.com/2014/11/16/the-list-of-os-variants-in-kvm/

• http://lists.gluster.org/pipermail/gluster-users/2015-February/020798.html

• https://www.linux.com/news/carp-your-way-high-availability

• https://www.server-world.info/en/note?os=Debian_9&p=mariadb&f=1

• http://galeracluster.com/documentation-webpages/sslconfig.html

• http://galeracluster.com/documentation-webpages/sslcert.html

• http://galeracluster.com/documentation-webpages/sslconfig.html#securing-replication-traffic

• http://galeracluster.com/documentation-webpages/sslcert.html

misc

• IOMMU enable: https://us.informatiweb.net/tutorials/it/9-bios/215--enable-iommu-or-vt-d-in-your-motherboard-bios.html

• Mailserver
• Firewall
• Monitoring diskspace
• Network planning
• Keyscript should try thrice

• NTP servers are getting the time from themselves, thats not optimal. https://ubuntuforums.org/showthread.php?t=1513500 only 1 iburst server may be the solution.

• Create a page about manual DNSs updates and nsupdate
• Spice and TLS write a ssection about spice and TLS, check this to set up the TLS certificates on kvm02 /etc/libvirt/qemu.conf
• KVM guest types are in package osinfo-db
• move gluster07 to dedicated hardware, so the arbiter works as expected.
• Do some pages on optimizations, this is both network, diskio etc. BUT redundancy and stability comes first.
• Do some pages on security, for now redundancy comes first
• virsh capabilities to check what the hardware can do
• debian package, debian-goodies, contains command checkrestart

• spice compression protocols https://libvirt.org/formatdomain.html#elementsGraphics

• describe the use of debian command "virt-host-validate"
• describe installing XP, floppy, and remove floppy when cloning
• describe installing win7, two cdroms, but set up as disks with device=cdrom instead of --cdrom option

• spice protocol https://www.spice-space.org/spice-user-manual.html

• spice clients https://virt-manager.org/download/

• take a look at mandos to boot from encrypted root filesystem
• delete all crm configuration "rm /var/lib/heartbeat/crm/cib*"