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| * 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 | |
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| * btrfs read speed is low, make a kernel package from a recent kernel and test again. it may have been fixed already. this should be done on all glusterfs servers, but starting testing in on iotest01 before moving to glusterfs. http://thomasmullaly.com/2014/11/16/the-list-of-os-variants-in-kvm/ |
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| http://thomasmullaly.com/2014/11/16/the-list-of-os-variants-in-kvm/ | take a look at this package : osinfo-db {{{ read /usr/share/doc/apt/NEWS.Debian.gz -- Binary::apt-get::APT::Keep-Downloaded-Packages should be set to 'false' APT::Keep-Downloaded-Packages to "false" }}} |
TODO
live disk resize
seems to work
https://eioki.eu/2013/07/02/live-resize-libvirt-disk-lvm-multipath
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
misc
This is all that has no yet been done or documented.
- mailserver
- firewall
- monitoring diskspace
- disable saving .debs af download
- configure apt to remove .deb files after download /var/cache/apt/archives/
- network planning
- keyscript should try thrice
Space used on vanilla Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg1-root 1,9G 791M 954M 46% / /dev/md0 243M 53M 162M 25% /boot
mail we will configure this system with a mail server this server will later be configured to forward its mails to another mail account
* write a ssection about spice and TLS, check this to set up the TLS certificates on kvm02 /etc/libvirt/qemu.conf
* btrfs read speed is low, make a kernel package from a recent kernel and test again. it may have been fixed already. this should be done on all glusterfs servers, but starting testing in on iotest01 before moving to glusterfs.
http://thomasmullaly.com/2014/11/16/the-list-of-os-variants-in-kvm/
take a look at this package : osinfo-db
read /usr/share/doc/apt/NEWS.Debian.gz -- Binary::apt-get::APT::Keep-Downloaded-Packages should be set to 'false' APT::Keep-Downloaded-Packages to "false"