Public:Honza801/debian cluster
Z HelpDesk
http://clusterlabs.org/quickstart-ubuntu.html
https://wiki.debian.org/Debian-HA/ClustersFromScratch
http://ppa.mmogp.com/apt/debian/
testovani
pro biha na jessie.
peacemaker + corosync
- musi se nabrat ze sid/stretch.
- nefunguje clvm (mozna chyba nastaveni???) - zkusit znova
- problem s clvm locking_type=3 a lvm2-lvmetad (lvmetad)
- nejde ani po stahnutim zdrojaku (apt-get source), prekompilovani a opravy Makefile pro lvm2 (chybela nejaka knihovna)
cman
- funguje z jessie
- baliky
xen* 4.4.1-9+deb8u1
- baliky
- funguje i clvm (bez snapshotu)
- problem pri migraci virtualu
- timeoutovani virsh obejdes:
virsh -k10 -K10 migrate --live docker xen+ssh://nesoi1/
- pak stejne error
- timeoutovani virsh obejdes:
libxl: error: libxl.c:855:libxl_domain_unpause: unpausing domain 5: Invalid argument
<?xml version="1.0"?> <cluster name="nesoi" config_version="2"> <clusternodes> <clusternode name="nesoi1" nodeid="1"> </clusternode> <clusternode name="nesoi2" nodeid="2"> </clusternode> <clusternode name="nesoi3" nodeid="3"> </clusternode> </clusternodes> <logging debug="on"/> <dlm protocol="tcp" timewarn="500"> </dlm> </cluster>
cman + kvm
Pro bootovani z partisny je treba vytvorit grub a dat jako kernel parametr k virtualu
grub-mkimage -O i386-pc -o grub.img --prefix="(hd0)/boot/grub" part_msdos ext2 xfs biosdisk
je potreba prehodit xvda za sda (pokud migruju virtual z xenu)
- jessie libvirt ma problem s systemd.
# virsh start docker error: Failed to start domain docker error: error from service: CreateMachine: Activation of org.freedesktop.machine1 timed out
- sysvinit funguje vcetne
- lvm, clvm
- kvm, live migrace
widle
- vyrobit virtual z image na afs
- udelat image
- udelat partisny
- nalejt image na partisnu, resize
- nalejt boot na loop
- vyrobit virtual s ide imagem a jeste dalsim diskem (napartisnovanym, formatovanym)
- pridat jeste virtio disk
- pripojit cd s virtio driverama
- pustit virtual
- nainstalovat virtio drivery (viostor, vioser, NetKVM, baloon)
- pustit sysprep, vypnout
- vyrobit virtio-image
- resize
- dd
- vyrobit virtual z virtio-image
- https://fedoraproject.org/wiki/Windows_Virtio_Drivers
- https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Host_Configuration_and_Guest_Installation_Guide/form-Virtualization_Host_Configuration_and_Guest_Installation_Guide-Para_virtualized_drivers-Mounting_the_image_with_virt_manager.html