Building a redundant CloudStack management cluster - Vladimir Melnik

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Building a redundant CloudStack management cluster. Building and maintaining an open-source-driven clustered environment for Apache CloudStack management server with GNU Linux, HAProxy, HeartBeat, Bind, OpenLDAP and other tools.

Technology

About Tucha
Here I’ll be telling something about our company
(started as an ISP in 2005), our cloud experience
(back in 2012 we were the first who started to
provide IaaS in Ukraine), our cloud’s volume (several
hundreds of virtual machines), our adherence to OSS
ideology and so on.
It would be amazing to have it illustrated somehow :)

IPv4 Addressing Plan
10.13.0.0/16 - acs.tucha.cloud zone
10.13.0.0/21 - - core group
10.13.0.0/28 - - - management servers
10.13.0.16/28 - - - database servers
10.13.0.32/28 - - - auxiliary servers
10.13.0.48/28 - - - monitoring servers
10.13.4.0/24 - - - routing servers
10.13.4.0/27 - - - - load balancers
10.13.4.224/27 - - - - inter-node communications
10.13.32.0/21 - - p1.acs.tucha.cloud pod
10.13.32.0/22 - - - managment network
10.13.32.0/26 - - - - hosts of c1.p1.acs.tucha.cloud
10.13.32.64/26 - - - - hosts of c2.p1.acs.tucha.cloud
10.13.32.128/26 - - - - hosts of c3.p1.acs.tucha.cloud
10.13.35.240/28 - - - - system instances
10.13.36.0/22 - - - storage network
10.13.36.0/26 - - - - hosts of c1.p1.acs.tucha.cloud
10.13.36.64/26 - - - - hosts of c2.p1.acs.tucha.cloud
10.13.36.128/26 - - - - hosts of c3.p1.acs.tucha.cloud
10.13.39.224/28 - - - - secondary storages
10.13.39.240/28 - - - - system instances

Virtualization Cluster
Storage ClusterVirtualization Cluster
GlusterFS, CEPH, NFS,
anything else :)

Things to Get Done and Checked
Naming, IPv4 and VLAN assignment plans
Networks, virtual machines, security policies
Auxiliary services (DHCP, LDAP, NTP and others)
MySQL servers (cross-replication, failover cluster)
Apache CloudStack management servers
Load Balncers (heartbeat, haproxy, iptables)
Stats collecting and states monitoring suites
Backup automation, disaster decovery plan
Crash tests, performance measurement and stuff :)

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