August, 2013

Apache CloudStack (ACS) 4.2 & VMware vSphere

Good

Bad

Source: https://www.ohloh.net/orgs/apache/projects

Pod 1

Cluster 1

Host 2

ACS Architecture

Host 1

….

L3 switch

SecondaryStoragePod N

Zone 1

FirewallLoad Balancer

PrimaryStorage

L2 switch

….

Cluster N

New in ACS 4.2 – Regions• Regions hold multiple zones• Geographic Scalability &

Resilience• Management Server per Region• Object Storage Region Wide

ACS Management Server

Back Up DB

Management Server

MySQL DB

Replication

Load Balancer

InfrastructureResources

Management Server

ACS Hypervisor InteractionACS Management

Server

XenServer

XAPI

• XenServer 5.6 and higher

• Incremental Snapshots

• VHD

• NFS, iSCSI, FC and Local disk

• Storage over-provisioning: NFS

vSphere

vCenter

HTTP

• vSphere 4.1 and 5.X

• Full Snapshots

• VMDK

• NFS, iSCSI, FC and Local disk

• Storage over-provisioning: NFS, iSCSI

KVM

Agent

• RHEL 6.0, 6.1 and Ubuntu 10.04

• Full Snapshots (not live)

• QCOW2

• NFS, iSCSI and FC

• Storage over-provisioning: NFS

OVM

Agent

• OVM 2.2

• No Snapshots

• RAW

• NFS and iSCSi

• No storage over-provisioning

ACS / VMware Integration

• Dynamic scaling of CPU & RAM

• Hot plug additional NICs to VM

• CPU/RAM overcommit

• HA & DRS

• vSphere VM snapshots & thin provisioning

• Improved ACS volume snapshots

• Storage live migration

• Zone-wide block storage

• Not Supported: Storage DRS – planned for 4.3

• Nicira NVP support (Layer 2 & 3 today)

• DVS support

• Cisco 1000v and ASA 1000v

Compute Storage Networking

ACS Management Server

vCenter