Apache CloudStack goes 4.2.0

cloudstackThe other other open source IaaS Cloud, CloudStack, has had an update with the release of CloudStack 4.2. What’s new? reveals a lot of work which the announcement summarises as 57 new features and 29 improved features such as the ability to plug in external or internal S3-compatible storage services and support for Cisco’s UCS compute chassis and SolidFire storage arrays.

A trawl through the release notes shows that there is far more than the headline items though. There’s a whole set of features to help support for regions, zone wide primary storage and a plug-in framework for writing UI extensions.

Networking has had a lot of work done to it too with initial support for IPv6 (as a technical preview), portable elastic IPs which can be transferred between zones, the ability to assign a VLAN to an isolated networks and persistent networks which can exist without VMs assigned to it. There’s also Cisco VNMC and VMware VDS support, enhanced support for Juniper gear and global server load balancing with health checks for load balanced instances.

Host support has not been left out. Windows 8 and Windows Server 2012 can now be VM Guest OS’s, ownership of VMs can now be changed by an administrator, resizable data disk volumes, storage migration (for XenServer and VMware), the ability to scale CPU and memory on running VMs (VMware and XenServer again), over-provisioning of memory and cpu (VMware, XenServer and KVM), bare-metal provisioning kickstarter, VM resetting on reboot and VMware VM snapshots.

Finally, there’s a who set of enhancements to the monitoring, maintenance and operations end of CloudStack, with support for auto purging alerts, API request throttling, forwarding of alerts to external SNMP and Syslog systems, a log collection tool, ability to change default password encryption and new VM snapshot and backup capabilities.

You can download the source or binaries (in deb and rpm packages) from cloudstack.apache.org where there is also documentation including installation and admin guides.

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