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CloudStack Ubuntu XenServer

Running Ubuntu 14.04 “Trusty Tahir” on XenServer CloudStack

The recently released Ubuntu 14.04 “Trusty Tahir” LTS release comes with Xen HVM (Hardware-assisted virtualization) support. Previous LTS releases supported the older Xen PV (para-virtualization) mode only. Phoronix has recently published a comparison between Ubuntu 14.04 Xen PV with Xen HVM virtualisation which seems to suggest that Ubuntu 14.04 with Xen HVM performs better than […]

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CloudStack

Apache CloudStack 4.3.0 Released

Apache CloudStack 4.3.0 is out with an enhanced UI and new color theme!!! For those upgrading from 4.2.1 to 4.3.0, the official upgrade instructions are at http://docs.cloudstack.apache.org/projects/cloudstack-release-notes/en/latest/rnotes.html#upgrade-from-4-2-x-to-4-3. Some additional notes for upgrading while upgrading from 4.2.1 to 4.3 in a CentOS6 environment:

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CloudStack

CloudStack “Number of unallocated private IPs is low in pod” Error

I recently had to patch and reboot my NAS for the “heartbleed” OpenSSL fix. The NAS provides both primary and secondary storage services to my CloudStack 4.2.1 test environments. Being brave, I rebooted the NAS before enabling maintenance mode on the Zone or on the primary and secondary storage resources. Within a few minutes after […]