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From VMware esxi to openstack

asked 2017-05-04 04:30:58 -0500

ymechti gravatar image

Hello everybody I'm an IT-Manager on a small company , my boss told me that he want to megrate from VMware virtualisation to Openstack So his demand is to deploy Openstack on a physicall server and that openstack can manage all the other physicall servers the idea is those servers and their ressources (RAM & HDD) must be shown as on server and the all availables HDD combined together to create RAID 5 storage please tell me is it possible ? if no please tell me why and if yes please show me how to do? I'm looking forward to hearing your answers asap I'm stacked

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answered 2017-05-04 22:07:27 -0500

OpenStack doesn't combine CPU and RAM resources of several physical servers into one. With OpenStack, you can either manage virtual servers using hypervisors like KVM, Xen, Hyper-V or even ESX, each virtual server running inside one physical server. Or you can manage the physical servers directly with the Baremetal service. Or both in the same cloud.

On the other hand, you can combine all your storage into one, for example using Ceph or Sheepdog, and create and manage block devices from that storage pool with OpenStack. This won't be Raid 5; to protect the data, other technologies (in the case of Ceph Erasure Coding or replication) are used.

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Asked: 2017-05-04 04:30:58 -0500

Seen: 50 times

Last updated: May 04 '17