SolusVM migration to Openstack
We're paying a lot of cash monthly to Solusvm to manage our VMs and KVM nodes. I want to migrate to an open-source and more customisable platform.
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I've tried CloudStack a few times but it always seems to be too much a beta product. I get all kind of errors on the UI and the only way to know what has happened is to look at the controller's log, which is not practical in a prod environment.
Openstack, on the other hand, seems to be by far a more robust and stable product, however, there are too many modules and options that I'm not sure what to look for. Basically we want to deploy a relative scenario, similar to what we already have on SolusVM:
# a controller server
# KVM hosts with local LVM storage
# KVM hosts with iSCSI storage
Is there anyone who has done this, able to provide any lights on what/where should I look for?
Much appreciated.
OpenNebula springs to mind but not sure about current state of iscsi support
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Proxmox not an option? It's probably better than OpenStack if you don't have dozens of servers.
OpenNebula springs to mind but not sure about current state of iscsi support
Thanks, I will check them out. Never used the software so I'm not sure about how reliable it is to use in a prod environment.
Proxmox not an option? It's probably better than OpenStack if you don't have dozens of servers.
Actually, we have a few dozens of servers. I was looking at something that didn't use proprietary code such as Proxmox, but rather KVM, etc...
In a simple OpenStack setup with a few to some tens of compute nodes you'd have indeed one controller and the compute nodes.
Some of the hosting companies running OpenStack in production are: Ramnode, LunaNode, Vexxhost, Globo.Tech, IntoVPS (I'm affiliated with this last one).
In my experience it takes an experienced sysadmin about 6 months to learn to OpenStack to have a production ready install and be able to upgrade, reconfigure and manage it.
I recommend OpenStack-Ansible for installation and life cycle management.
OpenStack comes with Horizon - a web control panel for admins and end-users.
Horizon has these limitations:
pretty complex and overwhelming user interface
designed more for private clouds, not public clouds
does not handle cloud billing
becomes slow pretty quickly because it makes multiple HTTP API requests to OpenStack services when just displaying simple item lists
Companies have either developed an in house control panel from scratch to replace Horizon or buy a ready made solution.
Popular web hosting billing platforms have some modules for OpenStack billing but are pretty basic and not really designed on the cloud model or OpenStack model. E.g. no hourly billing, crowding all customers' VPS'es in a single OpenStack project (while an OpenStack project is an important unit of separation, you'd give end-users access to the OpenStack API based on project) etc.
A control panel and billing specifically designed for OpenStack is a more complex system tailored on the OpenStack auth & authz model, supporting more type of cloud resources and enabling cloud model hourly billing (like the big cloud players).
I would suggest to to your time and compare OpenNebula to OpenStack. Proxmox is good but it is a virtualization management app created for a management of VPS hosted on stand-alone physical hosts/servers. Unlike Proxmox, OpenNebula and OpenStack are Cloud infrastructure automation platforms. If you need to manage VPS hosted on a stand-alone server, don't forget to take a look at Virtualizor.
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Proxmos is way more than something designed to run VMs on a single server. It may have started out as that many years ago, but it's a long way from that now.
OpenStack - If you think CloudStack gave you grief, wait until you try OpenStack. It's not for the feint hearted, short of time or short of staff.
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Thank y'all for the suggestions. I was looking at Proxmox and found that running a CEPH storage server such as R730xd with KVM hosts seems to be a very interesting scenario. Their enterprise repo access is pretty cheap also.
Perhaps we'll be going instead of choosing Openstack.
Hey folks,
We're paying a lot of cash monthly to Solusvm to manage our VMs and KVM nodes. I want to migrate to an open-source and more customisable platform.
I've tried CloudStack a few times but it always seems to be too much a beta product. I get all kind of errors on the UI and the only way to know what has happened is to look at the controller's log, which is not practical in a prod environment.
Openstack, on the other hand, seems to be by far a more robust and stable product, however, there are too many modules and options that I'm not sure what to look for. Basically we want to deploy a relative scenario, similar to what we already have on SolusVM:
# a controller server
# KVM hosts with local LVM storage
# KVM hosts with iSCSI storage
Is there anyone who has done this, able to provide any lights on what/where should I look for?
Much appreciated.
deploying, operating, automating and delivering in OpenStack has been my full time job for the last 7+ years, so I can provide you some insights on this.
you want a solusvm alternative .. but do not make that the only point to chose an alternate open source equivalent as you are changing to a new technology anyway .. for example, what do you want to sell, how much of control you want users to have, how much back end administration you need to do etc. Do not think of the need of today ..
So this all depends on your goals and how you see yourself in the market. If your goal is to just have an open source system that will provide the same as solusVM, then proxmox is a very good choice. Highly recommended.
With OpenStack, you will not have any licensing .. and new version and features come out every 6 months .. so there might always be new stuff for you to sell.
Feature wise, on top of self-service hosting, you can easily start selling things like DNS as a service, Load Balancers as a service, Object Storage, Volumes, Containers etc.
If you want to sell yourself as cloud provider -- where people can create site-to-site VPN to your cloud and deploy their instances and virtual routers and run their workload, or if you want to provide solutions to corporate, or colleges, tie in with their AD/LDAP system, site to site vpn tunnelsetc, then surely OpenStack. Openstack has grown a lot and is now a stable and robust product. This is why if you look into the popular companies providing cloud - redhat, suse, canonical, cisco, dell .. all their cloud reference architecture is based on openstack and ceph. You can go to https://www.openstack.org/user-stories/ to check who already use OpenStack and for what reason. It proves for its stability and reliability and most important -- its flexibility.
It is true that there are many modules, but it is because its very flexible and what modules you select and how you build it depends entirely on your needs of tomorrow (not today). If you look into the needs of today, 6+ months down the line, you might be 'oops .. we built it wrong .. " or "we could have selected a different technology" etc. Will you be just IaaS, or do you want to do PaaS, SaaS etc down the line .. what your customers might look like .. do you plan to be just a provider .. or be a providers provider .. .. what price segment you want to package and sell your products and solutions .. what kind of workload do you expect .. those are all the questions you should be asking .. The link will show you how its used and how it can be potentially used .. so that you can see how you can market your product/solutions on top of it. If you have a lot of customers, then you might already have some data on up-selling possibilities.
Your location is shown as from Brazil .. you should also factor .. what advantage will i have on my local area/city/country based on a how flexible/feature-rich cloud provider you will be .. what kind of companies, business etc can utilize your cloud etc ..
After you have this worked out, then only comes how you are going to set this up and what modules, networking, number of servers, getting-started, where to go for support, how to build it, how to operate it, how to sustain it etc topics and the whole architecture of it..
using it just for a solusvm replacement will be under-utilizing its potential and might also be an overkill for your team trying to implement, support, upgrade, understand, keep it updated etc. You would be good migrating to proxmox.
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