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How SSD Storage Makes Your VPS Faster

Samsung 840 PRO SSD on OpenVZ Servers

There has been a lot of buzz in the industry lately about SSD storage, the benefits to I/O speed that it brings relative to it’s cost is something that makes it an attractive investment for both business and personal use.

This post should clarify the common questions you’re faced with when deciding if the added cost of using SSD based storage is really something they should invest in.

The image below is a very simple (and standard) benchmark test used to see what the sequential write speed of your filesystem is. Typically speaking anything above 80-120 MB/s on this test is an indication of a filesystem powered by something more powerful than the typical 4 SATA drive RAID10 setup. In this case, the test below was the result of a two drive RAID1 setup with Samsung 840 PRO SSD drives. The theoretical maximum write on these drives is about 450 MB/s.

IO Test on Samsung 840 PRO

So what does this do for you? Well, knowing the read and write performance of your underlying file system can help solve problems and plan for future growth of your website, applications and or database performance. I/O is often the most commonly over looked parameter when sizing up a server to run in a production envoronment. The typical CPU, Memory & Disk Space are the common 3 factors that are used to determine a comparison in price point amongst hosting companies. Unfortunately, not many will post the I/O performance of the disk space that is sold.

Common Questions to Ask

  1. Are you running a web application that requires the use of a Database?
  2. Do you require a lot of storage space?
  3. Does your application or task do more reading or writing to disk?

Generally speaking, if you don’t need hundreds of gigabytes of storage space and you are using some type of database, SSD based storage will make a noticeable difference immediately. Most times, if you are on older hardware with SSD real world performance can actually greater than state of the art hardware that is experiencing an I/O bottleneck.

At OpenVZ.ca, SSD storage can be added to any existing or new plan at an additional cost of $5 /month. It will require a migration to another physical node setup with SSD storage, but this migration is seamless and results in no downtime.

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New VPS Plan Added Today

We are pleased to introduce the “Micro” VPS plan, added today for purchase.

The new plan comes at a very low price of $30 /year and includes the following resources:

  • 1x Intel Xeon X3400 Cores
  • 128MB Ram (128MB vSWAP)
  • 5GB Hard Drive
  • 50GB Monthly Transfer
  • 1 IPv4
  • 1 IPv6
  • SolusVM Control Panel
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New LowendBox.com Exclusive VPS Plan Coming Soon

It’s was time for us to submit a more updated offer to the lowendbox.com community. All users that have the OpenVZ.ca LEB Exclusive plan have been automatically migrated to the new plans features/resources. The price is exactly the same.

We’d like to take this opportunity to thank you for being our customer and giving you a sneak peak at the resources available on the new plan before it is published.

Unfortunately we can’t share the info just yet, but we have been told that it will be posted on lowendbox.com in the coming days.

Update

Posted April 27
http://www.lowendbox.com/blog/openvz-ca-7month-512mb-openvz-vps-in-montreal-canada/

  • 512MB RAM
  • 256MB Swap
  • 2 vCPU Core
  • 20GB Raid1 Diskspace
  • 500GB Bandwidth
  • 200Mbps Port Speed
  • 1 IPv4 Address
  • 1 IPv6 Address
  • OpenVZ/SolusVM
  • $7/Month | Order Link
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ownCloud One-Click Install from SolusVM on OpenVZ VPS Accounts

ownCloud One Click InstallDue to popular demand, we have created an OpenVZ OS template based on Centos6 x86_64 that has ownCloud v 4.5 installed with a default version of Apache, PHP5 and SQLite.

Current, or new users can select this template from SolusVM under the “Re-Install” tab. Once completed, all you need to do is login via ssh, start Apache with “service httpd start” command and point your browser to the IP address of your VPS.

Some of the benefits of hosting your own cloud for files (like ownCloud) include:

  • Full control of your files
  • Secure server which you have root access to
  • Privacy
  • Eliminate DropBox
  • More professional
  • Keep your digital rights to photos

What does ownCloud allow me to do?

For starters, you can use it as a secure replacement for DropBox, and you can even password protect the URL’s you send to other users in-case the file is sensitive in nature.

You can upload any kind of file (up to 512MB per file) and access it from the web, through WebDAV, the ownCloud iPhone App, and the Mac OS X/Windows Desktop App.

It is a music player and video streamer (with supported addon enabled).

Bottom Line

You can have full control of your files, share them with your friends or collaborate with your clients if you are a small/medium business owner in a very simple tool.

The benefit of using it on an OpenVZ.ca based VPS, is that you can scale resources as you grow. Start out with the Small VPS package and go beyond the storage of ExtraLarge as you need it.

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Ubuntu 11.10 CPU at 100% on Boot (Init Process) Bug

There is a bug in Ubuntu 11.10 running on OpenVZ that causes the CPU to spike to 100% shortly after booting.

To fix this issue without asking for assistance by an administrator, type the following commands as root:

# apt-get install python-software-properties
# add-apt-repository ppa:jammy/upstart.fix-880049
# apt-get update && apt-get upgrade
# reboot

Once your VPS has been rebooted the bug will go away.

This only affects Ubuntu version 11.10.

If you have any additional problems, or if this doesn’t fix the problem, please open a support ticket.

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Can I run Virtualmin with under 512mb of Ram?

One of the most popular trends we have been seeing at OpenVZ.ca as of late is the huge incoming flow of orders on which our customers are choosing Virtualmin GPL as their desired control panel. As an alternative to cPanel or DirectAdmin it has some advantages. The first and foremost is that it is free (There is a paid version with more features) and it accomodates the more advanced users giving access to such things as apache configuration files and named zone files.

So why am I writing about this? Well, majority of these new orders are placed with the most minimum VPS package we offer, “Small.” Weighing in at 128mb of ram and 2 CPU cores at 1.0ghz this configuration will create errors even before you try to run Virtualmin GPL.

In order to run Virtualmin GPL properly you will need a “Class A” supported system which is on the Virtualmin Website, and at a very minimum 512mb of ram.

RAM Usage on OpenVZ Virtualmin CentOS Fresh Installation

RAM Resources during/post Installation on CentOS 5 in OpenVZ

We have done some experimenting and the installation script will fail with errors unless you have approximately 490mb of ram available. This is on an OpenVZ VPS (XEN may be different).

At 512mb of ram, the installer will complete and you will be able to run the panel but when you go through the setup wizard do not select any options which require more ram or you will max out the guaranteed resources for your VPS.

In short, if you want to run Virtualmin GPL on a VPS do so with at least 768mb of guaranteed ram and if possible go for 1gb to accomodate for future growth. Always use a “Grade A” supported system and make sure that you scatter virtualmin’s default cron job’s throughout the day so that you do not max out all of your CPU time at midnight.

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