Support in OpenStack Nova The Selectel cloud is built on top of OpenStack. Therefore when looking for a tool we also estimate the costs of implementing in OpenStack. We were lucky and the OpenStack project already provide for the use of control groups doka doka . In the course of the tests we found out […]
Super important software is deploye on virtual machines for example Jira and Confluence as well as a number of smaller services some kind of telegram bot for reminders. Perhaps there are a number of experimental services and applications individual employees have made themselves convenient tools. For reliability each application or service is running in its […]
How to limit a virtual machine by use CPUs. This question arose for us when we wante to make the cloud platform more flexible and reuce the cost of infrastructure for customers. The result is a line of Share Line virtual machines . These are cloud servers with a guarantee share of core performance they […]
As a result these remains are simply not use. To avoid this situation the provider has to play Tetris no really . Move virtual machines from host to host to pack them more tightly. This is a very costly process. Ability to create cheaper infrastructure in the cloud If it is possible to manage the […]
What is the name of MLAG for different vendors In most cases MLAG hides the reundancy of two boxes switches that are connecte by one or more cables. All vendors recommend using at least two cables for reundancy so that you can for example safely clean the optics or re crimp the main cable. Ports […]
They may vary depending on the size of the stack. For example to connect the zero switch to the upper one you nee a longer cable than for the link between the first and second devices. In addition stack cables are thick and difficult to squeeze into racks. Stack rear view. Source The second and […]
With the help of these schemes several cases can be worke out Direct access from the server to the Internet . For example from server B through the first switch. Provide that there is a live link between them the first scheme . Feint through the second switch . If the link between server B […]
In addition to their own solutions major cloud providers also offer software from popular partner vendors. Here the profit in addition to the spee of setup is in the convenience of payment in a single window . Who will suit Companies that are ready to delegate the solution of the backup task. This choice allows […]
Such backups for example can be use by a small company or an individual entrepreneur in the field of IT consulting. Their resources allow us to work out the mechanism for setting up the RK. Manual backup makes it quick and easy to make a copy but the responsibility for copying lies with you if […]
In this article we will look at the main types and methods of backup so that you can find the right one for your product. As much as we would like it there is still no backup system that can be run once and not touch anything else. A good system administrator knows that backups […]
If a company does not nee active infrastructure replication it can save on resources. Disaster Recovery as a service As an alternative to creating a backup site on your own in the cloud you can consider a ready made DR service. In addition to switching to the OPEX model it will facilitate tasks such as […]
The causes of failures can be both ordinary a power outage in the area where the equipment is locate and problems with the network or emergency. For example DR prepares the service for earthquakes fires floods. Any events that seriously harm the data center with the companys infrastructure up to and including complete destruction. In […]
