The cloud storage of data is a special virtual model of storage for information. Data are stored on numerous servers which are provided in use to clients. Processing of all information happens in "cloud", representing the big virtual server for the user.
The cloud storage of data is useful to users with several devices. For example, in the presence of one working computer, the home laptop and the smartphone the cloud will help to organize effectively availability of the same files on all devices. Besides the storage will allow to unload the hard drive of the computer and to save backup copies of important files.
Synchronization of data in the cloud storage
For synchronization of information with all devices it is required to install the special program and to register path to folders for the room in a cloud. The program will copy folders in storage and will monitor change of files in these folders.
At change or adding of documents the program in the automatic mode will make changes to the cloud storage of data. To the contrary, if in a cloud to make changes to the file, the program synchronizes it with the file of the computer.
That is, at connection to storage of several computers or the smartphone, on each of devices a relevant set of documents will be displayed. Always there is an opportunity to edit the document in the computer, and then to open the changed file on the mobile device.
At synchronization of data the errors depending on work of the software or a human factor are not excluded. To minimize similar errors, it is worth using the cloud storage with the history of change of files. It is very important to wait for full synchronization of documents before completion of a session of the computer.
What cloud storage select
The owner of the server provides free space for information to everyone. Access to the server can be free, paid, or conditional and free. Free cloud storages are most popular, but they have restrictions on volume. It is possible to increase cloud volume by purchase of a special data plan.
Here comparison of some cloud storages which are free of charge providing the place for storage:
- Ru cloud – 100 GB;
- MEGA service – 50 GB;
- Google Disk – 15 GB;
- Disk – 10 GB;
- OneDrive — 7 GB;
- Dropbox — 2 GB.
On some services the free volume can be increased significantly if to do mailing of invitations familiar. Such opportunity is given by Yandex.Disk and OneDrive.
It is important to remember that the cloud storage of data is on the third-party server and can become unavailable at any moment. You should not store significant files only on one resource, the probability to lose them is high.
Open is a question of protection and transfer of confidential data. It is impossible to store personal information in the cloud storage – for example, intimate photos, passwords to mailboxes or credit card numbers.