Elastic ECS is based on several servers or clusters to integrate resources through relevant technologies. It generates relevant host resources on demand through the cloud control platform. Each ECS has full control permissions, and can configure the environment according to user needs. The operation is no different from that of independent hosts. The cloud service uses distributed storage, free backup service, and can be purchased on demand to achieve smooth upgrade, with high cost performance, high security, and high flexibility.

sure. The number of flexible cloud servers can be purchased on demand, and the CPU, disk, bandwidth, etc. can be expanded separately.

sure. Some machine rooms (intelligent multi line/telecom machine room/Asian double line machine room) of the flexible cloud server of Shuzhiling support the addition of independent IP addresses, 380 yuan/piece/year.

Four copies of data are saved in real time by the flexible cloud server. Even if three copies are damaged at the same time, the data will not be lost. At the same time, the system performs cloud backup every 7 days or so. For the data deleted by mistake, the user can restore the system data to the last backup on the control panel, and attach the backup disk separately to restore some data.

Elastic ECS is the third-generation ECS system developed by our company. Compared with the second-generation package ECS, it has the following advantages: more flexible purchase (free upgrade and downgrade at any time), higher reliability (lower failure rate), support for hot migration ARP protection, intranet, multiple backup and other new functions are suitable for middle and high-end customers who have higher requirements for stability and are not particularly sensitive to price. The second generation of package ECS has faster IO (no need to write four copies of data at the same time), and is cheaper than elastic cloud in the same high configuration. It is suitable for customers who do not have particularly high requirements for stability but require low prices. At the same time, package ECS is also suitable for customers who have a particularly large demand for disk usage and need for record free machine rooms.

Yes, we provide a "website management assistant" and a powerful control panel, which can easily use our ECS like a virtual host. However, if you do not know much about technology, it is recommended to use the operating system template with sqlserver+website management assistant recommended by us instead of pure version and linux system, otherwise it may be difficult to operate.

At present, there are many domestic companies that provide "cloud servers", but most of them sell a physical server with a large hard disk and large memory to customers through virtualization technology, which is actually VPS. VPS is basically the same as ECS in terms of use, so customers often do not perceive it. However, compared with the real ECS, VPS has obvious gaps in disaster tolerance, fault migration, and elastic expansion. At present, only a few companies in China, such as Alibaba Cloud, Shuzhiling and Huawei Cloud, provide real cloud computing. Before purchasing, customers can ask the service provider the following questions to determine whether it is real cloud computing:

A. In terms of storage, do you use local storage or distributed storage? When the physical server where my cloud server (VM) is located has a hardware failure (such as a damaged motherboard), can I switch my cloud server to another standby node and restore services within five minutes?

B. Is hot migration supported? Whether hot migration can be performed without shutdown when the original cluster is overloaded and needs to be migrated to a new cluster, Is the IP unchanged? The physical computing server must be upgraded in the future. Will it cause the interruption of my ECS when maintaining the physical server?

C. I need 10 ECS servers. Is there an intranet connection between these 10 hosts? Is it a private intranet?

D. Can you expand content, hard disk, and bandwidth at any time? Does the server need to be migrated and how long is the outage?

Shuzhiling's ECS uses distributed storage, supports rapid failover, and supports hot migration. Cluster hot migration does not require downtime, The IP does not change. The physical server upgrade and maintenance will not cause the ECS to be interrupted. By default, it supports private intranet interconnection, which is faster and safer. Memory, bandwidth The CPU is upgraded or downgraded, and the hard disk can be upgraded and expanded at any time (the hard disk cannot reduce the capacity). The server cluster does not need to be migrated during capacity expansion. It only needs to be restarted once, with an interruption of about 1 minute.