This article brings you the FAQ about what is an elastic bare metal server. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Elastic bare metal server FAQ
What is an elastic bare metal server?
Elastic bare metal servers combine the respective advantages of physical machines and cloud servers to achieve super strong and stable computing capabilities. By using virtualization 2.0 technology independently developed by Alibaba Cloud, your business applications can directly access the processor and memory of elastic bare metal servers without any virtualization overhead.
Elastic bare metal servers have complete processor features at the physical machine level (for example, Intel VT-x), as well as resource isolation advantages at the physical machine level, and are particularly suitable for cloud deployment of applications in traditional non-virtualization scenarios.
What are the essential differences between elastic bare metal servers, traditional cloud hosts (virtual machines), and traditional physical machines?
For the functional and performance differences between elastic bare metal servers and traditional cloud hosts (virtual machines) and traditional physical machines, please refer to elastic bare metal servers (Dragon) and super computing cluster (SCC) servers.
What are the technological innovations of elastic bare metal servers?
The elastic bare metal server has created the world's leading server that deeply integrates the characteristics of physical machines and virtual machines through self-developed chips and hypervisor system software as well as redefining server hardware architecture and other software, hardware and chip technologies. Innovative computing architecture.
The elastic bare metal server creates a new form of cloud server, which can be seamlessly connected with other computing products in the Alibaba Cloud product family, such as storage, network, database and other products, and is fully compatible with ECS cloud servers. Mirror system of instances to more diversify resource construction based on your business scenarios.
What value does elastic bare metal server bring to you?
Elastic bare metal servers realize customer value through technological innovation. Specifically, the elastic bare metal server achieves the following design goals:
Any Stack on Alibaba Cloud
The elastic bare metal server takes into account the performance advantages and complete features of physical machines With the management convenience and price advantage of cloud servers, its launch further addresses your strong demand for high-performance computing and better helps you build a new hybrid cloud. Elastic bare metal servers not only have the flexibility and elasticity of virtual machines, but also have all the features and advantages of physical machines, so they also have the ability to be virtualized again. Offline private clouds can be seamlessly migrated to Alibaba Cloud without worrying about the performance overhead caused by nested virtualization, providing you with a new way to migrate to the cloud.
Exclusive computing resources for users
As a cloud elastic computing product, the elastic bare metal server surpasses the performance and isolation of the physical machine level in the current era, making it You have exclusive computing resources, without the performance overhead and feature loss of virtualization. In terms of CPU specification selection, it supports multiple specifications such as 8 cores, 16 cores, 32 cores, and 96 cores, and supports ultra-high frequency instances. Taking 8-core products as an example, elastic bare metal server instances support ultra-high main frequencies of 3.7 GHz ~ 4.1 GHz. Compared with similar products, it can provide better performance and faster response for gaming and financial services.
Encrypted Computing
In terms of security, in addition to physical isolation features, elastic bare metal servers also have elastic bare metal servers to better protect the security of your cloud data. The metal server uses a chip-level trusted execution environment (Intel ® SGX) to ensure that encrypted data can only be calculated in a safe and trusted environment. This chip-level hardware security guarantee is equivalent to providing a safe function for users' data on the cloud. Users can control the entire process of data encryption and key protection.
Super Computing Cluster
For high-performance computing scenarios, Alibaba Cloud will also launch a Super Computing Cluster (SCC) service based on elastic bare metal servers. The product uses high-bandwidth and low-latency RDMA (Remote Direct Memory Access) network interconnection between nodes in the cluster to ensure the high degree of parallel efficiency required by high-performance computing applications. At the same time, the RoCE (RDMA over Converged Ethernet) network speed reaches the performance of the Infiniband network and can support a wider range of Ethernet-based applications. The SCC cluster built on elastic bare metal servers, together with Alibaba Cloud ECS, GPU cloud servers and other computing products, provides Alibaba Cloud's elastic high-performance computing platform E-HPC with parallel computing resources comparable to supercomputing centers, enabling cloud computing Supercomputing is truly realized.
What is the network performance of elastic bare metal servers?
The network performance of elastic bare metal server instances is related to the instance specifications: small-sized instances have low network performance, while large-sized instances have high network performance. For the network performance corresponding to different instance types, please refer to the instance type family.
What disk types does elastic bare metal server support? How many data disks can be mounted?
The elastic bare metal server supports high-efficiency cloud disks and SSD cloud disks, and can mount up to 16 data disks.
How to create an elastic bare metal server instance?
You can refer to Creating an Elastic Bare Metal Server.
What system images does elastic bare metal server support?
The elastic bare metal server supports Linux and Windows mainstream image versions.
Supported Linux images include:
CentOS 7.2/7.3/7.4/6.9/6.8 64-bit
Ubuntu 14.04/16.04 64-bit
Debian 8.9 /9.2 64-bit
OpenSUE 42.3 64-bit
SUSE Linux Enterprise Server 12 SP2 64-bit
Aliyun Linux 17.1 64-bit
Supported Windows images include ：
2016 Data Center Edition 64-bit Chinese version
2016 Data Center Edition 64-bit English version
2012 R2 Data Center Edition 64-bit Chinese version
2012 R2 Data Center Edition 64-bit English version
Does the elastic bare metal server support specification changes and downtime migration?
Currently, specification changes are not supported. When a hardware failure occurs on the elastic bare metal server, failover is supported and the data is retained in the cloud disk.
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