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4.8 Mirrored Hot Standby Solution for Dual-machine Disaster Recovery
4.8 Mirrored Hot Standby Solution for Dual-machine Disaster Recovery
Date: 2018-12-06

RoseMirrorHA

  With the development of server hardware and software, server performance, internal storage capacity, and network transmission capabilities have been greatly improved. RoseMirrorHA makes full use of the server's internal storage and network transmission capabilities to achieve real-time network-based data mirroring, providing a pure soft high availability solution that does not require shared storage.

简介 RoseMirrorHA Introduction

RoseMirrorHA is a pure soft high availability system that does not require shared storage based on real-time data mirroring. In traditional high availability systems, shared storage is needed to share data and improve performance, but this also increases the cost of availability systems. RoseMirrorHA implements real-time mirroring of data between two hosts through the existing Ethernet infrastructure and TCP / IP protocol, without the need for additional hardware investment. On the basis of making full use of existing resources, pure software high-availability systems are realized through advanced software technology.

RoseMirrorHA high availability system can monitor and protect the IP, application, and data of the host. When an application or host fails, RoseMirrorHA will automatically and quickly switch applications to the standby machine to ensure the continuity and availability of application services. Ensure the continuous operation of the company's business.

RoseMirrorHA supports Active / Standby and Active / Active modes. In the Active / Standby mode, one host acts as the Active host, runs important applications and provides various application services to the client, and the other host acts as a standby machine to monitor the operation of the Active host in real time. When the Active host fails, After that, the standby machine takes over the application services on the Active host. In Active / Active configuration mode, each host runs its own application. When the server runs its own application service, it also acts as a backup for another host, that is, the two hosts are each other's backup.


RoseMirrorHA performs real-time data replication between two hosts over the network. When the active host fails, RoseMirrorHA will automatically switch the service to the standby. And on the basis of the standby machine image data, continue to provide business services to clients.

Introduction of main features

无缝集成到既有系统环境 l Seamless integration into existing system environment

支持客户既有的环境,充分利用客户既有的资源。 RoseMirrorHA supports customers' existing environments and makes full use of their existing resources. Fully protect user investment and protect users' existing applications and data. Maximum adaptation to existing software and hardware environments without the need to add dedicated shared storage devices to build a highly available system.

Efficient and mature multiple mirroring methods

Supports full mirroring and differential mirroring

Active 主机的数据无条件重新传输到 Standby 主机,不论 Standby 主机是否已经存在该文件。 Full mirroring: Unconditionally retransmit data from the active host to the standby host, regardless of whether the file already exists on the standby host. Can ensure the integrity and consistency of the data. Usually during initialization, a full mirroring method is required.

Standby Active 不同的部分,而不必传送相同部分的数据,可以减少对网络等资源的使用,提高数据镜像的效率。 Differential mirroring: Only transmitting different parts of Standby and Active without transmitting data of the same part, which can reduce the use of resources such as the network and improve the efficiency of data mirroring.

Optimization of on-demand performance resources

支持复制数据集的定义,用户可以选择定制需要复制的目录、文件。 RoseMirrorHA supports the definition of replicated data sets. Users can choose to customize the directories and files that need to be replicated. 的数据镜像是基于文件系统之上的,仅仅复制文件变化的部分。 RoseMirrorHA 's data mirroring is based on the file system, copying only the changed part of the file. 通过自身的驱动程序来监控用户指定数据集,获取变化内容进行传输处理。 RoseMirrorHA monitors the user-specified data set through its own driver, and obtains the changed content for transmission processing. This on-demand copy in bytes guarantees optimal system performance and efficiency.

支持在线备份数据或维护 l Support online backup data or maintenance

Support target write pause

When you need to back up and view the copied data on the standby machine and do not want new data to be written, you can make the standby machine pause writing. After the pause, the data will still be sent to the standby machine, and the standby machine will cache the data after the suspension. stand up. After the standby machine completes the data operation, it writes the cached data to the data set to resume normal operation.
Active 主机传输暂停 Support Active Host Transmission Pause

允许对 Active 主机复制的数据暂停发送,暂停后变化的数据仍然将被获取,变化的数据将被存入 pagefile ,等待传输暂停恢复后发送。 RoseMirrorHA allows to suspend the sending of data copied by the active host. After the suspension, the changed data will still be obtained, and the changed data will be stored in the pagefile , and will be sent after the suspension of transmission is resumed.

Eliminate the backup window

By suspending the writing to the standby machine or suspending the transmission of the host, you can back up the data to the tape library through the standby machine while ensuring that the host application runs continuously online. That guarantees the continuous operation of the business, and the performance is not affected. At the same time, more ways can be performed on the data and more flexible backup protection. At the same time, the operation time of the backup operation is also more flexible, and you don't have to wait until evening or weekend.

智能的故障处理恢复机制 l Intelligent fault processing and recovery mechanism

pagefile 机制 Support pagefile mechanism

pagefile 中,当可以发送后继续进行发送,保证数据不会丢失。 When data cannot be sent under network failure, transmission suspension, etc., the service can temporarily store the data in the pagefile , and continue to send when it can be sent to ensure that data will not be lost. 的大小可以自行设定。 The size of the pagefile can be set by yourself .

Intelligent data transmission

RoseMirrorHA 的数据复制不会停止,而是将复制的数据放入 pagefile 中,当网络恢复后将自动地将 pagefile 中的数据发送到目标机,而不需要重新进行同步,有效地减少了网络和 CPU 的负担。 When the network fails, RoseMirrorHA 's data replication will not stop, but the copied data will be placed in the pagefile . When the network is restored, the data in the pagefile will be automatically sent to the target machine without re-synchronization. This reduces the load on the network and CPU .

Support disk space monitoring

提供磁盘空间监控功能,当磁盘的可用空间低于设定值时,将通过邮件、在线消息进行报警。 RoseMirrorHA provides disk space monitoring function. When the free space of the disk is lower than the set value, it will send an alarm through email or online message.

Support email message notification

支持邮件信息通知,当发生异常情况时,系统将自动地发送信息给设定的邮箱,帮助管理员及时了解系统运行状态。 RoseMirrorHA supports email information notification. When an abnormal situation occurs, the system will automatically send a message to the set mailbox to help the administrator understand the system operating status in time.

完整的数据属性复制支持 l Full data attribute replication support

Windows 多数据流 Support Windows multiple data streams

支持 Windows 多数据流的复制。 RoseMirrorHA supports the replication of multiple data streams in Windows .

ACL Support ACL

支持 Window Access Control List ACL )的复制。 RoseMirrorHA supports the replication of Window Access Control List ( ACL ).

自动的应用高可用性保护 l Automatic application high availability protection

IP Support activity IP

中每个被保护的应用可以建立最多8个活动 IP ,客户端端可以通过活动 IP 访问应用服务。 Each protected application in RoseMirrorHA can establish up to 8 active IPs , and the client can access application services through the active IP .

MAC 地址 Support virtual MAC address

IP 与唯一的 MAC 绑定在一起。 In a network environment, each IP is bound to a unique MAC . IP 在不同时刻绑定不同的 MAC 地址,导致跨网段通信出问题。 However, under the traditional cluster structure, the active IP of the cluster will be bound to different MAC addresses at different times , resulting in communication problems across network segments. Rose 集群软件提供了支持虚拟 MAC 地址的功能,使集群环境 IP 地址实现与唯一 MAC 地址绑定。 In order for the cluster software to better support this network security level network environment, Rose cluster software provides the function of supporting virtual MAC addresses, enabling the cluster environment IP addresses to be bound to unique MAC addresses.

JOB 配置多个活动 IP Support single JOB to configure multiple active IPs

JOB 中,多片物理网卡上绑定不同的活动 IP ,适应同一应用同时提供不同网段(内网 / 外网)的服务。 Supports binding different active IPs on multiple physical network cards in the same JOB , adapting to the same application to provide services on different network segments (internal network / external network) at the same time .

Windows 主机别名 Support for Windows host aliases

中每个被保护的应用都可以建立多个主机别名,客户端可以通过别名访问应用服务。 Each protected application in RoseMirrorHA can establish multiple host aliases, and clients can access application services through the aliases.

Support application process monitoring

可以监控标准的 Windows 服务或是 Linux 平台的应用,同时支持以自定义方式对用户自己的应用进程进行监控。 RoseMirrorHA can monitor standard Windows services or applications on the Linux platform, while supporting user-defined application process monitoring in a custom way.

IP 的监控 Support network card and active IP monitoring

将对主机的网卡、活动 IP 的状态进行监控,当发生故障时通过在线消息等进行通知。 RoseMirrorHA will monitor the status of the host's network card and active IP , and notify it through online messages when a failure occurs.

Support multiple heartbeats

支持 Socket RS232 两种类型的心跳,并支持心跳冗余,最多允许三条心跳。 RoseMirrorHA supports two types of heartbeats, Socket and RS232 , and supports heartbeat redundancy, allowing up to three heartbeats. When configuring long-range high availability systems, use NIC-type heartbeats.

Enhanced data security policy

提供全面的数据安全策略,对数据的可用状态进行监控,充分保证切换后的数据状态是一致有效的。 RoseMirrorHA provides a comprehensive data security policy, which monitors the available status of data and fully guarantees that the data status after switching is consistent and effective.

完整的高可用性保护策略,在主机发生故障时,可以及时自动的将应用服务切换到备机,确保业务的迅速恢复。 RoseMirrorHA's complete high-availability protection strategy can automatically switch application services to a standby machine in a timely manner when a host fails, ensuring rapid business recovery.

简洁直观的管理工具 l Simple and intuitive management tools

简洁直观的图形化管理工具( GUI ),可以在网络中的任何一个地方管理网络中的 RoseMirrorHA 主机,实现了远程管理。 RoseMirrorHA's simple and intuitive graphical management tool ( GUI ) can manage the RoseMirrorHA host in the network anywhere in the network, and achieve remote management. 简洁易用的配置管理方式,大大降低了系统的实施管理和维护成本。 RoseMirrorHA's simple and easy-to-use configuration management method greatly reduces system implementation management and maintenance costs.

体贴的应用配置向导支持 l Thoughtful application configuration wizard support

Excellent application configuration wizard support simplifies the configuration task. The configuration wizard makes it easy to set up application services by following the wizard's prompts. 的配置向导中提供了许多常见应用(如: Oracle MS SQL Exchange 等)的配置模板,用户可以很方便地使用向导进行配置,实现应用程序的实时数据复制和高可用性。 RoseMirrorHA 's configuration wizard provides configuration templates for many common applications (such as: Oracle , MS SQL , Exchange, etc.), and users can easily use the wizard to configure them to achieve real-time data replication and high availability of applications.

Software Specifications

支持系统及版本清单 RosemirrorHA Support System and Version List

 

 

Hardware platform

the system platform

List of supported systems

current version

x86

Windows

Microsoft Windows 2000 Server, Advanced Server, DataCenter
Microsoft Windows Server 2003 Web; Standard; Enterprise; Datacenter
Microsoft Windows Server 2008 Web; Standard; Enterprise; Datacenter
Microsoft Windows Server 2008 for Itanium-based Systems

Version: 4.3.0

Linux

RedHat:
Redhat Enterprise Linux 3.0
Redhat Enterprise Linux 4.0
Redhat Enterprise Linux 5.0
Redhat Enterprise Linux 6.0
SuSE:
SuSE Linux Enterprise 9.0
SuSE Linux Enterprise 10.0
SuSE Linux Enterprise 11.0

Version: 4.3.0

Solaris

Solaris Operating System 10

Version: 3.2.0

x64
(AMD64 & EM64T)

Windows

Microsoft Windows Server 2003 (x64) Web; Standard; Enterprise; Datacenter
Microsoft Windows Server 2008 (x64) Web; Standard; Enterprise; Datacenter
Microsoft Windows Server 2008 R2
Web; Standard; Enterprise; Datacenter

Version: 4.3.0

Linux

RedHat:
Redhat Enterprise Linux 4.0
Redhat Enterprise Linux 5.0
Redhat Enterprise Linux 6.0
SuSE:
SuSE Linux Enterprise 9.0
SuSE Linux Enterprise 10.0
SuSE Linux Enterprise 11.0

Version: 4.3.0

Solaris

Solaris 10

Version: 3.2.0

Sparc

Solaris

Solaris Operating System 8/9/10

Version: 3.2.0

 

支持应用清单 RoseMirrorHA Support Application Checklist

the system platform

Software type

Support list

windows

database

Microsoft Sql Server 7.0 / 2000/2005/2008
Oracle
Sybase
DB2
MySql
PostSQL

Mail Server

Exchange 2003/2007
Domino
Sendmail

服务器 Web server

IIS
Tomcat
Apache

file server

FTP

Custom

User Define Application

Linux

database

Sybase
Oracle
DB2
MySql

Mail Server

Postfix
Sendmail

服务器 Web server

Tomcat
Apache

file server

NFS, Samba

Custom

User Define Application

Solaris

database

Sybase
Oracle
DB2
MySql

Mail Server

Postfix
Sendmail

服务器 Web server

Tomcat
Apache

file server

NFS, Samba

Custom

User Define Application

 


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