(IDC Peng Shuai)
What is off-site disaster recovery
First, that under disaster recovery are actually two different concepts, disaster recovery is an enterprise in order to ensure the business systems in case of accidental causes of suffering can guarantee the normal operation of the existing business systems deployed in different places with the existing set as business systems production environment to ensure the normal operation of the business.
Data backup is a catastrophic accident because of reasons such as loss caused by deletion and hard disk backup or use other software to do. In fact, integration is yet to come when the disaster recovery, backup and disaster recovery systems also are independent. With the advent of disaster recovery products, the ultimate goal is to help companies deal with human error, "hard" disasters software errors, viruses, etc. *** "soft" disasters and hardware failures and natural disasters.
Disaster Recovery Category: disaster recovery system is divided into two categories, one is a data disaster recovery system, one is the application of so-called data disaster recovery system is to create a system backup and a system locally in the same places, the local equivalent of a copy products, off-site disaster recovery data is in the local data and applications throughout a disaster occurs, the system has saved at least one data available critical business elsewhere. The data may be entirely locally produced real-time replication of data can also be slightly behind than the local data, but must be available. The main technology is used in data backup and data replication technology. The so-called disaster recovery applications, is based on data disaster in different places to establish a complete production system with considerable local backup application (can be back up each other), in case of an accident or disaster situations, off-site backup mechanism can remote system running quickly take over the business, the choice of disaster recovery system construction, but also to establish a multi-level WAN failover mechanisms. A local server system refers to a case where a plurality of servers running one or more applications, should ensure that any failure of any server, which can not be interrupted to run applications, applications, and systems should be able to rapidly switch to other servers running, That is the local system and cluster hot backup. In fact, high availability and capacity of local systems highly available WAN capacity range should form a whole, multi-level failover and recovery mechanism to ensure reliable and safe systems in various ranges.
Although we can understand the importance of disaster recovery backup, but not every business is have this ability, but there is UCACHE cloud disaster recovery for SMEs to achieve a distressed because of the pre-budget brought, UCACHE use cloud disaster recovery existing data center hardware and software of the overall program to achieve a cloud disaster recovery, low cost, flexible solution to ensure enterprise deduplication: cumulative deduplication ratios of up to 99 percent, reduce backup windows, compression ratio of 1: 7.UCACHE cloud disaster recovery functions are listed: data retention policies, traffic control, task alarms, task log, FusionCloud cloud platform backup / restore, FusionCloud cloud platform backup / restore, VMware virtualized architecture backup / restore, H3CCAS cloud platform backup / restore, OpenStack cloud platform backup / restore, XenServer virtualization backup / restore, Hyper-v virtualization platform, public cloud instance backup / recovery, operating system backup (windows, linux) backup / restore, file system backup / restore, volume-level backup / restore, parallel deduplication, deduplication parallel DB2 \ GaussDB \ GBase \ MySQL \ Oracle \ SAPHANA \ SQL \ Sybase \ TimesTen backup / recovery
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