| Information | |
|---|---|
| has gloss | eng: High-availability clusters (also known as HA Clusters or Failover Clusters) are computer clusters that are implemented primarily for the purpose of providing high availability of services which the cluster provides. They operate by having redundant computers or nodes which are then used to provide service when system components fail. Normally, if a server with a particular application crashes, the application will be unavailable until someone fixes the crashed server. HA clustering remedies this situation by detecting hardware/software faults, and immediately restarting the application on another system without requiring administrative intervention, a process known as Failover. As part of this process, clustering software may configure the node before starting the application on it. For example, appropriate filesystems may need to be imported and mounted, network hardware may have to be configured, and some supporting applications may need to be running as well. |
| lexicalization | eng: High availability cluster |
| lexicalization | eng: High-availability cluster computing |
| lexicalization | eng: high-availability cluster |
| instance of | e/Computer cluster |
| Meaning | |
|---|---|
| German | |
| has gloss | deu: Ein Failover-Cluster ist ein Verbund von mindestens zwei Computern (Cluster), in dem bei einem Ausfall eines Rechners ein zweiter Rechner dessen Aufgaben übernimmt. Diese Übernahme der Aufgaben wird als Failover bezeichnet. Man bezeichnet einen Failover-Cluster auch als Aktiv/Passiv-Cluster, da jeweils genau ein Rechner im Cluster aktiv die zugewiesenen Aufgaben wahrnimmt, während die übrigen Systeme passiv (oder mit anderen Aufgaben betreut) im Hintergrund im Notfall auf den Failover warten. |
| lexicalization | deu: Failover-Cluster |
| Japanese | |
| has gloss | jpn: 密結合型クラスター（みつけつごうがた-）とは、クラスターに参加するノード間で各種資源と情報を共有し、1台のサーバのように動作するクラスターのこと。密結合クラスターでは、多くの場合、幾つかのサービスを提供する計算資源/処理環境を、1台のコンピュータに模して提供するため、クラスターに参加する個々のノードの障害によるサービスの中断を防ぐことが可能となる。 |
| lexicalization | jpn: 密結合クラスター |
| Portuguese | |
| has gloss | por: Um sistema de alta disponibilidade é um sistema informático resistente a falhas de software e energia, cujo objectivo é manter os serviços disponibilizados o máximo de tempo possível. |
| lexicalization | por: sistema de alta disponibilidade |
| Castilian | |
| has gloss | spa: Un cluster de alta disponibilidad es un conjunto de dos o más máquinas que se caracterizan por mantener una serie de servicios compartidos y por estar constantemente monitorizándose entre sí. Podemos dividirlo en dos clases: |
| lexicalization | spa: cluster de alta disponibilidad |
| Media | |
|---|---|
| media:img | 2nodeHAcluster.png |
| media:img | Typical dual-node HA.jpg |
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