{"id":121792,"date":"2025-02-09T21:45:59","date_gmt":"2025-02-09T19:46:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pervyj-vypusk-platformy-virtualizaczii-seapath"},"modified":"2025-02-09T21:45:59","modified_gmt":"2025-02-09T19:46:01","slug":"pervyj-vypusk-platformy-virtualizaczii-seapath","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/pervyj-vypusk-platformy-virtualizaczii-seapath","title":{"rendered":"F\u00f8rste udgave af virtualiseringsplatformen SEAPATH","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Efter fem \u00e5rs udvikling har Linux Foundation pr\u00e6senteret udgivelsen af virtualiseringsplatformen SEAPATH 1.0, som er udviklet med hensyn til kravene til informationssystemer for digitale transformatorstationer i energinet. Platformen tager h\u00f8jde for de specifikke forhold i energinet, men kan ogs\u00e5 anvendes i andre omr\u00e5der, hvor der kr\u00e6ves h\u00f8j p\u00e5lidelighed. Kildekoden til platformen er offentliggjort under Apache 2.0-licensen. Udgivelsen af SEAPATH 1.0 betragtes som klar til industriel anvendelse og brug i kritiske systemer (mission-critical). Platformen er allerede i drift i energiselskabet RTE's infrastruktur og gennemg\u00e5r testimplementering i virksomheder som GE Vernova, Alliander, ABB, Red Hat og Enedis. <\/p>\n

Til overv\u00e5gning, automatisering, support og styring af distributionen af energistr\u00f8mme p\u00e5 digitale transformatorstationer i moderne energinet anvendes specialiserede applikationer fra forskellige leverand\u00f8rer, som anbefales at k\u00f8re i separate isolerede virtuelle maskiner. SEAPATH implementerer en platform til organisering af arbejdet med s\u00e5danne virtual machines<\/a>, virtualiserede applikationer (vPAC — Virtualized Protection, Automation and Control), som kan k\u00f8re i realtid.

\"F\u00f8rste<\/center> <\/p>\n

Til udrulning af noder med host-milj\u00f8et SEAPATH tilbydes to distributioner baseret p\u00e5 Debian GNU\/Linux 12 og Yocto Scarthgap. Platformen er ikke bundet til specifik hardware, afh\u00e6nger ikke af bestemte leverand\u00f8rer og kan anvendes p\u00e5 forskellige typer servere<\/a> og hardwarearkitekturer. Det er tilladt at k\u00f8re applikationer til elektriske transformerstationer, der underst\u00f8tter IEC 61850-standarden. <\/p>\n

Fejltolerance sikres ved hj\u00e6lp af klyngekonfigurationer med udstyrssikkerhed, samt opbevaring af data og billeder af virtuelle maskiner i et distribueret lager, som er replikeret p\u00e5 forskellige noder i klyngen. Opdateringer installeres automatisk fra en ekstern server. Konfigurationsstyring og administration udf\u00f8res centralt ved hj\u00e6lp af infrastrukturen som kode-konceptet. <\/p>\n

Platformen er bygget ved hj\u00e6lp af eksisterende open source-projekter, som har et testkit til at verificere deres p\u00e5lidelighed, der inkluderer mere end 700 unit-tests. Virtualisering er implementeret med KVM-hypervisoren og en Linux-kerne, der er kompilert med PREEMPT_RT-mulighed for realtidsdrift. Ceph anvendes som et distribueret lager, der d\u00e6kker hele klyngen. QEMU anvendes til enhedsvirtualisering, mens Open vSwitch bruges til netv\u00e6rksvirtualisering. Libvirt-v\u00e6rkt\u00f8jet bruges til at administrere virtuelle milj\u00f8er. Pacemaker og Corosync anvendes til ressourceforvaltning i klyngen, sikring af fejltolerance og organisering af interaktion mellem noder. Centraliseret infrastrukturforvaltning og orkestrering af virtuelle maskiner er realiseret ved hj\u00e6lp af Ansible.

\"F\u00f8rste<\/center>
\n
Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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