Probleme de conectivitate si Clustere Microsoft , EventID 1122/1123

Ne-am confruntat de-a lungul timpului cu un numar mare de cazuri legate de pierderea conectivitatii intr-un cluster. Acest efect se poate observa in System Event Log prin aparitia urmatoarelor event-uri: Event ID: 1123 Source: ClusSvc Description: The node lost communication with cluster node ComputerName on network ‘Public Network’. Event ID: 1122 Source: ClusSvc Description: The…

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Aveti probleme cand incercati sa distribuiti programe/aplicatii prin politici?

Salut, astazi vreau sa vorbesc despre un subiect cu care m-am intalnit in unul dintre cazurile mele si m-am gandit ca ar putea fi relevant pentru cititorii nostri. Clientul vroia sa distribue programe/aplicatii prin polictici, asa incat, atunci cand un utilizator se loga la statia lui, instalarea trebuia sa inceapa. In majoritatea cazurilor nu ar…

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Advisory-uri 3rd Party

Acest post va fi actualizat in permanenta cu articole pe care le consideram esentiale pentru clientii nostrii. Nota: Toate aceste advisory-uri sint externe (3rd party), insa au fost cruciale in rezolvarea unor probleme de performanta si stabilitate pe Windows Server 2003/2008 Non Paged Pool memory leak – CA eTrust Antivirus 7.1 (ino_fltr.sys) http://supportconnect.ca.com/sc/kb/problemdetail.jsp?docid=415307&productcd=ETRAV&problemnbr=1057 Updating the…

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Best Practices / Documentatie pas cu pas – Windows Server 2008 Failover Clustering

What’s New in Failover Clusters in Windows Server 2008 http://technet2.microsoft.com/windowsserver2008/en/library/13c0a922-6097-4f34-ac64-18820094128b1033.mspx Availability and Scalability http://technet2.microsoft.com/windowsserver2008/en/servermanager/availabilityandscalability.mspx Windows Server 2008 Events and Errors Database http://technet.microsoft.com/en-us/library/cc754424.aspx Failover Clustering and NLB Team Blog http://blogs.msdn.com/clustering/ Failover Cluster Step-by-Step Guide: Migrating Cluster Settings from Windows Server 2003 to Windows Server 2008 http://technet2.microsoft.com/windowsserver2008/en/library/6820ae3f-1ecc-43fd-8a76-fe8c2125cfe61033.mspx?mfr=true Failover Cluster Step-by-Step Guide: Configuring a Two-Node File Server Failover…

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Cazul serviciilor care nu mai puteau fi oprite

Va vom prezenta un caz interesant de performanta: Pe un Windows Server 2003 cluster serviciile nu mai puteau fi oprite. De exemplu Automatic Updates, Network connections si Windows Management Instrumentation ramaneau in status-ul de "stopping"   Dupa o discutie cu clientul, am descoperit ca in momentul in care se problema era prezenta, intreaga performanta a…

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How-To…Cum se poate genera un Crash Dump folosind NMI (Non Maskable Interrupt)

In acest post, va voi arata cum puteti genera un memory dump pe un server HP, folosind functia NMI prin interfata ILO. Inainte de toate, pe server trebuie modificat registry-ul, exact asa cum este descris in KB927069 (http://support.microsoft.com/kb/927069)  Urmariti acesti pasi pentru modificarea registry-ului si generarea crash dump-ului: 1. Conectati-va la server GUI folosind interfata…

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LooksAlive/IsAlive & Pending timeout

The role and behavior of the first two functions (IsAlive & LooksAlive) is related to the type of resource they are serving. A detailed description of these particular roles is here: Behavior of the LooksAlive and IsAlive functions for the resources that are included in the Windows Server Clustering component of Windows Server 2003 http://support.microsoft.com/kb/914458/en-us…

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