Windows server 2012 r2 hyper v cluster
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Windows Server 2012 R2 Hyper-V Cluster. Romeo Mlinar , Ekobit MCSE: Server Infrastructure MCSE: Private Cloud MCS: Server Virtualization MCITP, MCTS, MCSA, MCSE. Sadržaj. Što je failover cluster i zašto ga implementirati Hardverski i softverski zahtjevi Demo…

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Windows Server 2012 R2 Hyper-V Cluster

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Windows server 2012 r2 hyper v cluster

Windows Server 2012 R2Hyper-V Cluster

Romeo Mlinar, Ekobit

MCSE: Server Infrastructure

MCSE: Private Cloud

MCS: Server VirtualizationMCITP, MCTS, MCSA, MCSE


Sadr aj

Sadržaj

Što je failover cluster izaštogaimplementirati

Hardverskiisoftverskizahtjevi

Demo…

Migracija – akonamvrijemedozvoli!


Povijest terminologije

Povijestterminologije

Beta 1997 2000 2003 2008 R2 2012 R2

Codename: “Wolfpack”

Microsoft Cluster Service (MSCS)

Server Clustering

Failover Clustering

(WSFC)


To je failover cluster

Što je Failover Cluster?

je skupinadvajuilivišeračunalakojiradezajednokako bi povećalidostupnostuslugeiliaplikacije!

Da bi omogućilivisokudostupnost Hyper-V virtualnihmašinapotrebno je implementiratiklasterservis!


Failover cluster i za to ga implementirati

Failover Cluster izaštogaimplementirati

Prekidradaposlužitelja (downtime) je neizbježan

Downtime

PlaniraniOdržavanjeNadogradnja – software i hardwareUpdate – patches, hotfix…NeplaniraniDisasterNestanakstrujeNezgode


Overview of a failover

Overview of a Failover

Public

VMs & Workloads

Shared Storage


Failover

Failover

If Node1 fails, the health check will fail, and a failover will happen

Node2 knows what roles Node1 was hosting and the state of those roles through the registry

The application reads its saved data from the shared storage and starts those roles

Client connects to the roles on Node2

Clients may experience an interruption in service during failover


Failover1

Failover

Public

VMs & Workloads

VMs & Workloads

Shared Storage


Cluster hardware

Cluster hardware

Redundancy everywhere

2+ hosts (nodes)

2+ NICs + dedicated storage adapter

NIC teaming

Multiple Networks

Shared Storage


Cluster scale

Cluster Scale

Increased scale out and scale up4x scale over Windows Server 2008 R264-nodes in a cluster8,000 VMs in a cluster1,024 VMs per node

Hyper-V Server 2012 R2Same clustering & Hyper-V featuresLive migration, CSV, 64-nodes, etc.Free download


Koji os odabrati

Koji OS odabrati?

No guest OS licenses

2 guest OS licenses

Unlimited guest licenses

Host OS is free

Licensed per CPU

Licensed per CPU

CLI & Remote Management only

Full installation or Server Core

Full installation or Server Core


Okru enje

Okruženje


Ajmo radit

Ajmoradit ;)


Migracija hyper v ws2012 na ws2012 r2

Migracija – Hyper-V WS2012 na WS2012 R2

In-place upgrade

Cross version live migration

Export and Import

Copy Cluster Role Wizard


Prednosti i nedostaci

Prednostiinedostaci


Copy cluster role wizard

Copy Cluster Role Wizard

Evacuate and Evict one node of the cluster

Upgrade the server to WS2012 R2Remove the virtual switch and network team then do upgrade…

Form a new node cluster“Copy Cluster Role Wizard”-migrate VM and its CSV to the new cluster…

Destroy the WS2012 Cluster

Upgrade other nodes to WS2012 R2…


Zaklju ak

Zaključak

Downtime je neizbježan!

Failover Cluster “drži” aplikacije, serviseivirtualnemašineuvijekdostupnim

Implemetacijamogućanabilokojemkomaduhardvera

Visokudostupnost je vrlolakoimplementirati!


Windows server 2012 r2 hyper v cluster

@RomeoMlinar

[email protected]

www.rmlinar.net/blog


Windows server 2012 r2 hyper v cluster

HVALA!


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