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Come scegliere lo storage per virtualizzare
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Fabio Rapposelli
April 28, 2013
Technology
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Come scegliere lo storage per virtualizzare
Fabio Rapposelli
April 28, 2013
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Transcript
Come scegliere lo storage per Virtualizzare
Storage, questo sconosciuto
Virtualizzazione, Ingorda di risorse!
Come farli lavorare in team?
SAN o NAS?
Block-level Storage • Filesystem ottimizzato • Sempre il primo a
ricevere miglioramenti • Trasportabile su diversi protocolli • Permette di avere una latenza di accesso predicibile* *con FC, FCoE o iSCSI + DCB
File-level Storage • Si sposta l’onere del FS sullo storage.
• Agevolazioni per quanto riguarda il backup. • Uniformità di accesso. • Performance strettamente legate alla bontà dello storage.
Quale media per la SAN? • FC - 1-16Gb/s, lossless,
richiede infrastruttura dedicata • FC over Ethernet - 10Gb/s, lossless, convergenza all’edge, richiede infrastruttura recente. • iSCSI - 1-10Gb/s, economico e performante, può essere lossless.
iSCSI va piano? FC FCoE iSCSI iSCSI w/Jumbo Frames 98.61%
91.81% 96.17% 97.24% Efficienza del Protocollo – estratto da Comparing Performance Between iSCSI, FCoE, and FC: http://dell.to/y70dWA
None
vStorage API for Data Protection (VADP) vStorage API for SRM
vSCSI Layer VMFS Logical Device Scheduler Adapter Scheduler Linux Compatibility Layer Drivers Physical HBA vStorage API for Array Integration (VAAI) VMware Integrated Management Tools Storage vCenter Plugin vMA NMP VMware Native Multipathing Plugin ESX I/O Stack VM vCenter Array API’s Storage Array VI Client SRM FC / iSCSI Comandi SCSI VAAI Correlazione di VM, Datastore e Risorse Storage
Storage Array SMI-S Providers CIM-XML VMM 2012 Server SAN Admin
Tool WS-Man WMI Server Storage Service (WMI Provider) SMI-S Module CIM-XML Client
None
1. Un solo protocollo. 2. Massima integrazione con l’ambiente virtuale.
3. Funzionalità indispensabili.
Due consigli in chiusura 1.Testate le soluzioni in “Try &
Buy”. 2.Fate vostri i concetti di implementazione delle singole feature.
Q&A