3PAR Thin Provisioning - HrOUG
3PAR Thin Provisioning - HrOUG
3PAR Thin Provisioning - HrOUG
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<strong>3PAR</strong> Hardware Architecture:<br />
Scale without Tradeoffs<br />
Traditional Controllers<br />
Mesh-Active Controllers<br />
– Each volume is active on<br />
only one controller – really<br />
“Active-Passive”<br />
– Volume is restricted to<br />
drives behind a single<br />
controller<br />
– Manual planning and load<br />
balancing for each<br />
controller<br />
– Each volume is active on<br />
all controllers – true<br />
“Active-Active”<br />
– Volume is evenly spread<br />
across all resources<br />
• drives<br />
• controllers<br />
• cache<br />
• IO<br />
– Autonomically provisioned<br />
– Cache Coherent<br />
Controllers<br />
– Cache not necessarily<br />
shared<br />
© Copyright 2011 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
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