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Difference between revisions of "Script Extracts and Examples (PowerCLI)"
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Script Extracts and Examples (PowerCLI) (view source)
Revision as of 21:45, 20 January 2010
, 21:45, 20 January 2010Revised
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* To retrieve data for the Realtime interval, use the <code> -Realtime </code> option, not <code> -IntervalSecs 20 </code> | * To retrieve data for the Realtime interval, use the <code> -Realtime </code> option, not <code> -IntervalSecs 20 </code> | ||
** All Realtime metrics are averages (as they're an average over the sampling period) | ** All Realtime metrics are averages (as they're an average over the sampling period) | ||
* Virtual Centre generally drops metrics during roll-ups etc (subject to configuration), therefore for the fullest range of metrics, | * Virtual Centre generally drops metrics during roll-ups etc (subject to configuration), therefore for the fullest range of metrics, use the Realtime interval. | ||
** I'd suggest always trying to go via the Virtual Centre, but the data you're after isn't available, check with the ESX direct. | ** I'd suggest always trying to go via the Virtual Centre, but the data you're after isn't available, check with the ESX direct. | ||
* Be careful when retrieving metrics that might have multiple instances (eg CPU), this is relatively obvious in vSphere as it'll show an instance column, not so in VI3. You can filter so as to see, for example, only the aggregate instance | * Be careful when retrieving metrics that might have multiple instances (eg CPU), this is relatively obvious in vSphere as it'll show an instance column, not so in VI3. You can filter so as to see, for example, only the aggregate instance | ||