On 24.09.2015 14:37, Slawa Olhovchenkov wrote:
> For example, host with 3TB of RAM, booted from small SSD.
> This SSD have 16GB slice for dumping. This is sufficent if trouble
> happen at boot time. This is insuuficient if trouble happen later,
> after using all 3TB. rc.d script can be used for select iSCSI
> destination, for dumping after succesefull boot.

Did you read dumpon script and saw how it uses dumpdev tunable?

WBR, Andrey V. Elsukov

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