dumpdev in loader.conf vs rc.d/dumpon

[Andrey V. Elsukov]

On 24.09.2015 14:18, Slawa Olhovchenkov wrote:
> On Thu, Sep 24, 2015 at 11:28:05AM +0300, Andrey V. Elsukov wrote:
> 
>> On 23.09.2015 19:57, Andriy Gapon wrote:
>>> I do not have a strong opinion.  Either option, rc.d/dumpon change or geom_dev
>>> change, is fine with me.
>>
>> I added the ability to set dumpdev via loader. But I wasn't aware that
>> it was used in rc.d script.
>>
>> If you have set dumpdev kenv, it will be already enabled in the time
>> when rc.d/dumpon  will be run. So, I think it is useless to try to
>> enable dumpdev again. I prefer remove this old code from rc.d script.
> 
> rc.d script can redirect dump to device, not available at boot time,
> iSCSI disk, for examle.

It doesn't matter. When device will appear, it will be tasted by
geom_dev and marked as device applicable for dumping.

> dumpdev at boot time can be less size, sufficient for dumping at
> booting, but insufficient at working time.

This also doesn't matter. Its size doesn't checked.
Did you read dumpon script and saw how it use dumpdev tunable?

-- 
WBR, Andrey V. Elsukov

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