set kern.cam.scsi_delay to 2000ms on all platforms
Scott Long
scottl at samsco.org
Thu Oct 21 13:19:13 UTC 2010
Ok, I've gotta be a stick in the mud and ask you how you've come to the conclusion that 2000 is better than 5000. Can you provide your evidence and/or testing results?
Scott
On Oct 21, 2010, at 12:21 AM, Alexander Best wrote:
> a few years ago kern.cam.scsi_delay was set from 150000 to 5000. nowadays a
> value of 2000 should be sufficient even on old/slow hardware.
>
> to have cleaner code it's better to set default value to 2000 instead of doing
> so in every config file on every platform.
>
> cheers.
> alex
>
> On Wed Oct 20 10, Scott Long wrote:
>> You've described the "what" but not the "why". Why do you want to remove this option? Why do you want to change its value?
>>
>> Scott
>>
>> On Oct 19, 2010, at 4:11 PM, Alexander Best wrote:
>>
>>> hi there,
>>>
>>> i've posted this patch on freebsd-hackers@, but jhb@ recommended i should also
>>> send it to freebsd-scsi at . basically what this patch does is to populate
>>> kern.cam.scsi_delay=2000 as the default value throughout the entire source
>>> tree. in addition to that it gets rid of some legacy Makefile entries, where
>>> kern.cam.scsi_delay was set to 150000.
>>>
>>> cheers.
>>> alex
>>>
>>> --
>>> a13x
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>
> --
> a13x
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