How would softraid know which sd to rebuild if 3 are degraded?

Not debating the language couldn't be improved but that bit is IMO pretty
obvious.

On Oct 23, 2010, at 23:07, Niels Poppe <niels@netbox.org> wrote:

quoted text
> On Sat, Oct 23, 2010 at 07:20:10PM -0500, Marco Peereboom wrote:
>>
>> Softraid is not a volume manager. We don't support adding, removing chunks
>> after creation time. I'll take diffs for this however this is pretty far
from
quoted text
>> trivial.
>
> The one piece of information I found a bit unclear in the manual is
> how to rebuild a degraded mirror:
>
> bioctl -R <newchunk> <raid>
>
> where *both* the <newchunk> and the <raid> argument are real disknames,
> as in "bioctl -R sd1 sd2" for a case were physical devices sd0 and sd1
> formed a mirror creating the softraid device sd2, and sd1 fell offline.
>
> I would indeed have expected the second argument to be softraid<x>
>
> The manual states:
>  -R device | channel:target[.lun]
>     Manually kick off a rebuild using device or channel:target[.lun]
>     on the provided drive name.  This command requires a drive by
>     name (e.g. sd1) instead of a controller by name (e.g. softraid0).
>
> Perhaps that last sentence could be
>
> "This command requires the final device argument to be the drive name
> (e.g. sd2) instead of the controller name (e.g. softraid0)."
>
> Regards,
>
> Niels
>
>>
>> On Oct 23, 2010, at 17:51, "Jean-Francois" <jfsimon1981@gmail.com> wrote:
>>
>>> Le Sunday 24 October 2010 00:34:53, Tomas Bodzar a C)crit :
>>>> I think that this will solve your hunt for informations ;-)
>>>> http://www.openbsd.org/papers/asiabsdcon2010_softraid/softraid.pdf
>>>>
>>>> On Sun, Oct 24, 2010 at 1:21 AM, Jean-Francois <jfsimon1981@gmail.com>
>>> wrote:
>>>>> Hi,
>>>>>
>>>>> I'm having difficulty to understand how softraid works ie. how to add
>>>>> chunks, remove chunks, change and rebuild, add/remove hotspares.
>>>>>
>>>>> The manpages bioctl & softraid only mention basic configuration, but
once
quoted text
>>>>> the raid is working ... any other related docs or man ?
>>>>>
>>>>> Thanks,
>>>>>
>>>>> J-F
>>>
>>> Thanks, it effectively helps to understand how it works, but not yet the
>>> command lines used to add-change-remove-rename chuncks or hotspares.