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 <ni...@netbox.org> wrote: > 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 >> 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" <jfsimon1...@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 <jfsimon1...@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 >>>>> 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.
