Le Saturday 30 October 2010 15:22:32, Marco Peereboom a icrit : > On Sat, Oct 30, 2010 at 12:18:42PM +0200, Jean-Francois wrote: > > Le Saturday 30 October 2010 04:52:35, Marco Peereboom a icrit : > > > On Thu, Oct 28, 2010 at 10:41:52PM +0200, Jean-Francois wrote: > > > > > # bioctl -R sd0a sd2 > > > > > > > > If I understand well the above command kicks off a rebuild on a > > > > replacement device. Few questions from my side ... > > > > > > > > Is it possible to rebuild with another device for example sd0b or > > > > sd1a instead of sd0a ? (seems no if I understood properly) > > > > > > Assuming I got the question right, yes. You can rebuild on any > > > appropriately sized chunk. > > > > > > > Is the same process as for initialization required for the rebuild ? > > > > e.g. # fdisk -iy sd0 > > > > # printf "a\n\n\n\nRAID\nw\nq\n\n" | disklabel -E sd0 > > > > > > > > Regards > > > > Ok, to be more clear, say for example we set a softraid called sd2 with > > chuncks sd0a and sd1a in raid 1. > > sd0a becomes faulty/offline, I would like to use an appropriate chunk to > > relpace > > it, but say it is not designed sd0a but sd3a, what can we then do ? Could > > we rebuild on sd3a ? > > Lets say you have a raid 1 made out of 3 chunks; sd1a, sd2a and sd3a. > Now lets say sd2a breaks and you add a new drive sd4. On that new drive > you create a d partition that is of the right size. You could rebuild > the softraid volume with sd4d. > > I left out the drive shuffling that might (will) happen to simplify the > example. > > To prevent shuffling from biting you in the butt read up on the DUID > stuff that jsing wrote. It is described in the mount(8) page. > > > Thanks & regards
Good, it works perfectly. Another question, When I initiate a rebuild, is the operations done at creation needed ? For example : # fdisk -iy wd1 # printf "a\n\n\n\nRAID\nw\nq\n\n" | disklabel -E wd1 # bioctl -R /dev/wd1a sd0
