[ENBD] reconnection

[cereal killer]

 --- Arne Wiebalck <wiebalck at kip.uni-heidelberg.de> a
écrit : > Am Di, 2004-05-11 um 16.45 schrieb cereal
killer:
> > Hi, 
> > I'm quite newbie in the world of enbd and High
> > Availability.
> > I m running a 2.4 succesfully patched kernel .
> > I export my /dev/hda9 with the enbd-server 5000 -i
> > test -b 2048 /dev/hda9 command. works i connect on
> th
> > eother side with the client ; enbd-client
> server:5000
> > -i test -b 2048 -n 4 /dev/nb0 
> > where nb0 has 43 0 major minor , connection is ok
> ;
> > mount the nb0 on /home/test on client side.
> > Then i generate a lot of writes and reads with dd
> on
> > /home/test ; and now comes the problem : I
> simulate a
> > failover (oops the network cable is in my hand :p
> )
> > all stalls ; 
> 
> Did you set show_errs to 1?
> If not, try 
> 	echo "show_errs=1" > /proc/nbdinfo

I m noticing all i ll have to do tomorrow :) 

> 
> and repeat the test. The ENBD driver will report the
> error 
> back to your application. Nothing should stall
> anymore ...
> 
> > i kill the enbd-server , and restart it ;
> > but no way of reconnection on client side. How to
> do a
> > quite quickly reconnection working ? Isnt enbd
> > supposed to do it automatically ? 
> 
> Did you install the stat-daemons (cstatd, statd)? 
> They take care of the
> reconnection in case of an interruption.

The deamons will be installed as soon as i arrive to
work tomorrow. 
> 
> 
> arne
> 
> 
> -- 
>
Thank you very much 
 
**********************************************************************
>  Arne Wiebalck                        Kirchhoff
> Institute for Physics
>                                            Technical
> Computer Science
>                                                  
> INF 227, Room 3.315
>                                                   
> D-69120 Heidelberg
> 
>  e-mail: wiebalck at kip.uni-heidelberg.de
>  web   : http://www.kip.uni-heidelberg.de    Tel.:
> (+49) 6221/54-9816
>
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> 
> 
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