Re: CRUSH. What wrong?

[Jeff Wu <cpwu@tnsoft.com.cn>]

Hi sage,

Thanks!

Jeff Wu

On Mon, 2011-05-30 at 12:43 +0800, Sage Weil wrote:
> Hi Jeff,
> 
> On Mon, 30 May 2011, Jeff Wu wrote:
> > Hi ,
> > Could you attach the detail reproducing steps?
> > Are you using the following steps to get crush.new.txt and base on it to
> > modify new crush ?
> > $ ceph osd getcrushmap -o crush.new
> > $ crushtool -d crush.new -o crush.new.txt
> > 
> > Maybe , you could refer to the following commands to create crush.new
> > file,for instance:
> > $ crushtool --num_osds 8 -o crush.new --build host straw 8 rack straw 8
> > root straw 0
> > $ crushtool -d crush.new -o crush.new.txt
> > 
> > I had filed two bug at :
> > http://tracker.newdream.net/issues/1016
> > http://tracker.newdream.net/issues/1017
> 
> Sorry, these fell through the cracks somehow!
> 
> For both of these it looks like the same problem Fyodor had: you need to 
> use chooseleaf instead of choose in your crush rule.  Currently you're 
> getting back rack bucket ids instead of devices.
> 
> sage