Re: [vdsm] what is 'qcow2 on LV' and how node communicate

[Itamar Heim]

On 06/18/2013 05:55 PM, bigclouds wrote:

hi,all
1.it seems that vdsm has the capability to thin providing lv(logical
volume), could you please explain the theory of it?
2.i did not notice any code throught which  NODE can communicate with
each other, called mail-box.  if it varies depends on volume
type(block,fs), and what is and how they communicate via mail-box?
thanks so much.




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have you reviewed:
http://www.ovirt.org/images/3/3d/OVirt_VDSM_Storage_2002.pdf‎
http://www.ovirt.org/Vdsm_Block_Storage_Domains
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[vdsm] what is 'qcow2 on LV' and how node communicate

[bigclouds]

hi,all
1.it seems that vdsm has the capability to thin providing lv(logical volume), 
could you please explain the theory of it?
 
2.i did not notice any code throught which  NODE can communicate with each 
other, called mail-box.  if it varies depends on volume type(block,fs), and 
what is and how they communicate via mail-box?
 
thanks so much.___
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