[dm-devel] Device Mapper Persistent Configuration

[Gili B]

hi
We are starting working on a new device mapper module which has targets similar
to the ones in thin module (pool and thin),  but it adds some additional features.
The user should be able to create and use file systems on the thin volumes.
I wanted to know what is the recommended  way to make the configuration with dmsetup
persistent ?
We want that all file systems will be available after reboot.
Should we write our own configuration tool?  should we add special configuration files?
Should the kernel module we write , automatically discover all the configration and initialize accordingly?
 
 
Regarding debug - Is there a generic way to run dmsetup for example that
prints some inside details on the targets? (for example number of outstanding ios, memory used etc)
 
 
Thanks
-gili
 		 	   		  
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