[dm-devel] Status dm-cache

Rolf Fokkens rolf at rolffokkens.nl
Sun Aug 25 21:46:03 UTC 2013


Hi!

I'm trying to package some tools for "SSD caching" for Fedora 20, see: 
https://bugzilla.redhat.com/show_bug.cgi?id=998543

bcache has some nice bcache-tools, and packaging progresses well: 
https://bugzilla.redhat.com/show_bug.cgi?id=999690

Packaging dm-cache however seems seems hard. I'm not aware of any 
userland tools, and using dm-cache (without them) seems quite complex. 
Looks like all kinds of math are needed to make it work, e.g. : 
http://blog.kylemanna.com/linux/2013/06/30/ssd-caching-using-dmcache-tutorial/.
- Is there a (well supported) toolset available that I'm missing?
- Is there any kind of autodetect possible, e.g. during boot?

Any information on the status of dm-cache is appreciated.

Thanks,

Rolf Fokkens




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