Hi Amit, I had compiled some notes on my blog. Here are some links on writing your own device mapper target. http://techgmm.blogspot.in/p/writing-your-own-device-mapper-target.html
Concept of device mapper target. http://techgmm.blogspot.in/p/device-mapper-layer-explored-every.html Thanks, Gaurav. On Tue, Apr 30, 2013 at 5:05 AM, Anatol Pomozov <[email protected]>wrote: > Hi > > On Mon, Apr 29, 2013 at 9:51 AM, amit mehta <[email protected]> wrote: > > On Sun, Apr 28, 2013 at 5:24 PM, Greg Freemyer <[email protected]> > wrote: > >> A nice diagram of the overall storage subsystem is at > http://www.thomas-krenn.com/en/oss/linux-io-stack-diagram.html > >> > >> Dm is just a single block in it, but it can help to see where it fits > in overall. > >> > >> Btw: that diagram doesn't show the legacy ata driver that creates > /dev/hdx style devices. Has that been dropped while I wasn't paying > attention? I haven't used it in years, but I thought it was still used on > embedded systems. > >> > > > > Thank you for sharing the link, but I'm looking for more > > detailed information on I/O stack in Linux, dm-mapper and > > multipath in particular. > > Some docs about multipath can be found here > > http://www.sourceware.org/lvm2/wiki/MultipathUsageGuide > http://christophe.varoqui.free.fr/refbook.html > > The userspace part for tools is here > http://sourceware.org/lvm2/ > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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