Hi, Let's google it. Is this the article you are looking for? https://www.kernel.org/doc/ols/2007/ols2007v2-pages-235-244.pdf -- Akira On 3/14/14 5:44 PM, Nicolas Michel wrote: > Hello Guys, > > It's a general question about how dm and particularly multipathd handle IO? I mean, is it a transaction? Is each IO initiated from the OS get back an acknowledgement? If it is, is there a retry mechanism? > Or are the IO sent blindingly to the block device? > > If someone have some good article on it, I would be very interested in understanding more deeply how IO are handled. > > Thanks a lot, > > -- > Nicolas MICHEL > > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
