Thank you for taking the time to report this bug and helping to make Ubuntu better.
As far as I can determine, the features you mention are new in 0.5.0-1, which was only uploaded to Debian on 9 March this year. This is after feature freeze for Trusty, so it is unlikely to be released in Ubuntu in Trusty, but I expect that it will make a future release. It seems that the version available in Debian wheezy was by picking up git snapshots, which has not been the case in Ubuntu. To determine this, I searched the sources for filenames matching *weight*. I see this in wheezy and sid, but not in Trusty. The version numbers tell the rest of the story. I'm marking this bug Invalid, since it doesn't seem to me to be a bug that an older release doesn't have a newer feature. See https://wiki.ubuntu.com/StableReleaseUpdates and https://wiki.ubuntu.com/UbuntuBackports for Ubuntu policy around these issues. However, you should see these features in a future release (post Trusty) after the newer upstream release is merged from Debian after Trusty's release. If you wish, you can file a "please update to latest release" bug, or convert this bug to such a bug, but since we're past feature freeze for Trusty, nothing is likely to happen until the U release. $ rmadison -udebian -asource multipath-tools multipath-tools | 0.4.8+git0.761c66f-10 | squeeze | source multipath-tools | 0.4.9+git0.4dfdaf2b-7~deb7u2 | wheezy-updates | source multipath-tools | 0.4.9+git0.4dfdaf2b-7~deb7u2 | wheezy | source multipath-tools | 0.5.0-1 | jessie | source multipath-tools | 0.5.0-1 | sid | source $ rmadison -uubuntu -asource multipath-tools multipath-tools | 0.4.8-14ubuntu4 | lucid | source multipath-tools | 0.4.8-14ubuntu4.10.04.2 | lucid-updates | source multipath-tools | 0.4.9-3ubuntu5 | precise | source multipath-tools | 0.4.9-3ubuntu5.1 | precise-updates | source multipath-tools | 0.4.9-3ubuntu6 | quantal | source multipath-tools | 0.4.9-3ubuntu7 | saucy | source multipath-tools | 0.4.9-3ubuntu7 | trusty | source ** Changed in: multipath-tools (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to multipath-tools in Ubuntu. https://bugs.launchpad.net/bugs/1296305 Title: The multipath-tools package in Ubuntu doesn't have the libprioweightedpath.so and the libprioiet.so modules To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/1296305/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs