Apparently this was a SAN issue that didn't force a ro on this filesystem. I noted the issues later and remounted this filesystem and then it was able to resize online.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/691726 Title: ext4 not able to online resize -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs