Oh Zuzu, you Queen of Roses! You just identified my mystery climber. Too bad it's a once-blooming rose, but the blooms are worth waiting for. I really don't mind the long canes as I'm trying to creare a privacy 'rose screen' for the backyard as you can see from the photo below.
Regarding 'Jacob's Coat', LOL, I really meant Joseph's Coat as I planted that one this year too and that's when I discovered that my mystery climber is not really Joseph's Coat which I though it was. I was considering Jacob's Robe before too.