TimeMachine won't create hard links for replacement drive if not connected

With TimeMachine, I backup two external drives (let's call them drive A and B). Recently, drive B broke and I restored the data on a replacement drive and gave the volume the same name as the broken one had. I made TimeMachine aware of the fact that this new drive corresponds to the old one by using the "tmutil -a associatedisk" command as described here: http://pondini.org/TM/B6.html
When TimeMachine started the next backup, it did not perform all full backup of the new drive, though still way more than it should. So far so god.
The problem is: if TimeMachine performs a backup while the new drive (the replacement of drive B) is not connected, it does not create the hard links for it. Drive A is not connected either, though hard links for it show up in the Backups.backupdb folder for this backup.
If the replacement drive is connected the next time, TimeMachine will perform a full backup of it ... most likely because the previous backup does not contain any hard links.
Is there a way how to fix this?

paninaro95 wrote:
(To run the command again is actually not necessary in my opinion as the man page for tmutil states that TimeMachine works with the UUID of the filesystem
Correct.
Et voilà 1: The first time, TimeMachine backed up only about 0.5 GB ... which is a fairly reasonable value that is likely due to the changes on the internal disk, not to my external replacement disk where about 170 GB are eligible to be backed up.
Yay!   
FYI, there are ways to tell what was backed-up.  The log messages show how much was copied from each drive.  The widget in #A1 of Time Machine - Troubleshooting displays the backup messages from your logs.
In addition, see #A2 there for a couple of apps that will show the details -- which files were backed-up.
Et voilà 2: When TimeMachine performed the next backup while the external drive was not connected, the hard links for the external data were created in that backup.
Double yay! 
To my understanding, I don't understand why renaming the drive makes a difference if TimeMachine uses the UUID of the filesystem.
So I guess there must be a bug somewhere as "tmutil associatedisk" should fix the connection -- no matter what the drive name is.
There must be some other connection, some vestige of the name left over somewhere. 
I filed a bug report to Apple! :-)
Great!

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