Follow Up to the Blue Mountains Question - Gundabad

[Ghazi]

Originally Posted by Kuruharan

Re-occupying old kingdoms seems to have been something of a racial obsession for the dwarves, at least as far as Khazad-dum and Erebor were concerned...but they didn't re-occupy Gundabad even after they had taken it and when they had no settled home.

This strikes me as odd.

What significance did Gundabad hold other than being the place where Durin awoke? Was it ever a dwelling place for other dwarves? My impression is that Durin left it soon after he awoke and eventually founded Khazad-dum.