That's one way. Another way to do volume is to ramp/pyramid up the sets to 1-2 hard sets. That's how a lot of bodybuilders train or used to train such as Eddie Robinson, Lou Ferrigno, Bertil Fox, Arnold, Coleman, Yates (in his early years) etc.
So say you do barbell curls for 4 sets of 8-10 reps. The first set is easy(ish) with a weight do 10 good reps with. This is a warm up. The next set you add weight (10-20 pounds depending on one’s strength) and do another 10 reps but it starts to get a bit hard when you get 8 reps but manage 10. This is more like a prep set. The next set go up in weight again and which is hard to get 10, you have to try to get at least 8 reps. For the last set stick with that weight and try to get another 8 reps at least. So it’s a warm up set, followed by a prep set then 2 hard work sets. Your rest periods will be longer due to the increase in weight and effort in the last 2-3 sets but your getting the same effect if you did it with the same weight on all sets with shorter rest periods. If that makes sense.
Example
Bench press set 1 10 reps warm up weight
Set 2 10 reps prep set
Set 3 8-10 reps to failure or 1-2 reps shy of failure
Set 4 8-10 reps to failure
Rest periods would be 1-2 mins.
Another way is to do 4 sets of 8-12 reps in a straight set fashion but may have to drop the weight. Boyer Coe did this training. Basically you use a weight that will get you to 10-12 reps, rest, then do the next set but because of the fatigue you may only get 8-10 then for the next 2 sets drop the weight down and try to get 10-12 reps followed by 8-10 on the last set.
Example
Set 1 10 reps
Set 2 8 reps
Drop the weight down by 10% or so
Set 3 10 reps
Set 4 8 reps
Rest periods are at 60 seconds.