Is Dr. Chang aware that Miles is his son? If we had to guess, we'd say yes.
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Hurley is always good for a laugh. In "Some Like It Hoth," he compared Miles/Dr. Chang to Luke Skywalker/Darth Vader.
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Miles was faced with a challenging mission in "Some Like It Hoth." He had to transport a dead body around the island AND deal with a nosy Hurley.
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Viewers finally learned a lot about Miles in the episode "Some Liek It Hoth." Dude has serious daddy issues!
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The Lost episode "Some Like it Hoth" was based entirely around Miles. We learned how he came to be on the island.
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Lost Season 5 Episode 13 Quotes

Third day we were here I was on line at the cafeteria and my mother got on line behind me.

Miles

Long time, no see.

Faraday [to Miles]