Why do I have two OS X Catalina volumes?

Question

This:

And this:

Should I be concerned? Should I remove one?

No - the system is on a separate, read-only volume. – red_menace Mar 12 '20 at 00:57 — red_menace, Mar 12 '20 at 00:57

score 3 · Accepted Answer · answered Mar 12 '20 at 00:57

No, this is perfectly normal for Catalina; it is for security reasons. Macintosh HD has the OS. It is a read-only volume separate from other files on your Mac. Your personal files and data are stored in the Macintosh HD - Data. See this Apple support page for more details.

Why do I have two OS X Catalina volumes?

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