moving clob columns online

Hi everyone,

We have several databases on 19c and 11g, We are planning to move clob column to another tablespace.

Since we are 24 X7, we canNOT offline the application:

1a. Can the tablespace / table remain online while the move is in progress.
ALTER TABLE xxx MOVE LOB(lobcol) STORE AS lobsegment
(TABLESPACE new_tbsp STORAGE (new_storage));


1b. If not, How to make the move online as application is running?

2. How does this move affect data guard? is there any restrictions?

Please advise.

Appreciated !

Friend