Alter index rebuild

Can I do an Alter Index rebuild to move an index to an index tablespace while the database is up?

We are a 24x7 operation with scheduled outages usually only once a month.

alter index schema.I_B_OAPREFSETTLEMENTVALUE_1 rebuild tablespace schema_IDX storage ( initial 256 K next 256 K pctincrease 0 ) ;

Thanks

Brian Lock
DBA - East Campus

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