Solution : https://service.sap.com/sap/support/notes/1061267 (SAP Service marketplace login required)
Key words : 
--------------file        library    member          commit    rollback    pendingbc_jm00002  sapb28db    bc_jm00002          0           0          0bc_jm00004  sapb28db    bc_jm00004          0           0          0                        bc_jm00004          0           0          0bc_synclog  sapb28db    bc_synclog          0           0          0bi_mm00007  sapb28db    bi_mm00007          0           0          1                        bi_mm00007          0           0          10entries, <journal library/qsqjrn< mmmm>                  <journal library>/qsqjrn<nnnn>, form <number>/<sid><instance>/wp<nn>, current user profile sap<sid>db, -active request requires commit, sap<sid>db/qsqjrn, save integrated file system, display commitment control status, display job status attributes, sc rb cm ec
Related Notes : 
       
| 825473 | IBM i: Online backup as of V5R3M0 |