create LVOL0
LVOL0 --INT0--+--- Base0
|
|
+--- NULL
create SNAP1
LVOL0 --INT1--+--- Base1
|
|
+--- INT0(SNAP1)--+--- Base0
|
|
+--- NULL
create SNAP2
LVOL0 --INT2--+--- Base2
|
|
+--- INT1(SNAP2)--+--- Base1
|
|
+--- INT0(SNAP1)--+--- Base0
|
|
+--- NULL
create SNAP3
LVOL0 --INT3--+--- Base3
|
|
+--- INT2(SNAP3)--+--- Base2
|
|
+--- INT1(SNAP2)--+--- Base1
|
|
+---INT0(SNAP1)--+--- Base0
|
|
+--- NULL
create SNAP4
LVOL0 --INT4--+--- Base4
|
|
+--- INT3(SNAP4)--+--- Base3
|
|
+--- INT2(SNAP3)--+--- Base2
|
|
+--- INT1(SNAP2)--+--- Base1
|
|
+---INT0(SNAP1)--+--- Base0
|
|
+--- NULL
-----------------------------------------------------------------------------------------------------
delete SNAP4
LVOL0 --INT4--+--- Base4
|
|
+--- INT3(SNAP4)--+--- Base3
|
|
+--- INT2(SNAP3)--+--- Base2
|
|
+--- INT1(SNAP2)--+--- Base1
|
|
+---INT0(SNAP1)--+--- Base0
|
|
+--- NULL
delete SNAP4 (delete INT4, delete Base4)
update I/O channels LVOL0
delete alias SNAP4
LVOL0 --INT3--+--- Base3
|
|
+--- INT2(SNAP3)--+--- Base2
|
|
+--- INT1(SNAP2)--+--- Base1
|
|
+---INT0(SNAP1)--+--- Base0
|
|
+--- NULL
-----------------------------------------------------------------------------------------------------
delete SNAP1
LVOL0 --INT4--+--- Base4
|
|
+--- INT3(SNAP4)--+--- Base3
|
|
+--- INT2(SNAP3)--+--- Base2
|
|
+--- INT1(SNAP2)--+--- Base1
|
|
+---INT0(SNAP1)--+--- Base0
|
|
+--- NULL
delete SNAP1 (delete INT0, delete Base0)
delete alias SNAP1
LVOL0 --INT4--+--- Base4
|
|
+--- INT3(SNAP4)--+--- Base3
|
|
+--- INT2(SNAP3)--+--- Base2
|
|
+--- INT1(SNAP2)--+--- Base1
x
x
+---INT0(SNAP1)--+--- Base0
|
|
+--- NULL
-----------------------------------------------------------------------------------------------------
delete SNAP3
LVOL0 --INT4--+--- Base4
|
|
+--- INT3(SNAP4)--+--- Base3
|
|
+--- INT2(SNAP3)--+--- Base2
|
|
+--- INT1(SNAP2)--+--- Base1
|
|
+---INT0(SNAP1)--+--- Base0
|
|
+--- NULL
delete SNAP3 (delete INT2, delete Base2)
update I/O channels INT3
delete alias SNAP3
LVOL0 --INT4--+--- Base4
|
|
+--- INT3(SNAP4)--+--- Base3
|
|
+--- INT1(SNAP2)--+--- Base1
|
|
+---INT0(SNAP1)--+--- Base0
|
|
+--- NULL
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