HP StorageWorks XP Remote Web Console Software - Manual (Page 67)

Figure 36 Copying Data in Two Extents that Overlap (Two T-VOLs)
Figure 37 Copying One Extent to Another in the Same Volume
(page 67) provides calculation examples for the required resources according to the patterns
of copying.
Table 40 Referential Examples for Calculating the Number of Resources Required to Create Version 2
Relationships
Copy Patterns Emulation Type
Copying One
Extent to Copying Data
in Two Copying Data
in Three Copying Data
in Two Copying Data
in Two Extents Copying Data
in Two
Another in the
Same Volume Extents that
Overlap (Two
T-VOLs) Extents that
Overlap (One
T-VOL) Extents that
do not
Overlap (Two
S-VOLs) that do not
Overlap (Two
T-VOLs)
See (page 66)
Extents that
do not
Overlap (One
T-VOL)
See (page 65)
See (page 67)
See (page 67) See (page 66)
See (page 66)
6
2
(3 x 2 =) 6 (3 x 3 =) 9 (3 +3 =) 6 3 3 S-VOL 3380-3 or
3390-3
1
N/A (3 +3 =) 6 3 3 (3 +3 =) 6 3 T-VOL
6 12 12 9 9 6 Total
16
2
(8 x 2 =) 16 (8 x 3 =) 24 (8 + 8 =) 16 8 8 S-VOL 3390-9
3
N/A (8 + 8 =) 16 8 8 (8 + 8 =) 16 8 T-VOL
16 32 32 24 24 16 Total
50 2 (25 x 2 =) 50 (25 x 3 =) 75 (25+25 =) 50 25 25 S-VOL 3390-L 4
N/A (25+25 =) 50 25 25 (25+25 =) 50 25 T-VOL
Calculating the Maximum Number of Version 2 Relationships 67