Hitachi G1000 User Manual page 53

Table 2-10 Thin Image operations when GAD status is Mirrored
GAD
I/O
pair
mode location
status
PAIR Mirror Primary
(RL)
Secondar
y
* Cannot be used because GAD pairs are not suspended, and also because the volume at the GAD copy
destination is the same as the volume at the Thin Image copy destination.
Table 2-11 Thin Image operations when GAD status is Suspended
GAD
I/O
pair
mode location
status
PSUS Local Primary
Block Primary
PSUE Local Primary
Block Primary
Secondar
y
SSUS Block Secondar
y
SSWS Local Secondar
y
Table 2-12 Thin Image operations when GAD status is Blocked
GAD
I/O
pair
mode location
status
PSUE Block Primary
Secondar
y
Related topics
• Thin Image on page 2-12
Hitachi Virtual Storage Platform G1000 Global-Active Device User Guide
I/O
Pair
Read Write
Yes Yes
Yes Yes
I/O
Pair
Read Write
Yes Yes
No No
Yes Yes
No No
No No
No No
Yes Yes
I/O
Pair
Read Write
No No
No No
System requirements
Thin Image pair operation
Create Split Resync
pairs pairs pairs
Yes Yes Yes
Yes Yes Yes
Thin Image pair operation
Create Split Resync
pairs pairs pairs
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Thin Image pair operation
Create Split Resync
pairs pairs pairs
Yes Yes Yes
Yes Yes Yes
Restore Delete
pairs pairs
No* Yes
No* Yes
Restore Delete
pairs pairs
Yes Yes
No Yes
Yes Yes
No Yes
No Yes
No Yes
No Yes
Restore Delete
pairs pairs
No Yes
No Yes
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