HP StorageWorks XP24000/XP20000 for Compatible Extended Remote Copy (XRC) Software User's Guide (T5238-96001, March 2008)

operation mode setting of Compatible XRC in the Change Option dialog box (see
Figure 13 on page 33).
Table 7 HP Compatible XRC in Conventional Models and XP24000/XP20000 Disk Arrays
Option Settings of XRC in
XP24000/XP20000 Disk Array
storage systems
Operation Modes of HP Compatible XRC in
Conventional Model
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• Block Option: Cache Level
• Do not Block (Volume Level): Disable
• Level 1 Sleep: Enable
—————OffOff
• Block Option: Cache Level
• Do not Block (Volume Level): Enable
• Level 1 Sleep: Enable (see
Note )
—————OnOff
• Block Option: Cache Level
• Do not Block (Volume Level): Disable
• Level 1 Sleep: Disable
—————OffOn
• Block Option: Volume Level
• Do not Block (Volume Level): Enable
• Level 1 Sleep: Disable
—————OnOn
Level 2 Threshold: 50%———OffOff——
Level 2 Threshold: 60%———OnOff——
Level 2 Threshold: 40%———OffOn——
Level 2 Threshold: 70%———OnOn——
Sleep Time: 100 ms——Off————
Sleep Time: 10 ms——On————
Level 2 Suspend: Disable—Off—————
Level 2 Suspend: Enable—On—————
Level 1 SIM: DisableOff—
—————
Level 1 SIM: EnableOn——————
Note : Level 1 Sleep is performed on a volume in which a threshold specified by SDM is
enabled (Block option). Level 1 Sleep is not performed on the volume for which Do not Block
(Volume Level) is specified.
• The behavior of the XP24000/XP20000 Disk Array storage systems, that are affected by
option settings in the Change Option dialog box (Figure 13 on page 33), is also affected by
XP24000/XP20000 for Compatible Extended Remote Copy (XRC) Software User's Guide 25