HP XP P9500 Owner's Manual page 40

Table 1 1 System option modes (continued)
Mode Category
749 Mcrocode
verwsion V02 and
lower:
Thin Provisioning,
Smart Tiers
Mcrocode version
V02_ICS or
V02+1:
Thin Provisioning
Dynamic
Provisioning for
Mainframe
Smart Tiers
Mcrocode version
V03 and higher:
Thin Provisioning
Dynamic
Provisioning for
Mainframe
Smart Tiers
Smart Tiers Z
757 Open and
Mainframe
762 Continuous Access
Journal Z
40 Functional and operational characteristics
Description
per hour. If SSB=AD02 occurs and a path is blocked, perform
Check Paths on this path again.
4. If Check Paths is performed while Business Copy Z pair and
Compatible FlashCopy Mirror pair are defined in the specified
volume, the Check Paths operation is rejected with a message
"605 2518". If Business Copy Z pair and Compatible
FlashCopy Mirror pair are defined in the specified volume,
do not perform Check Paths and wait until the display is
automatically changed.
Disables the Thin Provisioning Rebalance function that allows the
HDDs of all ECC Groups in the pool to share the load.
Mode 749 = ON:
The Thin Provisioning Rebalance function is disabled.
Mode 749 = OFF (default):
The Thin Provisioning Rebalance function is activated.
Notes:
1. This option is applied when no change in performance
characteristic is desired.
2. All THP pools are subject to the THP Rebalance function.
3. When a pool is newly installed, the load may be concentrated
on the installed pool volumes.
4. When 0 data discarding is executed, load may be unbalanced
among pool volumes.
Enables/disables output of in-band audit logs.
Mode 757 = ON:
Output is disabled.
Mode 776 = OFF (default):
Output is enabled.
Notes:
1. Mode 757 applies to the sites where outputting the In-band
audit logs is not needed.
2. When this option is set to ON
- There is no access to SM for the In-band audit logs, which
can avoid the corresponding performance degradation.
- SM is not used for the In-band audit logs.
3. If outputting the In-band audit log is desired, set this mode to
OFF.
This mode enables to settle the data to RCU according to the time
stamp specified in the command when a Flush suspension for an
EXCTG is performed from BCM.
Mode762 = ON:
The data is settled to RCU according to the time stamp specified
in the command.
Mode 762 = OFF (default):
Default MCU/RCU
OFF .
OFF MCU/RCU
OFF RCU
(On RCU side,
consideration in
Takeover is
required for
setting)