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BC/FS System Options table
The following table lists the items in this table on the Edit Local Replica Options window.
Item Description
System Option Displays the system options. The number next to each item is the
system option number.
Values:
• Swap & Freeze (1)Quick Restores and then saves the current
data. Used with the Quick Restore, inhibits the Update Copy
operation after performing Quick Restore, and the paired S-VOL in
"PAIR" status is not updated.
• Host I/O Performance (2)Use this option to give weight to I/O
response rather than the copy time. This option controls copy
operations and improves the host I/O response.
• Online Data Migration Data Consistency (16)Use this option to
keep the latest data in the migration source storage system instead
of distributing data in both the destination and source storage
systems during data migration.
• Copy Pace Ext. Slower1 (20), Copy Pace Ext. Slower2 (21),
Copy Pace Ext. None (22)Reducing the copy volume in "PAIR"
status curbs the influence to the I/O performance of the host
server. This item is available to all pairs in "PAIR" status. The order
of
Copy Pace Ext. Slower1 , Copy Pace Ext. Slower2 , and Copy
Pace Ext. None determines the host server’s I/O performance.
• Quick/Steady Split Multiplexing (Business Copy/Business
Copy for Mainframe)
(24)Accelerates Business Copy pair split.
The multiplicity (the number of jobs for which copy processing can
be executed concurrently) of copy processing for each pair is
changed from 1 to 24.
• Reverse Copy Multiplexing (Business Copy/Business Copy for
Mainframe)
(25)Accelerates resynchronization (secondary to
primary) of Business Copy pairs. The multiplicity (the number of
jobs for which copy processing can be executed concurrently) of
copy processing for each pair is changed from 1 to 24.
• Normal Resync Multiplexing (Business Copy/Business Copy
for Mainframe)
(26)Accelerates resynchronization (primary to
secondary) of Business Copy pairs. The multiplicity (the number of
jobs for which copy processing can be executed concurrently) of
copy processing for each pair is changed from 1 to 24.
• Disable the alert notification of shared memory space warning
(30) Inhibits the alert notification of SIM reference code 603000.
Status Shows whether the system option is currently enabled or disabled.
Enable button Click to enable the selected option.
Disable button Click to disable the selected option.
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