HP XP7 Storage - Manual (Page 117)

Edit Local Replica Option wizard
Related topics
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Page 117
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Page 118
Edit Local Replica Option window
Use this window to change the Compatible FlashCopy system options.
BC Z/Compatible FlashCopy/FCSE System Options table
This table is displayed when the System Type is Mainframe.
Description Item
The system options include: System Option
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Swap & Freeze: Use this option when you want to save data immediately after Quick
Restore as-is. When you enable this option and execute Quick Restore, update copying
after Quick Restore is inhibited, the secondary volume in the DUPLEX status is saved
without being updated.
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Host I/O Performance: Use this option when you give higher priority on I/O response
than volume copy time. Enabling this option inhibits execution of copy processing, thereby
improving host I/O response.
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FC Slower Copy1: Reduces background copying to one half, thereby improving host I/O
response.
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FC Slower Copy2: Reduces background copying to one quarter, thereby improving the
host I/O response.
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FC Ext. Slower Copy1: When the MP operating ratio of the MP blade to which the source
volume or target volume in a Compatible FlashCopy relationship is allocated exceeds
65%, background copy operations are suppressed, and consequently host I/O response
improves.
• FC Ext. Slower Copy2: When the MP operating ratio of the MP blade to which the source
volume or target volume in a Compatible FlashCopy relationship is allocated exceeds
Edit Local Replica Option wizard 117