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change hyper_metro_pair write_mode
Function
The change hyper_metro_pair write_mode command is used to set the write mode of a HyperMetro pair to tune the performance of HyperMetro IO lock.
Format
change hyper_metro_pair write_mode pair_id=? write_mode=? [ prefetch_mode=? | prefetch_size=? ]
Parameters
Parameter |
Description |
Value |
|---|---|---|
| pair_id=? | ID of the HyperMetro pair. | Run the "show hyper_metro_pair general" command without any parameters to obtain the value. |
| write_mode=? | Write mode of host. | The value is "none" or "sequential" or "reverse" or "random", where:
|
| prefetch_mode=? | Prefetch mode. | The value is "max" or "scale" or "block_kb" or "block_mb" or "block_gb", where:
|
| prefetch_size=? | Prefetch size. | - |
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