Use this option to specify the cache memory
1 |
Select a logical drive from the Logical View, then, select either the Logical Drive >> Change >> Cache Settings pull-down menu option, or Change >> Cache Settings from the right-mouse pop-up menu. Result: The Cache Settings dialog is displayed with the current settings for the selected logical drive. To modify multiple logical drives, select the logical drives in the Select logical drives area:
Important:
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2 |
To enable read caching, select the Enable read caching check box. Result: Read operations from the host will be stored in controller cache memory. | ||||
3 |
To enable write caching, select the Enable write caching check box. The following options become available:
Note: Cache will automatically be flushed once the Enable write caching check box is disabled. |
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4 |
To set the cache read-ahead value, select or type a value in the Cache read-ahead multiplier spinner box. Result: The controller will copy additional data blocks into the cache while it is reading and copying host-requested data blocks from disk to cache. To disable cache read-ahead, select or type 0 in the Cache read-ahead multiplier spinner box. |
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5 |
Select OK. Result: A confirmation dialog is displayed. |
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6 |
Select Yes. Result: A progress dialog is displayed indicating the number of logical drives being changed. Select Cancel to stop any further logical drives from being changed. |
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7 |
Select OK to exit the dialog. |
Learn About Cache Settings and Performance