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IBM-AUSTRIA - PC-HW-Support 30 Aug 1999 |
Changing the Primary Adapter
Changing the Primary Adapter
One of the adapters in a cluster is considered the primary
adapter. By default, this is the adapter with the higher SSA Unique ID.
The performance of I/O operations to RAID-1 arrays is:
- Highest when the server that contains the primary adapter originates all the I/O operations
- Lowest when the server that contains the non-primary adapter originates all the I/O operations.
To improve the performance of your system, you might choose to
make the other adapter in the cluster the primary adapter.
To change the primary adapter:
- From the SSA Main Menu, select SSA Adapter List.
- A window opens containing a list of the SSA adapters in the pair
of clustered systems on which you are working:
Put the cursor against the adapter that is to become the primary
adapter, and press F2.
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