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Message Posted: Thu, 04 Mar 2004 @ 16:40:43 GMT
This depends what you are doing. If you have the same amount of storage on each node and you increase the number of AMPs on the faster nodes these will be smaller than the AMPs on the nodes on which you do not increase the number of AMPs. When you bring the system up you will not be able to use the excess storage on the bigger AMPs. Simple maths gives lost storage as:
number of vamps on slower nodes * (size VAMPs on slower nodes - size VAMPs on faster nodes).
If you can increase the storage on the faster nodes then you can add additional AMPs of the same size as the existing and increase the storage and performance. If you have gaps in your disk arrays you may simply have to purchase more discs. Or you could move discs from the slower nodes to the faster and get more performance but no more storage. It all depends on what hardware you have.
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