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Storwize V5030F control enclosures support only the attachment of Storwize V5030F expansion enclosures (Models AFF and A9F). Storwize V5000 expansion enclosures (Models 12E, 24E, 12F, 24F, and 92F) are not supported with Storwize V5030F control enclosures. 

Storwize V5030F expansion enclosures are supported for attachment to Storwize V5030F control enclosures only. Storwize V5000 control enclosures (Models 12C, 24C, 112, 124, 212, 224, 312, and 324) do not support the attachment of Storwize V5030F expansion enclosures. 

Table 1-5 shows the 2U expansion enclosures and 5U expansion enclosure mix rules. Shown are the maximum numbers of Drive Slots per SAS expansion string without disks in the controller. 

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The Storwize V5030 systems can be added to an existing IBM Storwize V5000 Gen1 cluster to form a two-I/O group configuration. This configuration can be used as a migration mechanism to upgrade from the IBM Storwize V5000 Gen1 to the IBM Storwize V5000 Gen2. 

