IBM Storwize V5000 Gen2 Quick Installation Manual page 40

• Install all control enclosures that constitute one system in contiguous positions in a rack. Place the
control enclosure in the middle of the rack.
• Each control enclosure supports connections to multiple 2U and 5U expansion enclosures. To allow for
future expansion, reserve rack space directly above and below the system. expansion.
• Storwize V5010 and Storwize V5020 control enclosures can support up to 10 expansion enclosures on
one chain. Storwize V5030 and Storwize V5030F systems can support two chains and each chain can
support up to 10 expansion enclosures.
• If a rack is to be only partially filled, install the enclosures low enough for the rack to remain stable and
enable easy access to the enclosures for servicing.
Adding an expansion enclosure chain to an existing system
If you are adding an expansion enclosure chain to an existing Storwize V5030 or Storwize V5030F
system, follow these guidelines.
• You do not need to power off the system. You can add an expansion enclosure while the system is
operational.
• Add the first expansion enclosure directly below the control enclosure.
• Add the second expansion enclosure directly above the control enclosure.
• Add the third expansion enclosure directly below the first.
• Add the fourth expansion directly above the second, and so on.
14 Storwize V5000 Gen2: Quick Installation Guide