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But you also need to consider the external width of the. rack. The standard width for rack enclosures is 24 inches or 600 mm, which corresponds to the standard for removable floor. tiles in a raised-floor data center. Extra-wide rack enclosures (30 inches or 750 mm) are also available, with or without extra.
Number of racks: Because each slave node uses 2RU and the company in the example needs three master nodes (1RU apiece) and two ToR switches (1RU apiece), you need a total of 41RU. Itâs 1RU less than the total capacity of a standard rack, so a single rack is sufficient for this deployment.