Figure 3. Rack space requirements for the 5U expansion enclosure
Enclosure clearances
Ensure that additional clearance, as shown in Table 13 on page 10, is available around each of the
control and expansion enclosures.
Table 13. Enclosure clearances
Location Space requirement Reason
Left and right sides 50 mm (2 in.) Cooling air flow
Back
Minimum: 100 mm (4 in.). This is
not needed for 5U models.
Cable exit
Supported drives for enclosures
Ccontrol enclosures and expansion enclosures support drives of different types and storage capacities.
See IBM Knowledge Center for details about your system.
Acoustical noise emissions
Table 14 on page 10 provides the acoustical specications for Storwize V5000E systems. The noise
emission level that is stated is the declared (upper limit) sound power level, in decibels, for a random
sample of enclosures. All measurements are made in accordance with ISO 7779 and reported in
conformance with ISO 9296.
Table 14. Acoustical noise emissions
Enclosure type Drive conguration
Acoustical output per enclosure
Idling Operating
Control enclosure
12 LFF drives 6.2 bels 6.1 bels
24 SFF drives 6.2 bels 6.1 bels
Expansion enclosure (2U)
12 LFF drives 6.1 bels 6.1 bels
24 SFF drives 6.2 bels 6.2 bels
Table 15 on page 11 provides the acoustical specications for the 2072-92F and 2072-E92 SAS
expansion enclosures in accordance with ISO 9296
(1,2,3)
.
Important: Hearing conservation program (HCP) procedures are required for eld service personnel
servicing a 2072-92F or 2072-E92 SAS expansion enclosure.
10
IBM Storwize V5000E : Storwize V5000E Quick Installation Guide
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