IBM Elastic Storage System 5000 Series, Руководство по оборудованию

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Supported drives Model 092 expansion enclosure
Table 13 on page 31 provides drive specifications for your system.
Table 13. Drive specifications
Model and type
3.5-inch drives
IBM Elastic Storage System 5000 Expansion –
Model 092 with 92 3.5-inch drive slots
92 SAS drives (6 TB, 10 TB, 14 TB, 16 TB)
Acoustical noise emissions
Table 14 on page 31 provides the acoustical specifications for the Model 092 expansion enclosure. 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 configuration
Acoustical output per enclosure
Idling Operating
Expansion enclosure
90 LFF drives 6.1 bels 6.1 bels
2 SFF drives 6.2 bels 6.2 bels
Table 15 on page 31 provides acoustical specifications for the Model 092 expansion enclosures in
accordance with ISO 9296
(1,2,3)
.
Important: Hearing conservation program (HCP) procedures are required for field service personnel
servicing a Model 092 expansion enclosure.
Table 15. Declared noise emissions for Model 092 expansion enclosure
Model and type
Declared A-Weighted Sound Power
Level, L
WAd
(B)
Declared A-Weighted Sound Pressure
Level, L
pAm
(dB)
Operating Idling Operating Idling
Fully configured
Model 092
expansion
enclosure
8.5 8.5 85 85
Chapter 4. Planning for hardware 31