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identifies the location of the server modules and PMs. The CMA is also located
at the rear of the enclosure.
FRUS
The VSS2249RQ Storage Server includes the following FRUs:
The VPD EEPROM (located on the enclosure's baseboard) stores vital
information regarding each FRU, such as the FRU version and serial number.
Additional fields may be included in a customer-definable section of the VPD.
Each FRU includes a visible label that displays the part and serial numbers in
barcode-readable format. It may be necessary to remove the FRU from the
chassis to read the label.
Drive Carrier Assemblies
The VSS2249RQ Storage Server supports up to 24 hot-swappable drive carrier
assemblies, each comprised of one 2.5-inch U.2 (SFF-8639) NVMe SSD and
one drive carrier. The use of drive carriers provides for controlled insertion and
removal of the drive from the drive bay and helps to ensure complete seating of
the drive through typical operational shock and vibration.
When fully populated with all 24 drives, the storage enclosure provides up to 25
watts of power per drive. All drive bays must be completely filled with drive
carriers containing either drives or drive blanks to ensure proper system airflow
and cooling. Both single-ported and dual-ported drives are supported.
Single-ported drives report to server module 1 (see Figure 1.2 on page 5), which
CTC-DOC-002293, Rev A.2
Refer to Chapter 2 titled "About the VSSEP1EC Server Module" that begins on
page 13 for information on the server module and server components.
Refer to Chapter 3 titled "Connection and Configuration Options" that begins on
page 21 for information on the CMA.
Refer to Chapter 5 titled "Powering the VSS2249RQ Storage Server" that begins
on page 51 for information on the system power configuration.
Refer to Chapter 7 titled "Monitoring the VSS2249RQ Storage Server" that begins
on page 77 for information on the server module and PM LEDs.
Refer to Chapter 8 titled "System Maintenance" that begins on page 93 for
information on replacing a server module or a PM.
Drive Carrier Assemblies
Fan Modules
PMs
VSSEP1EC Server Modules
VSS2249RQ Storage Server User Guide
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Chapters
