A customer is currently booting a 770 with internal storage, and wants to maintain a local
boot option on an E870. What local boot option is valid for the E870?
A.
Storage on the SAN
B.
Storage in the CEC
C.
Storage in the System Control Unit
D.
Storage in the disk expansion drawer
D) EXP24S Drawer
IBM Power Systems E870 and E880 Technical Overview and Introduction
Page 22
1.5 Disk and media features
The Power E870 and Power E880 system control unit and system nodes do not support
internal disks. Any required disk must reside within a SAN disk subsystem or an external disk
drawer. The EXP24S SFF Gen2-bay Drawer (#5887) is the only supported disk drawer for
Power E870 or Power E880.
Each system control unit enclosure has one slim-line bay which can support one DVD drive
(#EU13). The #EU13 DVD is cabled to a USB PCIe adapter located in either a system node
(#EC45) or in a PCIe Gen3 I/O drawer (#EC46). A USB to SATA converter is included in the
configuration without a separate feature code.
IBM i systems require a DVD to be available to the system when required. This DVD can be
located in the system control unit (DVD feature #EU13) or it can be located externally in an
enclosure like the 7226-1U3. A USB PCIe adapter such as #EC45 or #EC46 is required for
#EU13. A SAS PCIe adapter such as #EJ11 is required to attach a SATA DVD in the
7226-1U3. A virtual media repository may be used to substitute for a DVD device if using
VIOS.
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