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NOTE: The enclosure core product definitions follow.
•
See
"2U enclosure core product"
•
See
"5U enclosure core product"
•
IOMs are used in 2U and 5U chassis, and are described in
IMPORTANT: The enclosures support dual-controller configuration only. If a partner controller fails, the storage system
will fail over and run on a single controller module until the redundancy is restored. For RBODs and EBODs, an IOM must
be installed in each IOM slot to ensure sufficient air flow through the enclosure during operation.
2U enclosure core product
The design concept is based on an enclosure subsystem together with a set of plug-in modules. A typical enclosure
system—as supplied—includes the following:
•
An enclosure chassis which includes the midplane PCB and an integral operator's (Ops) panel that is mounted on the
left ear flange at the front of the enclosure.
•
Two 580W, 100–240V AC power cooling modules. See also
•
Two IOMs: 2 x SBB-compliant interface slots.
•
Up to 24 disk drive modules. Where appropriate the disk drive carriers will include an Interposer card. See also
"Enclosure variants" (page
•
A rail kit for rack mounting.
NOTE: The module quantities quoted above are the maximum that a 2U24 enclosure can support. The following
figures show component locations–together with CRU slot indexing–relative to 2U enclosure front and rear panels.
2U enclosure front panel
Integers on disks indicate drive slot numbering sequence.
Figure 7 2U12 enclosure system – front panel components
0
1
Figure 8 2U24 enclosure system – front panel components
24
System overview
for the 2U12 and 2U24 form factor.
for the 5U84 form factor.
23). Dummy drive carrier modules must be installed in all empty drive slots.
0
4
8
2
3
4
5
6
7
"Controller modules"
Figure 28 (page
1
5
9
8
9
10
11
12 13
and
"Expansion module" (page
36).
2
6
10
14
15
16
17 18
19 20 21
26).
3
7
11
22 23
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