Information Technology Reference
In-Depth Information
Domain 3: 1 CMU (CMU#6).
Domain 4: 1 CMU (CMU#5).
Domain 5: 1 CMU (CMU#4). Because other domains may use some of the
resources from this CMU, it should be in the middle of all domain boards so
there is a better balance of memory access latencies.
Step 2: Configure the Memory Because each CMU can have either 16 or 32
DIMMs, assume 16 DIMMs each. This provides room to grow.
Domain 1: It would be best to split the 128 GB across both CMU boards, with
64 GB per CMU. This is done using 16 4 GB DIMMs on both CMU boards.
CMU#0 has 16 4 GB DIMMs and CMU#1 has 16 4 GB DIMMs.
Domain 2: Same as Domain 1. CMU#2 has 16 4 GB DIMMs and CMU#3 has
16 4 GB DIMMs.
Domain 3: 256 GB/16 DIMMs = 1 GB/DIMM. This setup is not supported on
the M-Series, so this domain must use 8 GB DIMM modules in all 32 slots.
This gives CMU#6 a total of 256 GB.
Domain 4: This domain must be configured the same way as Domain 3.
CMU#5 must have 32 8 GB DIMMs.
Domain 5: CMU#4 should have 16 4 GB DIMMs for a total of 64 GB of
memory.
Step 3: Configure the I/O Because none of the domains require many I/O cards,
each domain needs only a single IOU board.
Domain 1: Needs only IOU#0, which will house the boot disks. Cards should
be placed to get their own PCIe switch, if possible. Place the same type of card
in different IO bays in the IOU. This gives redundancy across the Oberon
ASICs: one for the top four slots, the second for the bottom four slots.
PCIe#0: Base I/O card (part SEMY7BSIZ ). This provides control of Disks
0 and 1, and access to the internal DVD. This card also provides two GbE
ports.
PCIe#1: Empty.
PCIe#2: Dual-port 8 Gb FC Card (part SG-XPCIE2FC-QF8-Z ).
PCIe#3: Empty.
PCIe#4: Dual-port GbE Card (part 7281A-2 ).
PCIe#5: Empty.
 
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