Dell PowerEdge C8000 Installatiehandleiding - Pagina 12
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A quick and easy guide to setting up the Dell PowerEdge C8000
Connecting the C8000XD storage sled
The C8000XD storage sled is available
with 3.5-inch or 2.5-inch SAS/SATA/SSD in 12-
or 24-disk configurations. Compute sleds
connect to the C8000XD through four SAS
connections on the front of the sled. The four
SAS ports are labeled A1, A2, B1 and B2.
(Figure 13 shows the C8000XD and highlights
the four SAS ports.)
You can configure these ports in the
following four configurations. Refer to the
C8000XD owner's manual for more detailed
information about the different
2
configurations.
Single Port mode. In this mode, all drives
in the C8000XD storage sled are available
to the connected compute sled. This
option allows you to daisy-chain additional C8000XDs to increase the available
storage to the compute sled.
Dual Port mode. This mode delivers dual path functionality and redundant path
capability. The connection to the storage would be through two different host bus
adapters (HBAs).
Expansion mode (non-zoning). This mode has two cables plugged from the compute
sled to the C8000XD, which provides increased bandwidth to the storage. Hard
drives in the storage sled are cascaded for extended storage capacity.
Expansion mode (zoning). This mode allows configuration for compute sleds to
have their own dedicated storage and access only the hard-drives in their assigned
zone. In a four-zone configuration, for example, the SAS connections would be
grouped so each connector has a dedicated zone (A1/Zone0, A2/Zone1, B1/Zone2,
and B2/Zone3). The compute sled connected to A1 SAS connector would only access
the drives in zone0. The compute sleds connected to the other SAS connectors
would not be able to access zone0 but instead access their dedicated zone drives.
Figure 13: The C8000XD storage sled.
A Principled Technologies setup guide 12