HP 2000sa HP Direct-Connect External SAS Storage for HP BladeSystem Solutions - Page 107

Shared storage—maximum capacity, MSA2000sa

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Shared storage-maximum capacity, MSA2000sa This example illustrates the maximum number of supported MSA2000sa controller enclosures and cascaded MSA2000 drive enclosures that can connect to a c7000 BladeSystem enclosure housed in a 42U rack. • A maximum of four MSA2000sa (or MSA2000sa G2) controller enclosures can be attached to a BladeSystem c-Class enclosure. • The MSA2000sa can support a maximum of three MSA2000 drive enclosures (the MSA2000sa G2 can support a maximum of four MSA2000 drive enclosures.) Devices and quantities MSA2000sa controller enclosures: 4 MSA2000 drive enclosures: 12 BladeSystem c7000 enclosures: 1 3Gb SAS BL Switches: 2 Server blade types: half-height and full-height Connection details • Due to space limitations and level of detail, connection details are not listed. Notes • This example shows a dual-controller MSA2000sa with optimal cabling. Single controller enclosures are also supported. • When using MSA2000sa G2 controllers, device quantities can be the same as shown in the MSA2000sa example. However, if desired, because each MSA2000sa G2 can support 4 (instead of 3) cascaded drive enclosures, you could instead connect 3 MSA2000sa G2 controller enclosures, each with 4 cascaded MSA2000 drive enclosures, resulting in 2U unused rack space. Shared storage-maximum capacity, MSA2000sa 107

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Shared storage—maximum capacity, MSA2000sa
This example illustrates the maximum number of supported MSA2000sa controller enclosures and
cascaded MSA2000 drive enclosures that can connect to a c7000 BladeSystem enclosure housed
in a 42U rack.
•
A maximum of four MSA2000sa (or MSA2000sa G2) controller enclosures can be attached
to a BladeSystem c-Class enclosure.
•
The MSA2000sa can support a maximum of three MSA2000 drive enclosures (the MSA2000sa
G2 can support a maximum of four MSA2000 drive enclosures.)
Devices and quantities
MSA2000sa controller enclosures: 4
MSA2000 drive enclosures: 12
BladeSystem c7000 enclosures: 1
3Gb SAS BL Switches: 2
Server blade types: half-height and full-height
Connection details
•
Due to space limitations and level of detail,
connection details are not listed.
Notes
•
This example shows a dual-controller
MSA2000sa with optimal cabling. Single
controller enclosures are also supported.
•
When using MSA2000sa G2 controllers,
device quantities can be the same as
shown in the MSA2000sa example.
However, if desired, because each
MSA2000sa G2 can support 4 (instead of
3) cascaded drive enclosures, you could
instead connect 3 MSA2000sa G2
controller enclosures, each with 4 cascaded
MSA2000 drive enclosures, resulting in
2U unused rack space.
Shared storage—maximum capacity, MSA2000sa
107