HP BladeSystem c3000 HP BladeSystem Deployment Guide for Solutions with 6Gb SA - Page 72

The following standards are maintained in the sample configurations, Dual domain, Single domain

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The following standards are maintained in the sample configurations: Device / Component Single domain Dual domain SAS BL switches: Depending on the type of server blade Depending on the type of server blade used, one or two switches are installed in used, two or four switches are installed in the c-Class enclosure, providing a single the c-Class enclosure, providing dual paths path between the server blades and the between the server blades and the switches. When using full-height or switches. When using full-height or half-height server blades, one switch is half-height server blades, two switches are required. required, installed in adjacent interconnect bays, for example, in interconnect bays 5 and 6. MSA 2040 SAS or P2000 G3 One controller is installed in MSA 2040 SAS MSA controller modules: SAS or P2000 G3 SAS MSA controller enclosures, providing a single path between the switch and the MSA 2040 SAS or P2000 G3 SAS MSA System. Two controllers are installed in MSA 2040 SAS or P2000 G3 SAS MSA controller enclosures, providing an alternate path between the switches and the MSA 2040 SAS or P2000 G3 SAS MSA System. MDS600 or D6000 SAS I/O modules: One I/O module is installed in each Two I/O modules are installed in each MDS600 or D6000 storage enclosure MDS600 or D6000 storage enclosure drawer, providing a single path between drawer, providing alternate paths between the switch and the drives in the MDS600 the switches and the dual-port SAS drives or D6000. Unlike dual-port SAS drives, in each MDS600 or D6000 enclosure single-port SATA drives are always single drawer. domain, regardless of the number of I/O modules in the storage enclosure drawer.SATA drives are not supported for use in D6000 enclosures, but are supported for some MDS600 configurations. Support restrictions exist. For more information see "External SAS device, controller, drive, and cabling support matrices" (page 77) D2600/D2700 SAS I/O modules: One I/O module is installed in the D2600/D2700 storage enclosure, providing a single path between the switch and the single-port SATA disk drives in the D2600/D2700 disk enclosure. Two I/O modules are installed in the D2600/D2700 storage enclosure, providing alternate paths between the switches and the dual-port SAS disk drives in the D2600/D2700 disk enclosure. Cabling: A single cable is connected between the Two cables are connected between the switch and the storage enclosure. If ports switch and the storage enclosure: one from on the switch and the storage enclosure the primary controller or I/O module and are available, connect an additional cable one from the secondary controller or I/O between the devices, for improved module. If ports on the switch and the performance. storage enclosure are available, connect an additional cable between the devices, for improved performance. 72 Deployment examples

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The following standards are maintained in the sample configurations:
Dual domain
Single domain
Device / Component
Depending on the type of server blade
used, two or four switches are installed in
Depending on the type of server blade
used, one or two switches are installed in
SAS BL switches:
the c-Class enclosure, providing dual paths
the c-Class enclosure, providing a single
between the server blades and the
path between the server blades and the
switches. When using full-height or
switches. When using full-height or
half-height server blades, two switches are
half-height server blades, one switch is
required.
required, installed in adjacent interconnect
bays, for example, in interconnect bays 5
and 6.
Two controllers are installed in MSA 2040
SAS or P2000 G3 SAS MSA controller
One controller is installed in MSA 2040
SAS or P2000 G3 SAS MSA controller
MSA 2040 SAS or P2000 G3
SAS MSA controller modules:
enclosures, providing an alternate path
enclosures, providing a single path
between the switches and the MSA 2040
SAS or P2000 G3 SAS MSA System.
between the switch and the MSA 2040
SAS or P2000 G3 SAS MSA System.
Two I/O modules are installed in each
MDS600 or D6000 storage enclosure
One I/O module is installed in each
MDS600 or D6000 storage enclosure
MDS600 or D6000 SAS I/O
modules:
drawer, providing alternate paths between
drawer, providing a single path between
the switches and the dual-port SAS drives
the switch and the drives in the MDS600
in each MDS600 or D6000 enclosure
drawer.
or D6000. Unlike dual-port SAS drives,
single-port SATA drives are always single
domain, regardless of the number of I/O
modules in the storage enclosure
drawer.SATA drives are not supported for
use in D6000 enclosures, but are
supported for some MDS600
configurations. Support restrictions exist.
For more information see
“External SAS
device, controller, drive, and cabling
support matrices” (page 77)
Two I/O modules are installed in the
D2600/D2700 storage enclosure,
One I/O module is installed in the
D2600/D2700 storage enclosure,
D2600/D2700 SAS I/O
modules:
providing alternate paths between the
providing a single path between the
switches and the dual-port SAS disk drives
in the D2600/D2700 disk enclosure.
switch and the single-port SATA disk
drives in the D2600/D2700 disk
enclosure.
Two cables are connected between the
switch and the storage enclosure: one from
A single cable is connected between the
switch and the storage enclosure. If ports
Cabling:
the primary controller or I/O module and
on the switch and the storage enclosure
one from the secondary controller or I/O
are available, connect an additional cable
module. If ports on the switch and the
between the devices, for improved
performance.
storage enclosure are available, connect
an additional cable between the devices,
for improved performance.
72
Deployment examples