HP BLc7000 HP Direct-Connect External SAS Storage for HP BladeSystem Solutions - Page 27

HP 600 Modular Disk System, Maintenance and Service Guide

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• When connecting power cords, consider the following: ◦ The MDS600 storage enclosure, BladeSystem c-CLass enclosure, and other devices in the rack all consume power. Make sure that sufficient power input is available. ◦ Each MDS600 storage enclosure ships with two pairs of unique power cords ◦ The offset power cord option kit (AF502B) is available for use with the MDS600 storage enclosure. This fanout cable provides one input connector (C20) for connecting to the rack PDU and four output connectors (C-13) for connection to the MDS600 power supplies. • When connecting the MDS600 storage enclosure to the HP 3Gb SAS BL Switch, be sure to follow HP recommended best practices. For more information about cabling devices to the switch, see the user documents for each device. Note the following: ◦ Performance may be impacted if cabling recommendations are not implemented. ◦ Maximum supported length of SAS cables is 2m. ◦ For improved performance and availability, deploy a dual-domain configuration instead of single-domain. ◦ For optimal performance, connect two cables from the switch to each MDS600 I/O module. This additional cable offers additional performance: one cable provides a 4x connection; two cables provide a 8x (high-performance) connection. IMPORTANT: In SATA high-performance configurations, all drive bays of the storage enclosure drawer must be populated with drives. For more information about single domain, dual domain, and high-performance cabling, see "Deployment examples" (page 92). • For troubleshooting purposes, be sure to check the LEDs and 7-segment display board on the MDS600. For more information about displayed codes, see the HP 600 Modular Disk System Maintenance and Service Guide or HP 600 Modular Disk System User Guide. HP 600 Modular Disk System 27

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•
When connecting power cords, consider the following:
The MDS600 storage enclosure, BladeSystem c-CLass enclosure, and other devices in
the rack all consume power. Make sure that sufficient power input is available.
◦
◦
Each MDS600 storage enclosure ships with two pairs of unique power cords
◦
The offset power cord option kit (AF502B) is available for use with the MDS600 storage
enclosure. This fanout cable provides one input connector (C20) for connecting to the
rack PDU and four output connectors (C-13) for connection to the MDS600 power supplies.
•
When connecting the MDS600 storage enclosure to the HP 3Gb SAS BL Switch, be sure to
follow HP recommended best practices. For more information about cabling devices to the
switch, see the user documents for each device. Note the following:
◦
Performance may be impacted if cabling recommendations are not implemented.
◦
Maximum supported length of SAS cables is 2m.
◦
For improved performance and availability, deploy a dual-domain configuration instead
of single-domain.
◦
For optimal performance, connect two cables from the switch to each MDS600 I/O
module. This additional cable offers additional performance: one cable provides a 4x
connection; two cables provide a 8x (high-performance) connection.
IMPORTANT:
In SATA high-performance configurations, all drive bays of the storage
enclosure drawer must be populated with drives.
For more information about single domain, dual domain, and high-performance cabling, see
“Deployment examples” (page 92)
.
•
For troubleshooting purposes, be sure to check the LEDs and 7-segment display board on the
MDS600. For more information about displayed codes, see the
HP 600 Modular Disk System
Maintenance and Service Guide
or
HP 600 Modular Disk System User Guide
.
HP 600 Modular Disk System
27