Dell DR4300 DR Series System Administrator Guide - Page 25

DR Series Expansion Shelf, Dell DR Series System Interoperability, Guide

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the failed drive. The dedicated hot spare remains inactive until it is called upon to replace a failed drive. This scenario is usually encountered when a faulty data drive is replaced. The hot spare can act as replacement for both internal mirrored drives and the RAID 6 drive arrays. Figure 1. DR Series System Drive Slot Locations Drive 0 (top) Drive 1 (middle) Drive 2 (bottom) Drive 3 (top) Drive 4 (middle) Drive 5 (bottom) Drive 6 (top) Drive 7 (middle) Drive 8 (bottom) Drive 9 (top) Drive 10 (middle) Drive 11 (bottom) DR Series Expansion Shelf The DR Series hardware system appliance supports the installation and connection of Dell PowerVault MD1200 (for DR4000, DR4100, and DR6000) and Dell PowerVault MD1400 (for DR4300e, DR4300, and DR6300 systems) data storage expansion shelf enclosures. Each expansion shelf contains 12 physical disks in an enclosure, which provides additional data storage capacity for the basic DR Series system. The supported data storage expansion shelves can be added in a variety of capacities based on your DR Series system version; for details, see the Dell DR Series System Interoperability Guide. The physical disks in each expansion shelf are required to be Dell-certified Serial Attached SCSI (SAS) drives, and the physical drives in the expansion shelf uses slots 1-11 configured as RAID 6, with slot 0 being a global hot spare (GHS). When being configured, the first expansion shelf is identified as Enclosure 1 (in the case where two enclosures are added, these would be Enclosure 1 and Enclosure 2). Adding an expansion shelf to support the DR Series system requires a license. For more information, see the topic, "Expansion Shelf Licenses." NOTE: The 300 Gigabyte (GB) drive capacity (2.7 TB) version of the DR Series system does not support the addition of expansion shelf enclosures. NOTE: If you are running a DR Series system with an installed release of system software prior to 2.1, and you intend to upgrade to release 3.x system software and add an external expansion shelf (or shelves), Dell recommends that you observe the following best practice sequence of operations to avoid any issues: • Upgrade the DR Series system with the release 3.x system software • Power off the DR Series system • Connect the external expansion shelf (or shelves) with cabling to the DR Series system • Power on the external expansion shelf (or shelves) • Power on the DR Series system NOTE: If you install an expansion shelf enclosure to support a DR Series system, each shelf must use physical disks that have a capacity equal to or greater than each DR Series system internal drive slot capacity (0-11) that they are supporting. 25

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the failed drive. The dedicated hot spare remains inactive until it is called upon to replace a failed drive. This scenario is
usually encountered when a faulty data drive is replaced. The hot spare can act as replacement for both internal
mirrored drives and the RAID 6 drive arrays.
Figure 1. DR Series System Drive Slot Locations
Drive 0 (top)
Drive 3 (top)
Drive 6 (top)
Drive 9 (top)
Drive 1 (middle)
Drive 4 (middle)
Drive 7 (middle)
Drive 10 (middle)
Drive 2 (bottom)
Drive 5 (bottom)
Drive 8 (bottom)
Drive 11 (bottom)
DR Series Expansion Shelf
The DR Series hardware system appliance supports the installation and connection of Dell PowerVault MD1200 (for
DR4000, DR4100, and DR6000) and Dell PowerVault MD1400 (for DR4300e, DR4300, and DR6300 systems) data storage
expansion shelf enclosures. Each expansion shelf contains 12 physical disks in an enclosure, which provides additional
data storage capacity for the basic DR Series system. The supported data storage expansion shelves can be added in a
variety of capacities based on your DR Series system version; for details, see the
Dell DR Series System Interoperability
Guide
.
The physical disks in each expansion shelf are required to be Dell-certified Serial Attached SCSI (SAS) drives, and the
physical drives in the expansion shelf uses slots 1–11 configured as RAID 6, with slot 0 being a global hot spare (GHS).
When being configured, the first expansion shelf is identified as Enclosure 1 (in the case where two enclosures are
added, these would be Enclosure 1 and Enclosure 2). Adding an expansion shelf to support the DR Series system
requires a license. For more information, see the topic, “Expansion Shelf Licenses.”
NOTE:
The 300 Gigabyte (GB) drive capacity (2.7 TB) version of the DR Series system does not support the addition
of expansion shelf enclosures.
NOTE:
If you are running a DR Series system with an installed release of system software prior to 2.1, and you
intend to upgrade to release 3.x system software and add an external expansion shelf (or shelves), Dell
recommends that you observe the following best practice sequence of operations to avoid any issues:
•
Upgrade the DR Series system with the release 3.x system software
•
Power off the DR Series system
•
Connect the external expansion shelf (or shelves) with cabling to the DR Series system
•
Power on the external expansion shelf (or shelves)
•
Power on the DR Series system
NOTE:
If you install an expansion shelf enclosure to support a DR Series system, each shelf must use physical
disks that have a capacity equal to or greater than each DR Series system internal drive slot capacity (0–11) that
they are supporting.
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