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Cluster Storage Requirements
Hardware Components Requirement
Storage system One or more Dell EqualLogic PS Series groups. Each Dell EqualLogic PS5000/PS5500/
PS6000/PS6010/PS6100/PS6110/PS6500/PS6510 group supports up to sixteen storage
arrays (members) and each PS4000/PS4100/PS4110 group supports up to two storage
arrays. For specific storage array requirements, see Dell EqualLogic PS Series Storage
Array Requirements
Storage interconnect All nodes must be attached to one or more storage arrays through an iSCSI SAN.
Multiple clusters and
stand-alone systems
Can share one or more supported storage arrays.
A Dell EqualLogic PS series storage array includes redundant, hot-swappable disks, fans, power supplies, and control
modules. A failure in one of these components does not cause the array to be offline. The failed component can be
replaced without bringing the storage array down.
The following section lists hardware requirements for the Dell EqualLogic PS series storage arrays.
Dell EqualLogic PS Series Storage Array Requirements
Dell EqualLogic Array Model Minimum Required Features
PS4000 — PS4000E/PS4000X/PS4000XV
PS4100 — PS4100E/PS4100X/PS4100XV
PS4110 — PS4110E/PS4110X/PS4110XV
PS5000 — PS5000E/PS5000X/PS5000XV
PS5500 — PS5500E
PS6000 — PS6000E/PS6000X/PS6000XV/PS6000S
PS6010 — PS6010E/PS6010X/PS6010XV/PS6010S/PS6010XVS
PS6100 — PS6100E/PS6100X/PS6100XV/PS6100S/PS6100XS
PS6110 — PS6110E/PS6110X/PS6110XV/PS6110S/PS6110XS
PS6500 — PS6500E/PS6500X
PS6510 — PS6510E/PS6510X
Redundant control modules
NOTE: Ensure that the storage array(s) are running a supported firmware version. For specific firmware version
requirements, see the
Dell Cluster Configuration Support Matrices
at dell.com/ha.
NICs Dedicated To iSCSI
The NIC controlled by the iSCSI software initiator acts as an I/O adapter to connect the expansion bus of the system and
the storage array(s). Failover Cluster solutions that are configured with the EqualLogic PS Series storage arrays require
two iSCSI NICs or NIC ports in each PowerEdge system. This provides redundant paths and load balance of the I/O data
transfer to or from the storage array(s).
Network Switches Dedicated To iSCSI
The Gigabit or 10 Gigabit switches for iSCSI access function as regular network switches and provide dedicated
interconnection between the nodes and the storage array(s).
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