IBM N Series Hardware Manual page 130
System storage
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initiator card. Because of a minimum of four Fibre Channel ports needed for Stretch
MetroCluster, two configurations are possible:
– Two onboard Fibre Channel ports + dual port Fibre Channel initiator adapter
– Quad port FC initiator HBA (frees up onboard Fibre Channel ports)
Remember that all slots are in use, and the N6210 cannot be upgraded with other
adapters.
Currently when using SAS Shelves, there is no spindle limit with Fabric MetroCluster and
Data ONTAP 8.x. Only the platform spindle limit applies (N62x0 and N7950T) as shown in
Table 8-3.
Table 8-3 Maximum number of spindles with DOT 8.x and Fabric MetroCluster
Platform
N6210
N6240
N6270
N7950T
Requirement: Fabric MetroClusters need four
fabric must be dedicated to the traffic for a single MetroCluster. No other devices can be
connected to the MetroCluster fabric.
Beginning with Data ONTAP 8.1, MetroCluster supports shared-switches configuration
with Brocade 5100 switches. Two MetroCluster configurations can be built with four
Brocade 5100 switches. For more information about shared-switches configuration, see
the Data ONTAP High Availability Configuration Guide.
Attention: Always see the MetroCluster Interoperability Matrix on the IBM Support site for
the latest information about components and compatibility.
110
IBM System Storage N series Hardware Guide
Number of spindles SAS/SATA
(requires FibreBridges)
480
600
960
1176
Maximum number of FC disks
480
600
840 (672 with DOT7.3.2 or 7.3.4)
840 (672 with DOT7.3.2 or 7.3.4)
dedicated
FC switches in two fabrics. Each
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