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Best Practices for the Sun StorEdge 3510 FC Array 9
The SAN can also support multiple Sun StorEdge 3510 FC arrays. Increasing the
number of StorEdge arrays makes more performance and capacity available within
the storage network for sharing among the servers connected to the SAN. A SAN
also provides great flexibility in how storage capacity can be allocated among
servers and eliminates cabling changes when reallocation of storage becomes
necessary.
When the Sun StorEdge 3510 FC is deployed in a SAN, both point-to-point (full
fabric) and arbitrated loop (public loop) modes are supported. Point-to-point mode
allows for slightly better full duplex performance but limits the total number of
addressable LUNs to 128, or to 64 when redundant pathing is used.
Scaling Capacity
The Sun StorEdge 3510 FC array is available in a number of configurations to
address a broad range of storage capacities. Base systems include single or
redundant controllers and a choice of five or twelve disks. This results in storage
capacities as small as 180 GB with five 36-GB disks and as large as 1.75 TB with
twelve 146-GB disks in a single Sun StorEdge 3510 FC array.
Additional storage capacity can be dynamically created, starting with a system with
five disks and then adding one or more disks. Expansion units can be dynamically
added to base systems when more storage capacity is required than a single Sun
StorEdge 3510 FC array can provide.
Sun StorEdge 3510 FC arrays remain a single storage system as expansion units are
added, even though there are multiple interconnected physical units. Expansion
units simply add bays to base units to increase the total number of disks that can be
supported. A fully configured system can support as many as thirty-six disks using
one base unit and two expansion units, providing a maximum storage capacity of
5.25 TB using 146-GB disks.