26 Sun StorEdge 3000 Family Best Practices Manual • June 2004
High-Availability DAS Configurations
FIGURE 7 High-Availability DAS Configurations
Note – The Sun StorEdge 3511 SATA array cannot be used to store single instances
of data but can be used in multi-path and multi-host configurations where the array
has a backup or archival role.
TABLE 9 Configuration Overview for High Availability DAS
Single Server Configurations Dual Server Configurations Quad Server Configurations
Number of Servers 1 2 4
RAID Enclosures 1 1 1
Expansion Units As needed As needed One or more
Number of Controllers 2 2 2
Single Server Dual Servers
Quad Servers
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