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Configuration Overview for Non-Redundant DAS
TABLE 7
Number of Servers
RAID Enclosures
Expansion Units
Number of Controllers
Number of Disks
Cache Optimization
(Sun StorEdge 3510
FC array)
Cache Optimization
(Sun StorEdge 3511
SATA array)
RAID Levels
Fibre connection
option
Drive Configuration
Host Adapters per
server
Traffic Manager
Storage Switches
1 Refer to Table 1 to determine how many physical drives can be included in one logical drive.
Non-Redundant DAS Tips and Techniques
A Sun StorEdge Fibre Channel array with a single controller can be configured to
I
support up to four host connections (Sun StorEdge 3510 FC array) or 6 host
connections (Sun StorEdge 3511 SATA array). These connections can be used in
pairs, individually, or in any combination of both.
You will need to add SFP modules to support more than two host connections to
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the Sun StorEdge 3500 series array. Add:
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22
Sun StorEdge 3000 Family Best Practices Manual • June 2004
Single Server Configurations
1
1
As needed
1
5 or more
Random or sequential
Sequential
Application-dependent
Loop only
One or more logical drives
plus one or more global
1
spare
Single-Port 2-Gbit FC
Not required
Not required
One SFP module to support three connections
Two SFP modules to support four connections
Dual Server Configurations
2
1
As needed
1
12 or more
Random or sequential
Sequential
Application-dependent
Loop only
Two or more logical drives
plus two or more global
1
spares
Single-Port 2-Gbit FC
Not required
Not required
Quad Server Configurations
4
1
One or more
1
24 or more
Random or sequential
Sequential
Application-dependent
Loop only
Four or more logical
drives plus four or more
1
global spares
Single-Port 2-Gbit FC
Not required
Not required
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