Dell PowerVault 220S Manual - Página 26
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A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS
Cable Connector
P-type connector – Male
VHDCI-type connector – Male
PV22xS Configuration Topology and Application Attributes
PV22xS provides different configuration topologies, which may impact the storage solution
for an application. All PV22xS configuration modes have various benefits for application
attributes and are summarized as depicted in Table 4-1 and Table 4-2:
Application
Attributes
Reliability
Availability
Serviceability
Redundancy
Performance
Data
Protection
Scalability
Cost
PAGE 26
• Figure 4-7 External SCSI Connector
• Table 4-1: PV22xS Configuration Topologies Vs Application Attributs
PV22xS Configuration Topologies
Joined
Default
Relatively better than
Joined topology –
Default
depending on RAID
level (see Table 4-2 for
details)
All interconnect components are Field Replaceable units
• Not on SCSI
• Not on SCSI Path
Path
• Management
• Management
capabilities with
both ZEMMs
Depends on HDD and ZEMM technology –
U160/U320
Default
Minimum (for a given
Maximum
topology)
Could be lower with
Requires two ZEMMs, but can be lower with
Single ZEMM and
non-redundant PSU
non-redundant PSU
Controller Connector
P-type connector – Female
VHDCI-type connector – Female
Split
Default
Provides both data
and management
capabilities with
both ZEMMs
Default
Same as Joined, but
one HDD less
VER A02
Cluster
Default
High
Relatively lower
performance due to
RAID controller
configuration
requirements
Default
11/17/2005