Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/O1000 for Orac - Page 26

HighAvailability Features of ProLiant Servers, Shared Storage Components

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Architecture 2-3 High-Availability Features of ProLiant Servers In addition to the increased application and data availability enabled by clustering, ProLiant servers include many reliability features that provide a solid foundation for effective clustered server solutions. The PDC/O1000 is based on ProLiant servers, most of which offer excellent reliability through redundant power supplies, redundant cooling fans, and Error Checking and Correcting (ECC) memory. The high-availability features of ProLiant servers are a critical foundation of Compaq clustering products. Table 2-1 lists the high-availability features found in many ProLiant servers. Table 2-1 High-Availability Components of ProLiant Servers Hot-pluggable hard drives Digital Linear Tape (DLT) Array (optional) Uninterruptible power supplies (optional) ECC memory Offline backup processor Redundant power supplies ECC-protected processor-memory bus Redundant processor power modules PCI Hot Plug slots (in some servers) Redundant cooling fans Shared Storage Components The PDC/O1000 is based on a cluster architecture known as "shared storage clustering," in which clustered nodes share access to a common set of shared disk drives. For the PDC/O1000, the shared storage includes these hardware components: I RA4000 Arrays or RA4100 Arrays I One RA4000 Array Controller in each RA4000 Array or RA4100 Array I One Fibre Channel SAN Switch for each non-redundant Fibre Channel Fabric I One Storage Hub or FC-AL Switch for each non-redundant Fibre Channel Arbitrated Loop I Fibre Host Adapters I GBIC-SW modules I Fibre Channel cables

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Architecture
2-3
High-Availability Features of ProLiant Servers
In addition to the increased application and data availability enabled by
clustering, ProLiant servers include many reliability features that provide a
solid foundation for effective clustered server solutions. The PDC/O1000 is
based on ProLiant servers, most of which offer excellent reliability through
redundant power supplies, redundant cooling fans, and Error Checking and
Correcting (ECC) memory. The high-availability features of ProLiant servers
are a critical foundation of Compaq clustering products. Table 2-1 lists the
high-availability features found in many ProLiant servers.
Table 2-1
High-Availability Components of ProLiant Servers
Hot-pluggable hard drives
Redundant power supplies
Digital Linear Tape (DLT) Array (optional)
ECC-protected processor-memory bus
Uninterruptible power supplies (optional)
Redundant processor power modules
ECC memory
PCI Hot Plug slots (in some servers)
Offline backup processor
Redundant cooling fans
Shared Storage Components
The PDC/O1000 is based on a cluster architecture known as “shared storage
clustering,” in which clustered nodes share access to a common set of shared
disk drives. For the PDC/O1000, the shared storage includes these hardware
components:
■
RA4000 Arrays or RA4100 Arrays
■
One RA4000 Array Controller in each RA4000 Array or RA4100 Array
■
One Fibre Channel SAN Switch for each non-redundant Fibre Channel
Fabric
■
One Storage Hub or FC-AL Switch for each non-redundant Fibre
Channel Arbitrated Loop
■
Fibre Host Adapters
■
GBIC-SW modules
■
Fibre Channel cables