HP StorageWorks XP12000 HP StorageWorks XP12000 Disk Array Owner's Guide (AE00 - Page 11

Overview of the HP XP12000 Disk Array, Continuous data availability, Nondisruptive service

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1 Overview of the HP XP12000 Disk Array This disk array is part of the HP StorageWorks XP series of high-performance RAID-capable disk arrays used to store large quantities of data in an efficient and secure manner. XP disk arrays support multiple operating systems, platforms, and RAID groups. Advantages include: • Continuous data availability • Nondisruptive service and upgrades • Connectivity • Scalability • Data integrity and high availability Continuous data availability The HP StorageWorks Disk Array XP series includes the first RAID disk arrays to provide truly continuous data availability. XP disk arrays are designed for nonstop operation and continuous access to all user data. Continuous data availability features include: • No single point of component failure, which enables uninterrupted access to data • Component and function redundancy, providing full fault tolerance for disk array microprocessors, control storage, cache, control and data buses, power supplies, and cooling fans Although the failure of a key component can cause a temporary reduction in performance, the disk array can sustain multiple component failures and still continue to provide full access to stored data. Nondisruptive service and upgrades Without disrupting normal disk array operations (if alternate pathing is used), an HP support representative can: • Remove, service, repair, or replace hardware subassemblies • Use the built-in service processor (SVP) to upgrade microcode Alternate paths can be established using host failover software, alternate Fibre Channel paths, or both. CAUTION: The disk array has no user-serviceable components. The SVP does not include a keyboard or monitor and is not a customer-accessible component. Only an HP support representative should open the cabinets. HP StorageWorks XP Continuous Track monitoring software detects internal hardware component problems and automatically reports them to the HP Storage Technology Center (STC) before they are noticed by operators and users. An HP support representative can verify the problem and perform XP12000 Disk Array Owner's Guide 11

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1 Overview of the HP XP12000 Disk Array
This disk array is part of the HP StorageWorks XP series of high-performance RAID-capable disk arrays
used to store large quantities of data in an efficient and secure manner. XP disk arrays support multiple
operating systems, platforms, and RAID groups. Advantages include:
•
Continuous data availability
•
Nondisruptive service and upgrades
•
Connectivity
•
Scalability
•
Data integrity and high availability
Continuous data availability
The HP StorageWorks Disk Array XP series includes the first RAID disk arrays to provide truly continuous
data availability. XP disk arrays are designed for nonstop operation and continuous access to all user
data.
Continuous data availability features include:
•
No single point of component failure, which enables uninterrupted access to data
•
Component and function redundancy, providing full fault tolerance for disk array microprocessors,
control storage, cache, control and data buses, power supplies, and cooling fans
Although the failure of a key component can cause a temporary reduction in performance, the disk
array can sustain multiple component failures and still continue to provide full access to stored data.
Nondisruptive service and upgrades
Without disrupting normal disk array operations (if alternate pathing is used), an HP support
representative can:
•
Remove, service, repair, or replace hardware subassemblies
•
Use the built-in service processor (SVP) to upgrade microcode
Alternate paths can be established using host failover software, alternate Fibre Channel paths, or
both.
CAUTION:
The disk array has no user-serviceable components. The SVP does not include a keyboard or monitor and
is not a customer-accessible component. Only an HP support representative should open the cabinets.
HP StorageWorks XP Continuous Track monitoring software detects internal hardware component
problems and automatically reports them to the HP Storage Technology Center (STC) before they are
noticed by operators and users. An HP support representative can verify the problem and perform
XP12000 Disk Array Owner's Guide
11