HP StorageWorks XP24000/XP20000 Disk Array Owner Guide (AE131-96081, September 2010)

Figure 1 Disk array simplified SAN connection
.
Scalability
The disk arrays are scalable to accommodate your current and future storage capacity needs.
XP24000 basic configuration
The XP24000 configuration consists of a disk control frame (primary rack) that can have 128HDDs
and zero to 4 disk array frames (DKU) that can each have 256 HDDs for a total of 1152 hard drives.
The disk array provides a flexible configuration that can include:
• Number of installed channel options: Channel Adapters (CHAs) 1 to 14 adapters (each DKA set
above 4 reduces the maximum number of CHAs by two)
• Fibre Channel: up to 224 ports
• ESCON: up to 112 ports
• FICON: up to 112 ports
• Capacity of cache memory: 4 GB to 512 GB
• Up to 1152 HDDs
Your HP support representative can add DKUs and disk drives online with no interruptions to
applications or hosts.
XP20000 basic configuration
The XP20000 configuration consists of a disk control frame (primary rack) that can have 120 HDDs,
and a disk array frame (secondary rack) that can have 120 HDDs. The disk array provides a flexible
configuration that can include:
• Number of installed channel options: 1 to 3 sets
• Capacity of cache memory: 4 GB to 128 GB
• Up to 240 HDDs/8 disk paths
In the basic configuration, the disk array consists of one primary 19–inch rack containing the following:
• One disk controller that consists of the channel adapters, disk adapters, cache memory adapters,
shared memory adapters, and CSW
• Battery boxes and power supplies that supply power to the components
XP24000/XP20000 Disk Array Owner Guide 9