Scalability; Xp24000 Basic Configuration; Xp20000 Basic Configuration; Disk Array Simplified San Connection - HP StorageWorks XP20000/XP24000 - Disk Array Owner's Manual

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's Guide 9