HP XP Replication Manager SW for XP24000/XP20000 1TB 64-127TB LTU T5284BF 전단
제품 코드
T5284BF
• Support the change in storage requirement as the applications migrate from an
application architecture with a relatively small number of large servers to an
architecture with a large number of small servers;
• Add two arrays (80 terabytes raw capacity, 20 each) over the next 12 months,
to meet additional user application requirements of 40 terabytes.
Traditional Approach
The traditional approach would have been to carefully plan to install two arrays, one at
the beginning of the year, and another half way though the year. The results of adding
the beginning of the year, and another half way though the year. The results of adding
the storage are given in table 2 below.
Original
Raw
Terabytes Utilization
Used
Terabytes
Installed
15
~40%
6
Installed
25
~45%
11
Installed
30
~50%
15
New (2 arrays)
80
~50%
40
Total
150
~48%
72
Additional
80
~50%
40
Traditional Array Approach
Table 2 – Adding Traditional Arrays to Meet Storage Requirement
An additional 40 terabytes of usable storage would be added. Traditionally it would take
about 4 months for the storage arrays to be operational, as data has to be moved from
current systems to the new arrays, with significant disruptions to application availability.
The advantages of this approach are that the storage management system would
current systems to the new arrays, with significant disruptions to application availability.
The advantages of this approach are that the storage management system would
remain the same, and there would be no training required. In addition the risks and
costs of adoption of new technology are minimized.
Virtualization and Thin Provisioning Approach
The approach that HP now recommends is to add a single array and implement a
virtualization storage service across all the arrays by attaching the installed competitor’s
high-end storage to the HP XP24000. Within this virtualization system two other services
are recommended to be added. These are tiered storage and thin provisioning for
capacity internal and external to the XP24000. The results of the approach are shown in
table 3 below. The table shows that only one array of 40 terabytes raw capacity has to
be added, providing 28 capacity of usable terabytes. An additional 14 terabytes of
usable is release from better utilization of the installed arrays.
Copyright 2007 ITCentrix 8