Compaq ProLiant 6000 Compaq DLT Tape Array II: High-Performance Backup of Ente - Page 3

Ntroduction, Eed

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ECG075.0997 (cont.) DLT Tape Array II ... 1993 1994 1995 1996 1997 INTRODUCTION: THE NEED FOR SPEED As companies migrate to standardized server solutions, there are significant changes in backup/recovery paradigms. The five-days-a-week, nine-hours-a-day operation has expanded to seven days a week and 24 hours a day. Backups must be performed concurrently (live) or during very small scheduled outage windows. In either case, the backup must be performed in a minimum amount of time: Speed is essential. With the size of data sets and databases approaching and exceeding the terabyte mark, customers require improved performance for large backups. The chart below illustrates typical peak server backup speeds for the last five years. Today, Compaq passes 165 gigabytes per hour (GB/hr) with off-the-shelf technology. GB/hr 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 Figure 2: Backup speed improvement in the last five years. The 1997 figure represents results achieved by Compaq.

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7
%
(cont.)
DLT Tape Array II
ECG075.0997
I
NTRODUCTION
: T
HE
N
EED FOR
S
PEED
As companies migrate to standardized server solutions, there are significant changes in
backup/recovery paradigms. The five-days-a-week, nine-hours-a-day operation has expanded to
seven days a week and 24 hours a day. Backups must be performed concurrently (live) or
during very small scheduled outage windows. In either case, the backup must be performed in a
minimum amount of time: Speed is essential.
With the size of data sets and databases approaching and exceeding the terabyte mark,
customers require improved performance for large backups. The chart below illustrates typical
peak server backup speeds for the last five years. Today, Compaq passes 165 gigabytes per
hour (GB/hr) with off-the-shelf technology.
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
1993
1994
1995
1996
1997
GB/hr
Figure 2: Backup speed improvement in the last five years.
The 1997 figure represents results achieved by Compaq.
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