l
Non-operating temperature: -40° to +149° F (-40° to +65° C).
l
Operating acoustic noise: Sound power, LWAd, is 7.52 bels. Sound pressure, LpAm,
is 56.4 dB. (Declared noise emission per ISO 9296.)
Storage capacity
The table lists the capacities of the DD2500 system. Data Domain system internal
indexes and other product components use variable amounts of storage, depending on
the type of data and the sizes of files. If you send different data sets to otherwise
identical systems, one system may, over time, have room for more or less actual backup
data than another.
Data Domain system commands compute and display amounts of disk space or data as
decimal multiples of certain powers of two (2
10
, 2
20
, 2
30
, and so forth). For example, 7
GiB of disk space = 7 x 2
30
bytes = 7 x 1,073,741,824 bytes. EMC Data Domain refers to
this process as Base 2 calculation.
Table 1 DD2500 storage capacity
System/
Installed
Memory
Internal
Disks
Raw
Storage
(Base
10)
Data Storage
Space
(Base 2
Calculation)
Data Storage
Space
(Base 10
Calculation)
External Storage
DD2500
4 x 8 GB
DIMM
Seven or
twelve 3.5
in. 3 TB
SAS HDDs
21 TB or
36 TB
7 drives: 10671
GiB
7+5 drives:
18763 GiB
12 drives: 24334
GiB
7 drives:
11458 GiB
7+5 drives:
20147 GiB1
12 drives:
26129 GiB
1 x 30-TB SAS shelf;
up to 30 TB of raw
capacity.
DD2500
8 x 8 GB
DIMM
Seven or
twelve 3.5
in. 3 TB
SAS HDDs
21 TB or
36 TB
7 drives: 10671
GiB
7+5 drives:
18763 GiB
12 drives: 24334
GiB
7 drives:
11458 GiB
7+5 drives:
20147 GiB
12 drives:
26129 GiB
Up to a maximum of 4
x 30-TB SAS shelves
or 3 x 45-TB SAS
shelves; up to 135 TB
of raw capacity.
For information about Data Domain expansion shelves, see the separate document,
EMC
Data Domain Expansion Shelf Hardware Guide
.
EMC Data Domain DD2500 System Installation and Setup Guide
Storage capacity 5
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