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D2D Generation 2 products, software 2.1.00
D2D Gen2 Products, Software 2.1.00
D2D2502i
D2D2504i
D2D4106i/fc
D2D4112fc
D2D4312fc
D2D4324fc
Devices
Usable Disk Capacity (TB)
1.5
3
9
18
36
72
Max Number Devices (VTL/NAS)
4
8
16
24
50
50
Replication
Max VTL Library Rep Fan Out
1
1
1
1
1
1
Max VTL Library Rep Fan In
1
1
8
8
16
16
Max Appliance Rep Fan Out
2
2
4
4
8
8
Max Appliance Rep Fan In
4
8
16
24
50
50
Max Appliance Concurrent Rep Jobs
Source
4
4
8
8
16
16
Max Appliance Concurrent Rep Jobs
Target
8
8
24
24
48
48
Physical Tape Copy Support
Supports direct attach of physical tape
device
No
No
No
No
No
No
Max Concurrent Tape Attach Jobs
Appliance
N/A
N/A
N/A
N/A
N/A
N/A
VTL
Max VTL Drives Per Library/Appliance
16
32
64
96
200
200
Max Cartridge Size (TB)
3.2
3.2
3.2
3.2
3.2
3.2
Max Slots Per Library (D2DBS, EML-E,
ESL-E Lib Type)
96
96
1024
1024
4096
4096
Max Slots Per Library (MSL2024,
MSL4048,MSL8096 Lib Type)
24,48,96
24,48,96
24,48,96
24,48,96
24,48,96
24,48,96
Max active streams per library
32
48
64
96
128
128
Recommended Max Concurrent Backup
Streams per appliance
16
24
48
48
64
64
Recommended Max Concurrent Backup
Streams per Library
4
4
6
6
12
12
NAS
Max files per share
25000
25000
25000
25000
25000
25000
Max NAS Open Files Per Share >
DDThreshold*
32
48
64
64
128
128
Max NAS Open Files Per Appliance >
DDThreshold*
32
48
64
64
128
128
Max NAS Open Files Per Appliance
concurrent
96
112
128
128
640
640
Recommended Max Concurrent Backup
Streams per appliance
16
24
48
48
64
64
Recommended Max Concurrent Backup
Streams per Share
4
4
6
6
12
12
Performance
Max Aggregate Write Throughput
(MB/s)
90
125
222
361
680
1100
Min streams required to achieve max
aggregate throughput**
6
8
12
16
16
20
Housekeeping time per 100GB
Overwritten*** (mins)
6
6
4
4
2
2
* DDThreshold is the size a file must reach before a file is deduplicated, set to 24MB.
** Assumes no backup client performance limitations.
*** For every 100GB of user data overwritten allow this much time for the housekeeping process to run at a later time.