HP D2D D2D Best Practices for VTL, NAS and Replication implementations (EH985- - Page 81

D2D Generation 2 products, software 2.1.00 - d2d4106i

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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 Devices Usable Disk Capacity (TB) 1.5 3 9 18 36 Max Number Devices (VTL/NAS) 4 8 16 24 50 Replication Max VTL Library Rep Fan Out Max VTL Library Rep Fan In Max Appliance Rep Fan Out Max Appliance Rep Fan In Max Appliance Concurrent Rep Jobs Source Max Appliance Concurrent Rep Jobs Target Physical Tape Copy Support Supports direct attach of physical tape device Max Concurrent Tape Attach Jobs Appliance 1 1 2 4 4 8 No N/A 1 1 2 8 4 8 No N/A 1 8 4 16 8 24 No N/A 1 8 4 24 8 24 No N/A 1 16 8 50 16 48 No N/A VTL Max VTL Drives Per Library/Appliance Max Cartridge Size (TB) Max Slots Per Library (D2DBS, EML-E, ESL-E Lib Type) Max Slots Per Library (MSL2024, MSL4048,MSL8096 Lib Type) Max active streams per library Recommended Max Concurrent Backup Streams per appliance Recommended Max Concurrent Backup Streams per Library 16 3.2 96 24,48,96 32 16 4 32 3.2 96 24,48,96 48 24 4 64 3.2 1024 24,48,96 64 48 6 96 3.2 1024 24,48,96 96 48 6 200 3.2 4096 24,48,96 128 64 12 NAS Max files per share Max NAS Open Files Per Share > DDThreshold* Max NAS Open Files Per Appliance > DDThreshold* Max NAS Open Files Per Appliance concurrent Recommended Max Concurrent Backup Streams per appliance Recommended Max Concurrent Backup Streams per Share 25000 32 32 96 16 4 25000 48 48 112 24 4 25000 64 64 128 48 6 25000 64 64 128 48 6 25000 128 128 640 64 12 Performance Max Aggregate Write Throughput (MB/s) 90 Min streams required to achieve max aggregate throughput** 6 Housekeeping time per 100GB Overwritten*** (mins) 6 125 222 8 12 6 4 361 680 16 16 4 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. D2D4324fc 72 50 1 16 8 50 16 48 No N/A 200 3.2 4096 24,48,96 128 64 12 25000 128 128 640 64 12 1100 20 2 81

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81
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.