HP D2D D2D Best Practices for VTL, NAS and Replication implementations (EH985- - Page 82

D2D Generation 1 products, software 1.1.00 - d2d2504i backup system

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D2D Generation 1 products, software 1.1.00 D2D Generation 1 Products, Software 1.1.00 D2D2502i D2D2503i D2D2504i D2D4004i/fc D2D4009i/fc Devices Usable Disk Capacity (TB) 1.5 2.25 3 7.5 7.5 Max Number Devices (VTL/NAS) 4 6 8 16 16 Replication Max Library Rep Fan Out 1 1 1 1 1 Max Library Rep Fan In 1 1 1 4 4 Max Appliance Rep Fan Out 2 2 2 4 4 Max Appliance Rep Fan In 4 6 8 16 16 Max Appliance Concurrent Rep Jobs Source 2 1 2 2 2 Max Appliance Concurrent Rep Jobs Target 3 2 3 6 6 Physical Tape Copy Support Supports direct attach of physical tape device Yes Yes Yes Yes Yes Max Concurrent Tape Attach Jobs Appliance 4 4 4 4 4 VTL Max VTL Drives Per Library 4 1 4 4 4 Max Slots Per Library (D2DBS Library Type) 48 48 48 96 96 Max Slots MSL2024,MSL4048,MSL8096 Recommended Max Concurrent Backup Streams per appliance Recommended Max Concurrent Backup Streams per Library 24,48,96 16 4 24,48,96 8 4 24,48,96 24 4 24,48,96 12 4 24,48,96 12 4 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 8 32 96 16 4 25000 8 16 40 8 4 25000 8 48 112 24 4 25000 8 24 40 12 4 25000 8 24 40 12 4 Performance Max Aggregate Write Throughput (MB/s) 50 75 90 70 90 Min streams required to achieve max aggregate throughput** 4 4 6 12 12 Housekeeping time per 100GB Overwritten*** (mins) 11 11 11 11 8 * 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. D2D4112fc 18 24 1 4 4 24 2 8 Yes 4 4 144 24,48,96 24 4 25000 8 48 112 24 4 200 16 6 82

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82
D2D Generation 1 products, software 1.1.00
D2D Generation 1 Products, Software 1.1.00
D2D2502i
D2D2503i
D2D2504i
D2D4004i/fc
D2D4009i/fc
D2D4112fc
Devices
Usable Disk Capacity (TB)
1.5
2.25
3
7.5
7.5
18
Max Number Devices (VTL/NAS)
4
6
8
16
16
24
Replication
Max Library Rep Fan Out
1
1
1
1
1
1
Max Library Rep Fan In
1
1
1
4
4
4
Max Appliance Rep Fan Out
2
2
2
4
4
4
Max Appliance Rep Fan In
4
6
8
16
16
24
Max Appliance Concurrent Rep Jobs Source
2
1
2
2
2
2
Max Appliance Concurrent Rep Jobs Target
3
2
3
6
6
8
Physical Tape Copy Support
Supports direct attach of physical tape device
Yes
Yes
Yes
Yes
Yes
Yes
Max Concurrent Tape Attach Jobs Appliance
4
4
4
4
4
4
VTL
Max VTL Drives Per Library
4
1
4
4
4
4
Max Slots Per Library (D2DBS Library Type)
48
48
48
96
96
144
Max Slots MSL2024,MSL4048,MSL8096
24,48,96
24,48,96
24,48,96
24,48,96
24,48,96
24,48,96
Recommended Max Concurrent Backup
Streams per appliance
16
8
24
12
12
24
Recommended Max Concurrent Backup
Streams per Library
4
4
4
4
4
4
NAS
Max files per share
25000
25000
25000
25000
25000
25000
Max NAS Open Files Per Share >
DDThreshold*
8
8
8
8
8
8
Max NAS Open Files Per Appliance >
DDThreshold*
32
16
48
24
24
48
Max NAS Open Files Per Appliance
concurrent
96
40
112
40
40
112
Recommended Max Concurrent Backup
Streams per appliance
16
8
24
12
12
24
Recommended Max Concurrent Backup
Streams per Share
4
4
4
4
4
4
Performance
Max Aggregate Write Throughput (MB/s)
50
75
90
70
90
200
Min streams required to achieve max
aggregate throughput**
4
4
6
12
12
16
Housekeeping time per 100GB
Overwritten*** (mins)
11
11
11
11
8
6
* 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.