IBM System Storage TS3500, Введение и руководство по планированию

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Table 22. Performance specifications of the Ultrium tape drives (continued)
Performance Parameter
Tape Drive
Ultrium 6 Ultrium 5 Ultrium 4 Ultrium 3 Ultrium 2 Ultrium 1
Time to unload
cartridge from load
point
17 seconds 15 seconds 18 seconds
Average search time to
first byte of data (load
time)
60 seconds 57 seconds 49 seconds 73 seconds
Notes: N/A = not applicable.
1. All sustained data rates are dependent on the entire data path (from data source to host system to tape drive).
2. Read only
Table 23. Performance specifications of the 3592 tape drives
Performance
parameter
Tape Drive
TS1140 Tape Drive TS1130 Tape Drive TS1120 Tape Drive
3592 Model J1A Tape
Drive
Sustained data rate
(native)
1
250 MB/s
(E07 format)
N/A N/A N/A
160 MB/s
(E06 format)
160 MB/s
(E06 format)
N/A N/A
N/A
140 MB/s
(E05 format)
100 MB/s
(E05 format)
N/A
N/A
70 MB/s
(J1A format)
50 MB/s
(J1A format)
40 MB/s
(J1A format)
Compressed
sustained data rate
(at maximum
compression)
650 MB/s
(E07 format)
350 MB/s
(E06 format)
280 MB/s
(E05 format)
120 MB/s
(J1A format)
Burst data rate for
Fibre Channel devices
800 MB/s 400 MB/s 200 MB/s
Load-to-ready time 15 seconds 13 seconds 19 seconds
Unload time 24 seconds
2
23 seconds
2
21 seconds
Maximum rewind
time
Not supported
55 seconds (100%
scaled JA)
66 seconds (100%
scaled JA)
77 seconds
(100% scaled JA)
72 seconds (100% scaled JB)
90 seconds (100%
scaled JB)
Not supported
76 seconds (100%
scaled JC)
Not supported Not supported Not supported
Not supported
18 seconds (20% scaled JA) 18 seconds (20%
scaled JA)
24 seconds (20% scaled JB) Not supported
26 seconds (20%
scaled JC)
Not supported Not supported Not supported
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IBM System Storage TS3500 Tape Library with ALMS: Introduction and Planning Guide
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