Drive performance
This topic gives performance data for Ultrium and 3592 tape drives.
Table 22 provides drive performance of the Ultrium tape drives with different
media. Table 23 on page 80 provides drive performance of the 3592 tape drives.
Table 24 on page 81 provides additional information for 3592 media.
Table 22. Performance specifications of the Ultrium tape drives
Performance Parameter
Tape Drive
Ultrium 6 Ultrium 5 Ultrium 4 Ultrium 3 Ultrium 2 Ultrium 1
Sustained data rate
(native)
1
160 MB/s
(L6 media)
N/A N/A N/A N/A N/A
140 MB/s
(L5 media)
140 MB/s
(L5 media)
N/A N/A N/A N/A
120 MB/s
(L4 media)
120 MB/s
(L4 media)
120 MB/s
(L4 media)
N/A N/A N/A
N/A
80 MB/s
(L3 media)
2
80 MB/s
(L3 media)
80 MB/s
(L3 media)
N/A N/A
N/A N/A
35 MB/s
(L2 media)
35 MB/s
(L2 media)
35 MB/s
(L2 media)
N/A
N/A N/A N/A
20 MB/s
(L1 media)
20 MB/s
(L1 media)
15 MB/s
(L1 media)
Sustained data rate (L6
media compressed at
2.5:1 compression; L5
and earlier media
compressed at 2:1
compression)
400 MB/s
(L6 media)
N/A N/A N/A N/A N/A
280 MB/s
(L5 media)
280 MB/s
(L5 media)
N/A N/A N/A N/A
240 MB/s
(L4 media)
240 MB/s
(L4 media)
240 MB/s
(L4 media)
N/A N/A N/A
N/A
160 MB/s
(L3 media)
2
160 MB/s
(L3 media)
160 MB/s
(L3 media)
N/A N/A
N/A N/A
70 MB/s
(L2 media)
70 MB/s
(L2 media)
70 MB/s
(L2 media)
N/A
N/A N/A N/A
40 MB/s
(L1 media)
40 MB/s
(L1 media)
30 MB/s
(L1 media)
Maximum sustained
data rate (at maximum
compression)
745 MB/s 745 MB/s
340 MB/s
(read)
350 MB/s
(write)
175 MB/s 110 MB/s 60 MB/s
Burst data rate for
Fibre Channel drives
800 MB/s 800 MB/s 400 MB/s 400 MB/s 200 MB/s 100 MB/s
Burst data rate for Low
Voltage Differential
(LVD) SCSI drives
N/A N/A N/A N/A
160 MB/s
(Ultra160)
80 MB/s
(Ultra2)
Burst data rate for
High Voltage
Differential (HVD) SCSI
drives
N/A N/A N/A N/A
40 MB/s
(Ultra)
40 MB/s
(Ultra)
Time to load, thread,
and initialize a
cartridge
12 seconds 15 seconds 20 seconds
Chapter 1. Introduction 79
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