Table 6. Drive information and performance speciîš´cation for full-height drives
Generation LTO 9 LTO 8 LTO 7 LTO 6
Inquiry
ULT3580-TD9
ULTRIUM-TD9
ULT3580-TD8
ULTRIUM-TD8
ULT3580-TD7
ULTRIUM-TD7
ULT3580-TD6
ULTRIUM-TD6
Interface (speed)
FC (8 Gbps)
SAS (12 Gbps)
FC (8 Gbps) FC (8 Gbps) FC (8 Gbps)
Native data rate
400 MB/s (L9)
360 MB /s (L8)
360 MB/s (L8)
300 MB/s (M8)
300 MB/s (L7)
300 MB/s (L7)
160 MB/s (L6)
140 MB/s (L5)
160 MB/s (L6)
140 MB/s (L5)
120 MB/s (L4)
Sustained data
rate (L6,
L7, L8 and
L9 compressed
at 2.5:1
compression; L5
and earlier
compressed at 2:1
compression)
FC
750 Mb/s (L9)
750 Mb/s (L8)
SAS
1000 MB/s (L9)
900 MB/s (L8)
FC
750 MB/s (L8)
750 MB/s (M8)
750 MB/s (L7)
FC
750 MB/s (L7)
400 MB/s (L6)
280 MB/s (L5)
FC and SAS
400 MB/s (L6)
280 MB/s (L5)
240 MB/s (L4)
Burst data rate
800 MB/s FC
1200 MB/s SAS
800 MB/s FC 800 MB/s FC 800 MB/s FC
600 MB/s SAS
Nominal load-to-
ready time
17 seconds 15 seconds 15 seconds 12 seconds
-Initialized tape 17 seconds NA NA NA
-Uninitialized tape
2
40-120 minutes NA NA NA
Nominal unload
time
30 seconds 24 seconds 20 seconds 17 seconds
Average space
record time from
load point
45 seconds 59 seconds 56 seconds 62 seconds
Average rewind
time (REWIND
command)
55 seconds 59 seconds 60 seconds NA
Average rewind time (part of UNLOAD command, dependent on mount activity)
3
Less than 5 Gb
of contiguous data
transferred
55 seconds 59 seconds 60 seconds NA
5 Gb to 50 Gb
of contiguous data
transferred
110 seconds 59 seconds 60 seconds NA
All other types of
mount activity
165 seconds 59 seconds 60 seconds NA
IBM Conîš´dential
Chapter 1. Overview11