DD640, DD670, DD860, and DD890 Disk Drive Replacement
5
Overview
Table 1
shows the disk drive specifications for the DD640, DD670, DD860, and DD890
systems.
Note:
The DD640 is available as a 7-drive or 12-drive system.
Disk drive slots are numbered top down in each column, starting at the top left as shown
in
Figure 1
. Unused disk drive slots contain blank carriers.
Figure 1:
DD640 and DD670 Disk drive numbers
Figure 2:
DD860 and DD890 Disk Drive Numbers
Note:
Some Data Domain systems have less than 12 disks. All disk drive bays must
contain a carrier with a disk drive installed in it or a carrier with an air baffle installed.
The disk drive carriers contain LED indicators to display the disk drive status.
Figure 3:
Disk drive carrier
Table 1:
Disk Drive Specification
Model
Number of
Disk Drives
Disk Drive Bay
Numbers
DD640
7
1-7
DD640
12
1-12
DD670
12
1 - 12
DD860
4
1, 2, 4, and 5
DD890
4
1, 2, 4, and 5
