Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual page 26

18
Total Cache
Backup Memory
Device per
Controller (GB)
4
8
16
32
1. Locate the cache backup memory device that you want to upgrade, or identify the
location to add the new cache backup memory device.
Figure 5 Cache Backup Memory Device Locations in the CE7900
Controller Tray
2. Choose one of the following options:
To upgrade cache backup memory device – Go to step 3.
—
To install an additional cache backup memory device – Go to step 4.
—
Number of Cache Capacity of Each
Backup Memory Cache Backup
Devices per Memory Device
Controller
1 4
2 4
4 4
4 8
1. Cache Backup Memory Device Slot 1
2. Cache Backup Memory Device Slot 2
3. Cache Backup Memory Device Slot 3
4. Cache Backup Memory Device Slot 4
Cache Backup
Memory Device
Slots Populated
(GB)
USB 3
USB 3, USB 4
All
All