Table 85 Capacity And Number Of Buds For Each Controller - Fujitsu ETERNUS DX S5 Series Design Manual

6. Hardware Configurations
Controller Enclosure
■
BUD
A BUD is non-volatile memory in which the firmware of an ETERNUS DX is registered. A BUD is used as an area to
back up cache data in the system memory if a power failure occurs.
The following table shows the capacity and number of BUDs for each controller.
Table 85 Capacity and Number of BUDs for Each Controller
Model
ETERNUS DX60 S5
ETERNUS DX100 S5
ETERNUS DX200 S5
ETERNUS DX500 S5
ETERNUS DX600 S5
ETERNUS DX900 S5
If the BUD fails, the failed BUD can be replaced while the system is running.
System memory capacity < 768GB/CE
System memory capacity ³ 768GB/CE
258
Capacity Number of BUDs
256GB 1
256GB 1
512GB 1
256GB 2
512GB 2
256GB 2
512GB 2
Design Guide