128
Upgrade and Maintenance Manual
CX270
S2
Expansion cards, interposer boards and battery backup units
6.4.3
Replacing SAS RAID controller
6.4.3.1
Required tools
●
Preliminary and concluding steps:
– Phillips PH2 / (+) No. 2 screw driver
●
Replacing SAS RAID controller:
– Phillips PH2 / (+) No. 2 screw driver
6.4.3.2
Preliminary steps
Before removing an expansion card, perform the following steps:
Ê
"Disabling SVOM boot watchdog functionality" on page 65
Ê
Locate the desired server node with the ID button.
Ê
"Shutting down the server node" on page 43
Ê
If applicable, remove all external cables from the server node.
Ê
"Removing the server node from the server enclosure" on page 44
Ê
"Disconnecting the BBU from the controller" on page 216
(if applicable)
Ê
"Removing the cables" on page 45
Ê
"Removing the riser module" on page 58
6.4.3.3
Removing the SAS RAID controller
Ê
Remove the defective expansion card as described in
"Removing SAS RAID
controller" on page 124
.
Upgrade and Repair Units (URU)
Average hardware task duration: 10 minutes
Average software task duration: 5 minutes