Replacing The Power Fail Safeguard Module For A Standard Storage Controller - H3C UniServer R4900 G3 User Manual

Figure 146 Removing the supercapacitor
10. Install a new power fail safeguard module. For more information, see
storage controller and a power fail safeguard
11. Reconnect the removed cables to the front drives backplane. For more information, see
server."
12. Install the removed fan cage. For more information, see
13. Install the removed air baffles. For more information, see
14. Install the access panel. For more information, see
15. Rack-mount the server. For more information, see
16. Connect the power cord. For more information, see
17. Power on the server. For more information, see
Verifying the replacement
Log in to HDM to verify that the flash card and the supercapacitor are in a correct state. For more
information, see HDM online help.
Replacing the power fail safeguard module for a standard
storage controller
CAUTION:
To avoid server errors, do not replace the power fail safeguard module when a drive is performing
RAID migration or rebuilding. The Fault/UID LED is off and the Present/Active LED is flashing green
on a drive if the drive is performing migration or rebuilding.
Procedure
Power off the server. For more information, see
1.
Remove the server from the rack. For more information, see
2.
Remove the access panel. For more information, see
3.
Remove the air baffles as needed. For more information, see
4.
Remove the fan cage. For more information, see
5.
Disconnect cables that might hinder the replacement.
6.
module."
"Installing
"Installing air
"Replacing the access
"Rack-mounting the
"Connecting the power
"Powering on the
"Powering off the
"Replacing the access
"Replacing the fan
116
"Installing a Mezzanine
fans."
baffles."
panel."
server."
cord."
server."
server."
"Removing the server from a
panel."
"Removing air baffles."
cage."
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rack."