Cisco Cisco Content Delivery Engine 220 Technical References

MegaRAID SAS Controller Replacement Procedure

OL-27138-01

power supplies and disconnect all the cables on the rear panel for physically replacing

the MegaRAID controller.

5. Open the chassis to replace the old MegaRAID controller with the new one.

6. Import logical drive configuration from the physical drives to the new card, if prompted to

do so.

7. Upgrade the firmware for the new MegaRAID controller by using the DOS bootable USB

key with the new firmware.

8. Pull out the USB key and reboot the server after the firmware upgrade is done.

See the section below for the details of each step:

Detailed Procedure for Streamers:

Pre-Upgrade Procedure for Streamers:

1. Start first with the secondary Streamers in the cluster followed by the primary streamer.

2. Make sure there are no active streams before upgrading. This can be done by off lining

the device in the manager prior to the upgrade. The offload command automatically
pushes active streams to other streamer servers in the cluster and is not an end-user
impacting operation.

In the CDSM, select Maintain/Server/Server Offload Enable

3. Perform a file system health check prior to the card replacement. This step is to be

performed in single user mode.

a. Bootup the server

b. During bootup, when list of Linux versions appears on the screen, select CDS-TV

Linux version and hit 'e' for edit

c. hit 'e' again on 2nd line as shown below

Figure 8: GRUB