Nortel Networks 400 4.0, BCM200 manual Chapter Replacing a media bay module

14Contents

Chapter 19

System monitoring and troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . 215

System status display LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 Monitoring media bay module LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 Monitoring standard configuration hard disk status using Element Manager . . . 218 Monitoring the RAID LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219 RAID disk mirroring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 Monitoring or configuring disk mirror settings using Element Manager . . . . . . . . . . . 222 Accessing disk mirroring through Element Manager . . . . . . . . . . . . . . . . . . . . . . 222 Monitoring RAID disk mirror operational status using Element Manager . . . . . . 224 Accessing the RAID status report using Element Manager . . . . . . . . . . . . . . . . 225 Monitoring disk mirroring using Element Manager . . . . . . . . . . . . . . . . . . . . . . . 225 BCM system does not function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Emergency telephone does not function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 ATA2 does not function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227

Chapter 20

Preparing hardware for maintenance or upgrades. . . . . . . . . . . . . . . . . . 229

Precautions	229
Special tools	231
Performing a system shutdown	231
Restarting the system after maintenance	232
Base function tray maintenance procedures	233
Removing the base function tray	234
Advanced function tray maintenance procedures	239
Removing and installing the main unit top cover	244
Removing the main unit top cover	244
Installing the main unit top cover	246
Using the backup and restore utility	248

Chapter 21

Replacing a media bay module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Removing an MBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 Installing an MBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Returning the system to operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

Chapter 22

Replacing the hard disk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253

Installing a RAID system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 Replacing a RAID configuration hard disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Removing a hard disk cage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 Removing a hard disk cage from a BCM200 main unit . . . . . . . . . . . . . . . . . . . . 258 Removing a hard disk cage from a BCM400 advanced function tray . . . . . . . . . 260

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