Hitachi 3090 G2 Hardware Reference Manual page 5

Removing and replacing the front bezel............................................................ 52
Bezel removal...............................................................................................52
Bezel replacement........................................................................................52
Replacing a fan..................................................................................................52
Replacing the NVRAM backup battery pack......................................................54
Checking battery pack status....................................................................... 54
Identifying a cluster node that requires battery replacement ............... 55
Replacing the NVRAM battery module.........................................................55
Collecting system backups and diagnostics................................................. 56
Resetting the battery age and restarting the chassis monitor ..................... 57
Collecting a final diagnostic .........................................................................58
Replacing a hard disk........................................................................................ 59
Deciding on hard disk recovery or replacement........................................... 59
Replacing a hard disk drive.......................................................................... 60
Synchronizing a new disk.............................................................................62
Replacing a power supply unit...........................................................................63
Replacing an FPGA board as a FRU.................................................................65
Requirements for Replacing FPGA board.................................................... 65
Replacing the FPGA board.......................................................................... 65
Chapter 7: Rebooting, shutting down, and powering off.................. 69
Rebooting or shutting down a server................................................................. 69
Rebooting or shutting down a cluster................................................................ 70
Restarting an unresponsive server.................................................................... 71
Powering down the server for maintenance...................................................... 73
Powering down the server for shipment or storage........................................... 73
Powering on the server or cluster...................................................................... 74
Recovering from power standby........................................................................ 75
Appendix A: Server replacement procedures................................... 76
Replacement procedure overview..................................................................... 76
Requirements............................................................................................... 76
Swapping components................................................................................. 77
Model selection.............................................................................................77
Hitachi NAS Platform 3080 and 3090 G2 Hardware Reference
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