更换HP 9000服务器内存的必作步骤
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更换HP 9000服务器内存的必作步骤
以rp8400为例，首先在MP中检查错误日志（也可以使用cstm,syslog,mail等来定位需要更换的备件）：
MP> sl
Chassis Logs available:
(A)ctivity Log
(E)rror Log
(L)ive Chassis Logs
(C)lear All Chassis Logs
(Q)uit
MP:VW> e
To Select Entry:
(
(+) View next block (forwards in time)
(-) View previous block (backwards in time)
(D)ump entire log for capture and analysis
(F)irst entry
(L)ast entry
(J)ump to entry number
(V)iew Mode Select
(H)elp to repeat this menu
^B to exit
MP:VWR (
# Location Alert Keyword Timestamp
11 PDC 0,0,0 *4 0x2000034076001066 0x00ffff00ff3dff74
MEM_DIMM_ERR_DEALLOCATED
11 PDC 0,0,0 *4 0x58000b0000001060 0x0000690b0f0a311b
12/15/2005 10:49:27
10 PDC 0,0,0 *4 0x2000024076001066 0x00ffff00ff3cff74
MEM_DIMM_ERR_DEALLOCATED
10 PDC 0,0,0 *4 0x58000a0000001060 0x0000690b0f0a311b
12/15/2005 10:49:27
9 PDC 0,0,0 *4 0x2000014076001066 0x00ffff00ff3bff74
MEM_DIMM_ERR_DEALLOCATED
9 PDC 0,0,0 *4 0x5800090000001060 0x0000690b0f0a311b
12/15/2005 10:49:27
8 PDC 0,0,0 *4 0x2000074076001066 0x00ffff00ff3aff74
MEM_DIMM_ERR_DEALLOCATED
看来cell板0上Rank 3的内存全部被deconfig掉了，于是shutdown hpux，然后关闭电源，移出Cell板，更换相应的内存条。
系统加电后到BCH检查状态，仍旧报错：
Information Menu: Enter command > me
PARTITION MEMORY INFORMATION
Cell DIMM Rank 0 DIMM Rank 1 DIMM Rank 2 DIMM Rank 3
Size Status Size Status Size Status Size Status
---- ------ --------- ------ --------- ------ --------- ------ ---------
0 2048MB Active 2048MB Active 2048MB Active 2048MB Deconfig
1 2048MB Active 2048MB Active 2048MB Active 2048MB Active
Partition Total Memory: 16384 MB
Partition Active Memory: 14336 MB
Partition Deconfigured Memory: 2048 MB
* status is scheduled to change on next boot.
在BCH中的Service Menu可以用此命令来显示和分配内存模块：
DimmDealloc [
Service Menu: Enter command > clearpim
Cell 0, Press
Clearing PIM...
Cell 1, Press
Clearing PIM...
Service Menu: Enter command > dd
CELL MEMORY INFORMATION
Memory Information for Cell: 0 Cab/Slot: 0/ 0
---- DIMM A ---- ---- DIMM B ---- ---- DIMM C ---- ---- DIMM D ----
DIMM Current DIMM Current DIMM Current DIMM Current
Rank Size Status Size Status Size Status Size Status
---- ------ ---------- ------ ---------- ------ ---------- ------ ----------
0 512MB Active 512MB Active 512MB Active 512MB Active
1 512MB Active 512MB Active 512MB Active 512MB Active
2 512MB Active 512MB Active 512MB Active 512MB Active
3 512MB HW Deconf 512MB HW Deconf 512MB HW Deconf 512MB HW Deconf Cell Total Memory: 8192 MB
Cell Active Memory: 6144 MB
Cell Deconfigured Memory: 2048 MB
* status is scheduled to change on next boot.
CELL MEMORY INFORMATION
Memory Information for Cell: 1 Cab/Slot: 0/ 1
---- DIMM A ---- ---- DIMM B ---- ---- DIMM C ---- ---- DIMM D ----
DIMM Current DIMM Current DIMM Current DIMM Current