(轉)更換鏡像rootvg卷組中的硬盤
F85系統鏡像盤更換實錄之一：刪除原有鏡像操作
# cfgmgr
# lsdev -Cc disk
hdisk0 Available 11-09-00-8,0 16 Bit LVD SCSI Disk Drive
hdisk1 Available 11-09-00-10,0 16 Bit LVD SCSI Disk Drive
# lsvg
rootvg
# lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk1 active 542 148 70..00..00..00..78
hdisk0 missing 542 148 70..00..00..00..78
# unmirrorvg rootvg hdisk0
0516-1246 rmlvcopy: If hd5 is the boot logical volume, please run ‘chpv -c <diskname>‘
as root user to clear the boot record and avoid a potential boot
off an old boot image that may reside on the disk from which this
logical volume is moved/removed.
0516-1132 unmirrorvg: Quorum requirement turned on, reboot system for this
to take effect for rootvg.
0516-1144 unmirrorvg: rootvg successfully unmirrored, user should perform
bosboot of system to reinitialize boot records. Then, user must modify
bootlist to just include: hdisk1.
# lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk1 active 542 148 70..00..00..00..78
hdisk0 missing 542 542 109..108..108..108..109
# chpv -c hdisk0
# reducevg rootvg hdisk0
# lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk1 active 542 148 70..00..00..00..78
# bootlist -m normal hdisk1
F85系統鏡像盤更換實錄之二：重建鏡像
lsdev -Cc disk
hdisk0 Available 11-09-00-8,0 16 Bit LVD SCSI Disk Drive
hdisk1 Available 11-09-00-10,0 16 Bit LVD SCSI Disk Drive
# lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk1 active 542 148 70..00..00..00..78
# chdev -l hdisk0 -a pv=yes
hdisk0 changed
# extendvg rootvg hdisk0
0516-1398 extendvg: The physical volume hdisk0, appears to belong to
another volume group. Use the force option to add this physical volume
to a volume group.
0516-792 extendvg: Unable to extend volume group.
# extendvg -f rootvg hdisk0
# lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk1 active 542 148 70..00..00..00..78
hdisk0 active 542 542 109..108..108..108..109
關掉rootvg的 QUORUM功能: (是否需要這個步驟)
#chvg -Qn rootvg
# mirrorvg rootvg
0516-1124 mirrorvg: Quorum requirement turned off, reboot system for this
to take effect for rootvg.
0516-1126 mirrorvg: rootvg successfully mirrored, user should perform
bosboot of system to initialize boot records. Then, user must modify
bootlist to include: hdisk0 hdisk1.
# bosboot -a -d /dev/hdisk0
bosboot: Boot image is 20904 512 byte blocks.
# bootlist -m normal hdisk1 hdisk0
# lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk1 active 542 148 70..00..00..00..78
hdisk0 active 542 148 76..12..00..00..60
# exit
F85系統鏡像盤更換實錄之三：現場診斷及修復過程
1,登陸到F85主機，仔細查看錯誤日誌，確認系統鏡像盤hdisk0的故障：
# errpt
IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION
2F3E09A4 0801151907 I H hdisk0 REPAIR ACTION
16F35C72 0801083807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0801003807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0731163807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0731083807 P H hdisk0 DISK OPERATION ERROR
B6048838 0731051907 P S SYSPROC SOFTWARE PROGRAM ABNORMALLY TERMINATED
B6048838 0731043107 P S SYSPROC SOFTWARE PROGRAM ABNORMALLY TERMINATED
B6048838 0731041907 P S SYSPROC SOFTWARE PROGRAM ABNORMALLY TERMINATED
16F35C72 0731003807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0730163807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0730083807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0730003807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0729163807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0729083807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0729003807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0728163807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0728083807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0728003807 P H hdisk0 DISK OPERATION ERROR
16F35C72 0727163807 P H hdisk0 DISK OPERATION ERROR
2,打開機器前面板，根據硬盤使用繁忙程度(比較兩塊硬盤指示燈閃爍情況)初步判斷系統鏡像盤位於前面板右下側硬盤籠子中的一號插槽，三號插槽中為hdisk1；
3,為進一步確保判斷的準確性，請客戶停掉主機上的應用、關閉數據庫、關閉系統。待所有操作完成，打開硬盤籠子擋板，手工拔去一號插槽中的硬盤，重新啟動到系統，“lsdev –Cc disk”觀察hdisk0和hdisk1的狀態，hdisk0由上次的“available”變為“defined”，hdisk1沒有變化，則說明位於硬盤籠一號插槽中確為hdisk0；
4,根據服務手冊，硬盤籠中硬盤可熱插拔。在主機運行的情況下將拔出的硬盤插入一號插槽，合上硬盤籠擋板；
5,通過命令“cfgmgr”重新識別到hdisk0，“lsdev –Cc disk”查看hdisk0狀態轉為“available”，但在“lsvg –p rootvg”中查看物理盤hdisk0的狀態為“missing”而非“active”，表示仍然有問題；
6,對hdisk0進行刪除鏡像操作:
# unmirrorvg rootvg hdisk0(取消hdisk0對rootvg的鏡像)
# chpv -c hdisk0(清除引導區)
# reducevg rootvg hdisk0(將hdisk0從卷組中清除)
# bootlist -m normal hdisk1(重設啟動順序)
7,“lsvg –p rootvg”觀察，確認hdisk0已經脫離rootvg，打開硬盤籠擋板，拔出一號槽中的hdisk0，並將新帶來的36G硬盤插入到一號槽中，合上硬盤籠擋板。“cfgmgr”重新掃描硬件設備，“lsdev –Cc disk”查看新加硬盤在系統中顯示為“hdisk0”，且狀態為“available”，表示此硬盤可用；
8,對hdisk0進行鏡像操作:
# chdev -l hdisk0 -a pv=yes(將新硬盤設為可用)
# extendvg rootvg hdisk0(將hdisk0加入rootvg)
# mirrorvg rootvg(對rootvg進行鏡像,約二十分鐘後鏡像成功)
# bosboot -a -d /dev/hdisk0(在hdisk0上創建啟動映象)
# bootlist -m normal hdisk1 hdisk0(重新設置啟動順序)
9,通過命令“lsvg –p rootvg”查看確認hdisk0已經包含在rootvg中並處於“active”狀態,且使用pp數相同(一個pp等於64M):
# lsvg -p rootvg
rootvg:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk1 active 542 148 70..00..00..00..78
hdisk0 active 542 148 76..12..00..00..60
###############################################################################
替換rootvg中的磁盤
rootvg 中原來mirror的是 hdisk0 和 hdisk1，由於這兩塊磁盤是同一個BUS上的，我想換另外一個BUS上的磁盤，用hdisk4替換掉hdisk1
root用戶執行：
extend rootvg hdisk4
migratepv -l hd5 hdisk1 hdisk4 # 從hdisk1移到hdisk0
bosboot -ad /dev/hdisk4
chpv -c hdisk1
bootlist -m nornal hdisk0 hdisk4
sysdumpdev -p /dev/sysdumpnull
migratepv hdisk1 hdisk4
sysdumpdev -p /dev/hd6
reducevg rootvg hdisk1
shutdown -Fr
(轉)更換鏡像rootvg卷組中的硬盤