AIX MPIO 改成 RDACfor HACMP.docx

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AIX MPIO 改成 RDACfor HACMP.docx

AIXMPIO改成RDACforHACMP

1,            记录主备机pv信息

主机

#lspv

hdisk0         00c830a436500d41                   rootvg         active

hdisk1         00c830a45b37c5e2                   rootvg         active

hdisk2        00c832b44b72c3a7                   datavg         active

hdisk3         00c832b44b73e6ae                   billvg         active

#lsvg-o

datavg

billvg

rootvg

#lsdev-Ccdisk

hdisk0Available00-08-00SASDiskDrive

hdisk1Available00-08-00SASDiskDrive

hdisk2Available07-00-01MPIOOtherDS4KArrayDisk

hdisk3Available07-00-01MPIOOtherDS4KArrayDisk

#manage_disk_drivers

1:

DS4100:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

2:

DS4300:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

3:

DS4500:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

4:

DS4700/DS4200:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

5:

DS4800:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

备机

#lspv

hdisk0         00c832b45a961520                   rootvg         active

hdisk1         00c832b43e16fe2b                   rootvg         active

hdisk2         00c832b44b72c3a7                   datavg        

hdisk3         00c832b44b73e6ae                   billvg         

#lsvg-o

Rootvg

2,            备份/dev下lv的属主信息

3,            停止双机软件(数据库对DS4000所有磁盘的IO访问停止)

smittyclstop

*Stopnow,onsystemrestartorboth                both                                                                      +

StopClusterServicesonthesenodes              [DG_SMC_SMC2A,DG_SMC_SMC2B]                                                +

BROADCASTclustershutdown?

                        true                                                                      +

*SelectanActiononResourceGroups                BringResourceGroupsOffline                                             +

#lssrc-gcluster

Subsystem        Group           PID         Status

clstrmgrES      cluster         139840      active

如上所示,只有一个clstrmgrES,则表示双机停止成功。

也可kill-9彻底停掉进程

4,            停掉应用(应用对DS4000所有磁盘的IO访问停止)

5,            确认此时节点只保留rootvg处于激活状态,lsvg–o只显示rootvg。

6,            将DS4000磁盘的VG信息从ODM库清掉,使用exportvg命令

exportvgdatavg

exportvgbillvg

作完后确认此时节点只有rootvg信息,lsvg只显示rootvg

7,            删掉所有DS4000的硬盘(主备机都要操作)

rmdev-dlhdisk2

rmdev-dlhdisk3

作完后确认pv已删除,lspv只显示rootvg对应的pv

主机:

#lspv

hdisk0         00c830a436500d41                   rootvg         active

hdisk1         00c830a45b37c5e2                   rootvg         active

hdisk2         00c832b44b72c3a7                   None           

hdisk3         00c832b44b73e6ae                   None           

#rmdev-dlhdisk2

hdisk2deleted

#rmdev-dlhdisk3

hdisk3deleted

#lspv

hdisk0         00c830a436500d41                   rootvg         active

hdisk1         00c830a45b37c5e2                   rootvg         active

备机:

#lsvg

rootvg

#lspv

hdisk0         00c832b45a961520                   rootvg         active

hdisk1         00c832b43e16fe2b                   rootvg         active

hdisk2         00c832b44b72c3a7                   None           

hdisk3         00c832b44b73e6ae                   None           

#rmdev-dlhdisk2

hdisk2deleted

#rmdev-dlhdisk3

hdisk3deleted

#lspv

hdisk0         00c832b45a961520                   rootvg         active

hdisk1         00c832b43e16fe2b                   rootvg         active

8,             设置多路径软件驱动(AIX6.1的多路径驱动包括MPIO和RDAC/fcparray,系统默认使用MPIO驱动,但没有通过HACMP认证,需要修改成使用RDAC/fcparray驱动。

AIX6.1默认是启mpio的...5.3默认是RDAC)

步骤一:

查看主机连接的磁盘阵列型号

lsdev-Ccdisk

主机:

#lsdev-Ccdisk

hdisk0Available00-08-00SASDiskDrive

hdisk1Available00-08-00SASDiskDrive

备机:

#lsdev-Ccdisk

hdisk0Available00-08-00SASDiskDrive

hdisk1Available00-08-00SASDiskDrive

hdisk5Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk6Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk7Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk8Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk9Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk10Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk11Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk12Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk13Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk14Defined  05-00-01MPIOOtherDS4KArrayDisk

hdisk15Defined  05-00-01MPIOOtherDS4KArrayDisk

由于该机器曾经作为报表RAC的节点,残留许多垃圾的Defined过的hdisk,需要清除:

rmdev-dlhdisk4

rmdev-dlhdisk15

然后检查

#lsdev-Ccdisk

hdisk0Available00-08-00SASDiskDrive

hdisk1Available00-08-00SASDiskDrive

步骤二:

查询操作系统支持的磁盘阵列的多路径软件驱动

主机:

#manage_disk_drivers

1:

DS4100:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

2:

DS4300:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

3:

DS4500:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

4:

DS4700/DS4200:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

5:

DS4800:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

备机:

#manage_disk_drivers

1:

DS4100:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

2:

DS4300:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

3:

DS4500:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

4:

DS4700/DS4200:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

5:

DS4800:

currentlyMPIO;supported:

RDAC/fcparray,MPIO

步骤三:

设置操作系统的多路径软件驱动。

由于主机连接的是DS4700磁盘阵列,所以需要设置为驱动4。

执行以下命令后,再输入“Y”,确认修改驱动。

#manage_disk_drivers-c4

DS4700/DS4200currentlyRDAC/fcparray

Changetoalternatedriver?

[Y/N]Y

DS4700/DS4200nowmanagedbyRDAC/fcparray

Itisnecessarytoperformabosbootbeforerebootingthesystemin

ordertoincorporatethischangeintothebootimage.

Inordertochangetothenewdriver,eitherarebootorafull

unconfigureandreconfigureofalldevicesofthetypechanged

mustbeperformed.

步骤四:

创建设备引导映像

bosboot–a

主机:

#bosboot-a

bosboot:

Bootimageis40804512byteblocks.

备机:

#bosboot-a

bosboot:

Bootimageis40804512byteblocks.

步骤五:

重启操作系统

#shutdown–Fr

步骤六:

重启后检查是否为RDAC驱动

主机:

#lspv

hdisk0         00c830a436500d41                   rootvg         active

hdisk1         00c830a45b37c5e2                   rootvg         active

hdisk2         00c832b44b72c3a7                   None           

hdisk3         00c832b44b73e6ae                   None           

#fget_config-Av

---dar0---

Userarrayname=''

dac2ACTIVEdac3ACTIVE

Disk    DAC  LUNLogicalDrive

utm            31

hdisk2  dac3   01   

hdisk3  dac2   12   

备机:

#lspv

hdisk0         00c832b45a961520                   rootvg         active

hdisk1         00c832b43e16fe2b                   rootvg         active

hdisk2         00c832b44b72c3a7                   None           

hdisk3         00c832b44b73e6ae                   None           

#fget_config-Av

---dar0---

Userarrayname=''

dac2ACTIVEdac3ACTIVE

Disk    DAC  LUNLogicalDrive

utm            31

hdisk2  dac2   01   

hdisk3  dac3   12   

9,            根据pvid重新importvg

importvg-ydatavghdisk2

importvg-ybillvghdisk3

主机:

#importvg-ydatavghdisk2

datavg

#importvg-ybillvghdisk3

billvg

#lsvg

rootvg

datavg

billvg

#lsvg-o

billvg

datavg

rootvg

恢复/dev下lv的属主信息

属主恢复后,主机

#varyoffvgdatavg

#varyoffvgbillvg

备机:

#lsvg-o                 

rootvg

#importvg-ydatavghdisk2

datavg

#importvg-ybillvghdisk3

billvg

#lsvg-o

billvg

datavg

rootvg

恢复/dev下lv的属主信息

10,       双机同步校验

Smitclverify

结果:

Verificationhascompletednormally.

11,       启动双机

Smitclstart

                                                       [EntryFields]

*Startnow,onsystemrestartorboth               both                                                                      +

StartClusterServicesonthesenodes             [DG_SMC_SMC2A,DG_SMC_SMC2B]                                                +

*ManageResourceGroups                             Automatically                                                             +

BROADCASTmessageatstartup?

                      true                                                                      +

StartupClusterInformationDaemon?

                true                                                                      +

Ignoreverificationerrors?

                        false                                                                     +

Automaticallycorrecterrorsfoundduring          Interactively                                                             +

clusterstart?

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