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oracle 11g 使用ASM存储迁移,
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- 一、环境描述
- rhel 6.6 + Oracle 11.2.0.4
- 存储更换,需要添加新盘,替换掉旧的存储盘,以下为测试步骤。
-
- 二、测试过程
- [root@roidb1 ~]# cd /etc/udev
- [root@roidb1 udev]# ls
- makedev.d rules.d udev.conf
- [root@roidb1 udev]# cd rules.d/
- [root@roidb1 rules.d]# ls
- 55-usm.rules 60-pcmcia.rules 70-persistent-net.rules 98-kexec.rules
- 60-fprint-autosuspend.rules 60-raw.rules 90-alsa.rules 99-oracle-asmdevices.rules
- 60-openct.rules 70-persistent-cd.rules 90-hal.rules
- [root@roidb1 rules.d]# cat 99-oracle-asmdevices.rules
- KERNEL=="sd*",BUS=="scsi",PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name",RESULT=="1ATA_VBox_HARDDISK_VB134477b8-eb4c906a",NAME="asm-diskb",OWNER="grid",GROUP="asmadmin",MODE="0660"
- KERNEL=="sd*",RESULT=="1ATA_VBox_HARDDISK_VB02fff4da-d0a0c3a3",NAME="asm-diskc",RESULT=="1ATA_VBox_HARDDISK_VBdfa1c4b9-379f6810",NAME="asm-diskd",RESULT=="1ATA_VBox_HARDDISK_VB47ca97bf-4f2e68c0",NAME="asm-diske",MODE="0660"
- [root@roidb1 rules.d]#
- [root@roidb1 rules.d]#
-
- ##添加一块新盘
- [root@roidb1 rules.d]# scsi_id --whitelisted --replace-whitespace --device=/dev/sdf
- 1ATA_VBox_HARDDISK_VBf00cea14-af091329
- [root@roidb1 rules.d]#
- [root@roidb1 rules.d]#
- [root@roidb1 rules.d]#
- [root@roidb1 rules.d]# ls
- 55-usm.rules 60-pcmcia.rules 70-persistent-net.rules 98-kexec.rules
- 60-fprint-autosuspend.rules 60-raw.rules 90-alsa.rules 99-oracle-asmdevices.rules
- 60-openct.rules 70-persistent-cd.rules 90-hal.rules
-
- ##修改配置文件
- [root@roidb1 rules.d]# vi 99-oracle-asmdevices.rules
- KERNEL=="sd*",RESULT=="1AT
- A_VBox_HARDDISK_VB134477b8-eb4c906a",MODE="0660"ÂÂÂÂÂ
- KERNEL=="sd*",RESULT=="1AT
- A_VBox_HARDDISK_VB02fff4da-d0a0c3a3",RESULT=="1AT
- A_VBox_HARDDISK_VBdfa1c4b9-379f6810",RESULT=="1AT
- A_VBox_HARDDISK_VB47ca97bf-4f2e68c0",RESULT=="1AT
- A_VBox_HARDDISK_VBf00cea14-af091329",NAME="asm-diskf",MODE="0660"ÂÂÂ
- ~
-
- ##传输到节点2~
- scp 99-oracle-asmdevices.rules 到rac2
-
- [root@roidb1 rules.d]# cat 99-oracle-asmdevices.rules
- KERNEL=="sd*",RESULT=="1ATA_VBox_HARDDISK_VBf00cea14-af091329",MODE="0660"
- [root@roidb1 rules.d]#
- [root@roidb1 rules.d]#
- [root@roidb1 rules.d]#
-
- ##重启udev服务,加载配置文件
- [root@roidb1 rules.d]# start_udev
- Starting udev: udevd[5477]: GOTO 'pulseaudio_check_usb' has no matching label in: '/lib/udev/rules.d/90-pulseaudio.rules'
-
- ##生产/dev/asm-diskf [ OK ]
- [root@roidb1 rules.d]# ls -l /dev/asm*
- brw-rw---- 1 grid asmadmin 8,16 Jan 30 19:36 /dev/asm-diskb
- brw-rw---- 1 grid asmadmin 8,32 Jan 30 19:36 /dev/asm-diskc
- brw-rw---- 1 grid asmadmin 8,48 Jan 30 19:36 /dev/asm-diskd
- brw-rw---- 1 grid asmadmin 8,64 Jan 30 19:36 /dev/asm-diske
- brw-rw---- 1 grid asmadmin 8,80 Jan 30 19:36 /dev/asm-diskf
-
- /dev/asm:
- total 0
-
- ##查看asm磁盘
- sql> col name for a40
- sql> set line 200
- sql> select name,path,state,HEADER_STATUS from v$asm_disk;
-
- NAME PATH STATE HEADER_STATUS
- ---------------------------------------- ---------------------------------------- ---------------- ------------------------
- /dev/asm-diskf NORMAL CANDIDATE --要添加的磁盘
- CRSDG_0002 /dev/asm-diskd NORMAL MEMBER
- CRSDG_0000 /dev/asm-diskb NORMAL MEMBER
- DATADG_0000 /dev/asm-diske NORMAL MEMBER
- CRSDG_0001 /dev/asm-diskc NORMAL MEMBER
-
- ##使用sysasm添加磁盘
- alter diskgroup datadg add disk '/dev/asm-diskf' ;
-
- ##加快平衡速度,power=0就是停止rebalance操作,不建议使用11
- alter diskgroup datadg rebalance power 11;
-
- sql> alter diskgroup datadg rebalance power 11;
-
- Diskgroup altered.
-
- sql> select * from v$asm_operation;
-
- GROUP_NUMBER OPERATION STATE POWER ACTUAL SOFAR EST_WORK EST_RATE EST_MINUTES ERROR_CODE
- ------------ ---------- -------- ---------- ---------- ---------- ---------- ---------- -----------
-
- ----------------------------------------------------------------------------------------
- 2 REBAL RUN 11 11 22 22 0 0
-
- sql>
-
- ##继续查看磁盘状态,已添加完成
-
- col name for a15
- col path for a15
- col state for a10
- set line 200
- select MODE_STATUS,HEADER_STATUS,MODE_STATUS,TOTAL_MB,FREE_MB,name,PATH from v$asm_disk;
-
- sql> col name for a15
- sql> col path for a15
- sql> col state for a10
- sql> set line 200
- sql> select MODE_STATUS,PATH from v$asm_disk;
-
- MODE_STATUS HEADER_STATUS MODE_STATUS STATE TOTAL_MB FREE_MB NAME PATH
- -------------- ------------------------ -------------- ---------- ---------- ---------- --------------- ---------------
- ONLINE MEMBER ONLINE NORMAL 4096 3787 CRSDG_0002 /dev/asm-diske
- ONLINE MEMBER ONLINE NORMAL 4096 3788 CRSDG_0001 /dev/asm-diskd
- ONLINE MEMBER ONLINE NORMAL 6144 3977 DATADG_0000 /dev/asm-diskb
- ONLINE MEMBER ONLINE NORMAL 4096 3787 CRSDG_0000 /dev/asm-diskc
- ONLINE MEMBER ONLINE NORMAL 8192 5306 DATADG_0001 /dev/asm-diskf
-
- sql>
-
- ##删除磁盘
-
- alter diskgroup datadg drop disk 'DATADG_0000'; --按照name来删除
-
- alter diskgroup datadg rebalance power 11;
-
- col error_code for a5
- set line 200
- select * from v$asm_operation;
-
- ##查看平衡速度
- sql> col error_code for a5
- sql> set line 200
- sql> select * from v$asm_operation;
-
- GROUP_NUMBER OPERATION STATE POWER ACTUAL SOFAR EST_WORK EST_RATE EST_MINUTES ERROR
- ------------ ---------- -------- ---------- ---------- ---------- ---------- ---------- ----------- -----
- 2 REBAL RUN 11 11 47 768 2334 0
-
- sql>
-
- sql> col name for a15
- sql> col path for a15
- sql> col state for a10
- sql> set line 200
- sql> select MODE_STATUS,PATH from v$asm_disk;
-
- MODE_STATUS HEADER_STATUS MODE_STATUS STATE TOTAL_MB FREE_MB NAME PATH
- -------------- ------------------------ -------------- ---------- ---------- ---------- --------------- ---------------
- ONLINE FORMER ONLINE NORMAL 0 0 /dev/asm-diske ##已删除
- ONLINE MEMBER ONLINE NORMAL 4096 3788 CRSDG_0001 /dev/asm-diskc
- ONLINE MEMBER ONLINE NORMAL 4096 3787 CRSDG_0000 /dev/asm-diskb
- ONLINE MEMBER ONLINE NORMAL 8192 3095 DATADG_0001 /dev/asm-diskf
- ONLINE MEMBER ONLINE NORMAL 4096 3787 CRSDG_0002 /dev/asm-diskd
-
- sql>