bay——Oracle RAC环境下ASM磁盘组扩容.docx
- 生产环境注意调整以下参数:
- +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
- + 1.节点间滚动添加UDEV磁盘
- + 2.ASM 内存大小
- + 3.POWER_LIMIT别弄太大
- +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
- 实验环境
- --系统环境:Centos 6.10
- --数据库:Oracle 11g RAC
- --磁盘绑定:udev
- 实验目的
- --存储空间不足,需要给磁盘组DATA加一块磁盘
- 准备工作
- 1.检查各个节点database、asm及grid日志是否有错误信息
- 2.检查各个节点服务状态(切换到grid用户)
- --列出数据库名
- [grid@node2 ~]$ srvctl config database
- RacNode
- [grid@node2 ~]$
- --实例状态
- [grid@node2 ~]$ srvctl status database -d RacNode
- Instance RacNode1 is running on node node1
- Instance RacNode2 is running on node node2
- [grid@node2 ~]$
- --集群状态:
- [grid@node2 ~]$ crsctl check cluster -all
- **************************************************************
- node1:
- CRS-4537: Cluster Ready Services is online
- CRS-4529: Cluster Synchronization Services is online
- CRS-4533: Event Manager is online
- **************************************************************
- node2:
- CRS-4537: Cluster Ready Services is online
- CRS-4529: Cluster Synchronization Services is online
- CRS-4533: Event Manager is online
- **************************************************************
- [grid@node2 ~]$
- --集群资源状态
- [grid@node2 ~]$ crsctl status res -t
- 3.ASM磁盘组及磁盘检查
- [grid@node1 ~]$ export ORACLE_SID=+ASM1
- [grid@node1 ~]$ sqlplus /nolog
- SQL> conn /as sysasm
- --显示使用ASM磁盘组的数据库
- SQL> col INSTANCE_NAME format a20
- SQL> col SOFTWARE_VERSION format a20
- SQL> select * from gv$asm_client order by 1,2;
- INST_ID GROUP_NUMBER INSTANCE_NAME DB_NAME STATUS SOFTWARE_VERSION COMPATIBLE_VERSION
- ---------- ------------ -------------------- -------- ------------ -------------------- ---------------------
- 1 1 RacNode1 RacNode CONNECTED 11.2.0.4.0 11.2.0.4.0
- 1 1 +ASM1 +ASM CONNECTED 11.2.0.4.0 11.2.0.4.0
- 1 3 +ASM1 +ASM CONNECTED 11.2.0.4.0 11.2.0.4.0
- 2 1 RacNode2 RacNode CONNECTED 11.2.0.4.0 11.2.0.4.0
- 2 1 +ASM2 +ASM CONNECTED 11.2.0.4.0 11.2.0.4.0
- 2 3 +ASM2 +ASM CONNECTED 11.2.0.4.0 11.2.0.4.0
- SQL>
- --显示磁盘组
- SQL> select group_number,name,state,type,total_mb,free_mb,usable_file_mb,allocation_unit_size/1024/1024 unit_mb from v$asm_diskgroup order by 1;
- GROUP_NUMBER NAME STATE TYPE TOTAL_MB FREE_MB USABLE_FILE_MB UNIT_MB
- ------------ ------------------------------ ----------- ------ ---------- ---------- -------------- ----------
- 1 DATA MOUNTED NORMAL 4096 477 -273 1
- 2 FLASH MOUNTED EXTERN 2048 1951 1951 1
- 3 OCRVOTE MOUNTED NORMAL 3072 2146 561 1
- SQL>
- --显示磁盘
- SQL> col NAME format a25
- SQL> col PATH format a40
- SQL> col FAILGROUP format a25
- SQL> select group_number,name,path,mount_status,state,redundancy,total_mb,free_mb,failgroup,create_date from v$asm_disk order by 1,2;
- GROUP_NUMBER NAME PATH MOUNT_S STATE REDUNDA TOTAL_MB FREE_MB FAILGROUP CREATE_DA
- ------------ ------------------------- ---------------------------------------- ------- -------- ------- ---------- ---------- ------------------------- ---------
- 1 DATA_0000 /dev/asm-data01 CACHED NORMAL UNKNOWN 1024 118 DATA_0000 11-DEC-18
- 1 DATA_0001 /dev/asm-data02 CACHED NORMAL UNKNOWN 1024 125 DATA_0001 11-DEC-18
- 1 DATA_0002 /dev/asm-data03 CACHED NORMAL UNKNOWN 1024 115 DATA_0002 11-DEC-18
- 1 DATA_0003 /dev/asm-data04 CACHED NORMAL UNKNOWN 1024 119 DATA_0003 11-DEC-18
- 2 FLASH_0000 /dev/asm-arch01 CACHED NORMAL UNKNOWN 1024 975 FLASH_0000 11-DEC-18
- 2 FLASH_0001 /dev/asm-arch02 CACHED NORMAL UNKNOWN 1024 976 FLASH_0001 11-DEC-18
- 3 OCRVOTE_0000 /dev/asm-ocrvote01 CACHED NORMAL UNKNOWN 1024 715 OCRVOTE_0000 11-DEC-18
- 3 OCRVOTE_0001 /dev/asm-ocrvote02 CACHED NORMAL UNKNOWN 1024 715 OCRVOTE_0001 11-DEC-18
- 3 OCRVOTE_0002 /dev/asm-ocrvote03 CACHED NORMAL UNKNOWN 1024 716 OCRVOTE_0002 11-DEC-18
- SQL>
- 4.系统层面UDEV信息
- [root@node2 ~]# cat /etc/udev/rules.d/99-oracle-asmdevices.rules
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB132e6928-d49d18d4", NAME="asm-ocrvote01", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB58647ee7-b466963a", NAME="asm-ocrvote02", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB4c771d58-f17105b9", NAME="asm-ocrvote03", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB88c685cb-3a4633f4", NAME="asm-data01", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB1b30fd18-af14e003", NAME="asm-data02", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB67a4423a-e151f28b", NAME="asm-data03", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB81f04366-170fc910", NAME="asm-data04", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB9a0f6e52-bcfcb52c", NAME="asm-arch01", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB1f2bac75-512a46ae", NAME="asm-arch02", OWNER="grid", GROUP="asmadmin", MODE="0660"
- [root@node2 ~]#
- [root@node2 ~]# ll /dev/asm-*
- brw-rw---- 1 grid asmadmin 8, 16 Dec 12 17:22 /dev/asm-arch01
- brw-rw---- 1 grid asmadmin 8, 32 Dec 12 16:21 /dev/asm-arch02
- brw-rw---- 1 grid asmadmin 8, 48 Dec 12 17:22 /dev/asm-data01
- brw-rw---- 1 grid asmadmin 8, 64 Dec 12 17:22 /dev/asm-data02
- brw-rw---- 1 grid asmadmin 8, 80 Dec 12 17:22 /dev/asm-data03
- brw-rw---- 1 grid asmadmin 8, 96 Dec 12 17:22 /dev/asm-data04
- brw-rw---- 1 grid asmadmin 8, 112 Dec 12 17:22 /dev/asm-ocrvote01
- brw-rw---- 1 grid asmadmin 8, 128 Dec 12 17:22 /dev/asm-ocrvote02
- brw-rw---- 1 grid asmadmin 8, 144 Dec 12 17:22 /dev/asm-ocrvote03
- [root@node2 ~]#
- 进入实验阶段
- 1.停止对应数据库的业务
- 2.检查数据库会话及停止监听
- --检查各个节点监听状态
- [grid@node1 ~]$ srvctl status listener -n node1
- Listener LISTENER is enabled on node(s): node1
- Listener LISTENER is running on node(s): node1
- [grid@node1 ~]$ srvctl status listener -n node2
- Listener LISTENER is enabled on node(s): node2
- Listener LISTENER is running on node(s): node2
- [grid@node1 ~]$
- --禁止监听自启动
- [grid@node1 ~]$ srvctl disable listener -n node1
- [grid@node1 ~]$ srvctl disable listener -n node2
- --停止监听
- [grid@node1 ~]$ srvctl stop listener -n node1
- [grid@node1 ~]$ srvctl stop listener -n node2
- --查看停止及关闭自启后的监听状态
- [grid@node1 ~]$ srvctl status listener -n node1
- Listener LISTENER is disabled on node(s): node1
- Listener LISTENER is not running on node(s): node1
- [grid@node1 ~]$ srvctl status listener -n node2
- Listener LISTENER is disabled on node(s): node2
- Listener LISTENER is not running on node(s): node2
- [grid@node1 ~]$
- 3.关闭数据库
- --检查数据库配置
- [grid@node1 ~]$ srvctl config database -d RacNode
- Database unique name: RacNode
- Database name: RacNode
- Oracle home: /u01/app/oracle/11.2.0/dbhome_1
- Oracle user: oracle
- Spfile: +DATA/RacNode/spfileRacNode.ora
- Domain:
- Start options: open
- Stop options: immediate
- Database role: PRIMARY
- Management policy: AUTOMATIC
- Server pools: RacNode
- Database instances: RacNode1,RacNode2
- Disk Groups: DATA
- Mount point paths:
- Services:
- Type: RAC
- Database is administrator managed
- [grid@node1 ~]$
- --禁止数据库自启动(需切换root用户)
- [root@node2 ~]# cd /u01/app/11.2.0/grid/bin
- [root@node2 bin]# ./srvctl disable database -d RacNode
- [root@node2 bin]#
- --关闭数据库
- [grid@node1 ~]$ srvctl stop database -d RacNode
- [grid@node1 ~]$
- --检查关闭后数据库状态
- [grid@node1 ~]$ srvctl status database -d RacNode
- Instance RacNode1 is not running on node node1
- Instance RacNode2 is not running on node node2
- [grid@node1 ~]$
- 4.关闭集群软件
- --查看各个节点集群是否为自启动
- [root@node1 bin]# ./crsctl config has
- CRS-4622: Oracle High Availability Services autostart is enabled.
- [root@node1 bin]#
- [root@node2 bin]# ./crsctl config has
- CRS-4622: Oracle High Availability Services autostart is enabled.
- --禁止各个节点的自启动
- [root@node1 bin]# ./crsctl disable has
- CRS-4621: Oracle High Availability Services autostart is disabled.
- [root@node1 bin]#
- [root@node2 bin]# ./crsctl disable has
- CRS-4621: Oracle High Availability Services autostart is disabled.
- [root@node2 bin]#
- --查看各个节点禁止自启动是否生效
- [root@node1 bin]# ./crsctl config has
- CRS-4621: Oracle High Availability Services autostart is disabled.
- [root@node1 bin]#
- [root@node2 bin]# ./crsctl config has
- CRS-4621: Oracle High Availability Services autostart is disabled.
- [root@node2 bin]#
- --停止各个节点集群
- [root@node1 bin]# ./crsctl stop has
- [root@node2 bin]# ./crsctl stop has
- 5.系统层面添加磁盘(存储工程师协助完成)
- 6.各个节点使用UDEV添加磁盘
- --确定盘符
- fdisk -l
- /dev/sdk
- /dev/sdl
- /dev/sdm
- /dev/sdn
- --获取绑定规则
- for i in k l m n
- do
- echo "KERNEL==\"sd*\", BUS==\"scsi\", PROGRAM==\"/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/\$name\", RESULT==\"`/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/sd$i`\", NAME=\"asm-disk$i\", OWNER=\"grid\", GROUP=\"asmadmin\", MODE=\"0660\""
- done
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB00e4d091-5990307e", NAME="asm-data05", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB8bc8125c-72dacc92", NAME="asm-data06", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VBc195c913-00f6c68e", NAME="asm-data07", OWNER="grid", GROUP="asmadmin", MODE="0660"
- KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name", RESULT=="1ATA_VBOX_HARDDISK_VB720e4cca-32c20936", NAME="asm-data08", OWNER="grid", GROUP="asmadmin", MODE="0660"
- --各个节点将规则添加到rule文件99-oracle-asmdevices.rules
- --重启udev
- [root@node1 rules.d]# start_udev
- [root@node2 rules.d]# start_udev
- --确认添加磁盘,确保各个节点可以识别到磁盘且一致
- [root@node2 rules.d]# ll /dev/asm-*
- brw-rw---- 1 grid asmadmin 8, 16 Dec 13 16:02 /dev/asm-arch01
- brw-rw---- 1 grid asmadmin 8, 32 Dec 13 16:02 /dev/asm-arch02
- brw-rw---- 1 grid asmadmin 8, 48 Dec 13 16:02 /dev/asm-data01
- brw-rw---- 1 grid asmadmin 8, 64 Dec 13 16:02 /dev/asm-data02
- brw-rw---- 1 grid asmadmin 8, 80 Dec 13 16:02 /dev/asm-data03
- brw-rw---- 1 grid asmadmin 8, 96 Dec 13 16:02 /dev/asm-data04
- brw-rw---- 1 grid asmadmin 8, 160 Dec 13 16:13 /dev/asm-data05
- brw-rw---- 1 grid asmadmin 8, 176 Dec 13 16:13 /dev/asm-data06
- brw-rw---- 1 grid asmadmin 8, 192 Dec 13 16:13 /dev/asm-data07
- brw-rw---- 1 grid asmadmin 8, 208 Dec 13 16:13 /dev/asm-data08
- brw-rw---- 1 grid asmadmin 8, 112 Dec 13 16:02 /dev/asm-ocrvote01
- brw-rw---- 1 grid asmadmin 8, 128 Dec 13 16:02 /dev/asm-ocrvote02
- brw-rw---- 1 grid asmadmin 8, 144 Dec 13 16:02 /dev/asm-ocrvote03
- [root@node2 rules.d]#
- 7.启动集群
- [root@node1 bin]# ./crsctl start has
- CRS-4123: Oracle High Availability Services has been started.
- [root@node2 bin]# ./crsctl start has
- CRS-4123: Oracle High Availability Services has been started.
- [root@node2 bin]#
- --检查集群的各个组件是否启动正常
- [grid@node2 ~]$ crsctl status res -t
- 此时,监听和数据库服务是停掉的
- 8.ASM扩容
- --检查asm是否识别到未添加的磁盘
- SQL> set line 200
- SQL> col NAME format a25
- SQL> col PATH format a40
- SQL> col FAILGROUP format a25
- SQL> select group_number,name,path,mount_status,state,redundancy,total_mb,free_mb,failgroup,create_date from v$asm_disk order by 1,2;
- GROUP_NUMBER NAME PATH MOUNT_S STATE REDUNDA TOTAL_MB FREE_MB FAILGROUP CREATE_DA
- ------------ ------------------------- ---------------------------------------- ------- -------- ------- ---------- ---------- ------------------------- ---------
- 0 /dev/asm-data07 CLOSED NORMAL UNKNOWN 0 0
- 0 /dev/asm-data08 CLOSED NORMAL UNKNOWN 0 0
- 0 /dev/asm-data06 CLOSED NORMAL UNKNOWN 0 0
- 0 /dev/asm-data05 CLOSED NORMAL UNKNOWN 0 0
- 1 DATA_0000 /dev/asm-data01 CACHED NORMAL UNKNOWN 1024 118 DATA_0000 11-DEC-18
- 1 DATA_0001 /dev/asm-data02 CACHED NORMAL UNKNOWN 1024 125 DATA_0001 11-DEC-18
- 1 DATA_0002 /dev/asm-data03 CACHED NORMAL UNKNOWN 1024 115 DATA_0002 11-DEC-18
- 1 DATA_0003 /dev/asm-data04 CACHED NORMAL UNKNOWN 1024 119 DATA_0003 11-DEC-18
- 2 FLASH_0000 /dev/asm-arch01 CACHED NORMAL UNKNOWN 1024 975 FLASH_0000 11-DEC-18
- 2 FLASH_0001 /dev/asm-arch02 CACHED NORMAL UNKNOWN 1024 976 FLASH_0001 11-DEC-18
- 3 OCRVOTE_0000 /dev/asm-ocrvote01 CACHED NORMAL UNKNOWN 1024 715 OCRVOTE_0000 11-DEC-18
- 3 OCRVOTE_0001 /dev/asm-ocrvote02 CACHED NORMAL UNKNOWN 1024 715 OCRVOTE_0001 11-DEC-18
- 3 OCRVOTE_0002 /dev/asm-ocrvote03 CACHED NORMAL UNKNOWN 1024 716 OCRVOTE_0002 11-DEC-18
- SQL>
- --给磁盘组DATA添加磁盘
- SQL> alter diskgroup DATA add disk '/dev/asm-data05' rebalance power 5;
- SQL> alter diskgroup DATA add disk '/dev/asm-data06' rebalance power 5;
- 注:rebalance power的级别从1到11中选择一个数值;数值越大,rebalance速度越快,对现有运行系统影响也越大。需要根据当时业务权衡选择适合的级别;
- --监控磁盘组rebalance完成情况
- select * from v$asm_operation;
- --检查添加结果(本次实验有2块盘未添加)
- SQL> col name format a20
- SQL> set line 200
- SQL> col name format a20
- SQL> col path format a40
- SQL> select group_number,name,path,mount_status,state,redundancy,total_mb,free_mb,failgroup,create_date from v$asm_disk order by 1,2;
- GROUP_NUMBER NAME PATH MOUNT_S STATE REDUNDA TOTAL_MB FREE_MB FAILGROUP CREATE_DA
- ------------ -------------------- ---------------------------------------- ------- -------- ------- ---------- ---------- ------------------------------ ---------
- 0 /dev/asm-data08 CLOSED NORMAL UNKNOWN 0 0
- 0 /dev/asm-data06 CLOSED NORMAL UNKNOWN 0 0
- 0 /dev/asm-data07 CLOSED NORMAL UNKNOWN 0 0
- 1 DATA_0000 /dev/asm-data01 CACHED NORMAL UNKNOWN 1024 300 DATA_0000 11-DEC-18
- 1 DATA_0001 /dev/asm-data02 CACHED NORMAL UNKNOWN 1024 297 DATA_0001 11-DEC-18
- 1 DATA_0002 /dev/asm-data03 CACHED NORMAL UNKNOWN 1024 298 DATA_0002 11-DEC-18
- 1 DATA_0003 /dev/asm-data04 CACHED NORMAL UNKNOWN 1024 298 DATA_0003 11-DEC-18
- 1 DATA_0004 /dev/asm-data05 CACHED NORMAL UNKNOWN 1024 306 DATA_0004 13-DEC-18
- 2 FLASH_0000 /dev/asm-arch01 CACHED NORMAL UNKNOWN 1024 975 FLASH_0000 11-DEC-18
- 2 FLASH_0001 /dev/asm-arch02 CACHED NORMAL UNKNOWN 1024 976 FLASH_0001 11-DEC-18
- 3 OCRVOTE_0000 /dev/asm-ocrvote01 CACHED NORMAL UNKNOWN 1024 715 OCRVOTE_0000 11-DEC-18
- 3 OCRVOTE_0001 /dev/asm-ocrvote02 CACHED NORMAL UNKNOWN 1024 715 OCRVOTE_0001 11-DEC-18
- 3 OCRVOTE_0002 /dev/asm-ocrvote03 CACHED NORMAL UNKNOWN 1024 716 OCRVOTE_0002 11-DEC-18
- SQL>
- 9.启动数据库
- --启动数据库自启动服务(ora.racnode.db),否则无法用srvctl启动数据库
- [root@node1 bin]# ./srvctl enable database -d RacNode
- [root@node1 bin]#
- [grid@node2 ~]$ srvctl start database -d RacNode
- [grid@node2 ~]$ srvctl status database -d RacNode
- Instance RacNode1 is running on node node1
- Instance RacNode2 is running on node node2
- [grid@node2 ~]$
- 10.启动监听
- --启动监听自启动服务,否则无法用srvctl启动数据库
- [grid@node2 ~]$ srvctl enable listener -n node1
- [grid@node2 ~]$ srvctl enable listener -n node2
- [grid@node2 ~]$ srvctl start listener -n node1
- [grid@node2 ~]$ srvctl start listener -n node2
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