Oracle 11.2.0.4 x64 RAC扩展存储空间
1. 数据库信息
操作系统版本 : OEL6.5 x64
数据库版本 : Oracle 11.2.0.4 x64 RAC
本文针对oracle 11.2.0.4 x64 RAC for OEL6.5上添加存一块存储磁盘,并入原ASM卷组用于扩展存储空间。详细修改过程如下。
2. 添加存储磁盘
给两节点node1,node2 10GB磁盘空间,添加过程略。确认两节点磁盘识别。
[root@node1 ~]# fdisk -l
Disk /dev/sda: 32.2 GB, 32212254720 bytes
255 heads, 63 sectors/track, 3916 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0008c7f6
Device Boot Start End Blocks Id System
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 3917 30944256 8e Linux LVM
Disk /dev/mapper/vg_node1-LogVol01: 27.4 GB, 27388805120 bytes
255 heads, 63 sectors/track, 3329 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/vg_node1-swap: 4294 MB, 4294967296 bytes
255 heads, 63 sectors/track, 522 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdb: 2147 MB, 2147483648 bytes
67 heads, 62 sectors/track, 1009 cylinders
Units = cylinders of 4154 * 512 = 2126848 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdc: 2147 MB, 2147483648 bytes
67 heads, 62 sectors/track, 1009 cylinders
Units = cylinders of 4154 * 512 = 2126848 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdd: 2147 MB, 2147483648 bytes
67 heads, 62 sectors/track, 1009 cylinders
Units = cylinders of 4154 * 512 = 2126848 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sde: 2147 MB, 2147483648 bytes
67 heads, 62 sectors/track, 1009 cylinders
Units = cylinders of 4154 * 512 = 2126848 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdf: 2147 MB, 2147483648 bytes
67 heads, 62 sectors/track, 1009 cylinders
Units = cylinders of 4154 * 512 = 2126848 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdg: 21.5 GB, 21474836480 bytes
64 heads, 32 sectors/track, 20480 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdh: 21.5 GB, 21474836480 bytes
64 heads, 32 sectors/track, 20480 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdj: 10.7 GB, 10737418240 bytes
64 heads, 32 sectors/track, 10240 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sdi: 21.5 GB, 21474836480 bytes
64 heads, 32 sectors/track, 20480 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
[root@node1 ~]#
3. udev识别出新增加的磁盘
(1) udev设备生成脚本,用于识别出新增加的脚本
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for i in b c d e f g h i j;
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/$name" , RESULT=="14f504e46494c4552395a55706766
2d52366a5a2d684a5445 ", NAME=" asm-diskj ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c45523768705a5241
2d46576d6a2d6a424f52 ", NAME=" asm-diskb ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c45524944414b6731
2d7433474f2d4c424553 ", NAME=" asm-diskc ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c4552496b55307865
2d306747442d64755064 ", NAME=" asm-diskd ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c4552564759334841
2d69635a682d784f6e57 ", NAME=" asm-diske ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c45523647627a3946
2d494d4c472d4b687276 ", NAME=" asm-diskf ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c4552756354627076
2d426a4c5a2d64753163 ", NAME=" asm-diskg ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c4552436b35585371
2d324e646c2d75386f45 ", NAME=" asm-diskh ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c4552577651593537
2d6b644c592d6c326c39 ", NAME=" asm-diski ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
KERNEL== "sd*" , BUS== "scsi" , PROGRAM== "/sbin/scsi_id --whitelisted --replace-whitespace --device=/dev/$name" , RESULT=="14f504e46494c4552395a55706766
2d52366a5a2d684a5445 ", NAME=" asm-diskj ", OWNER=" grid ", GROUP=" asmadmin ", MODE=" 0660 "
|
(2) 将以上内容asm-diskj一行增加到以下文件中,在node1,node2上同时增加。
# vi /etc/udev/rules.d/99-oracle-asmdevices.rules
4. 查看并添加集群ASM磁盘卷组
(1) 查看卷组情况
[root@node1 ~]# su - grid
[grid@node1 ~]$ sqlplus / as sysasm
SQL> set pagesize 999;
SQL> set linesize 200;
SQL> col name format a20;
SQL> select group_number,name,TOTAL_MB, FREE_MB from v$asm_diskgroup;
(2) node1上查看udev设备,并查看新增加的磁盘被识别到了没有。两边都需要确认。
SQL> col name format a20;
SQL> col path format a20;
SQL> select name,path,mode_status,state,disk_number,failgroup from v$asm_disk;
(3) node2上查看udev设备,并查看新增加的磁盘被识别到了没有.
(4) 增加新的磁盘到DATA asm卷组。
SQL>
SQL> alter diskgroup DATA add disk '/dev/asm-diskj' rebalance power 1;
Diskgroup altered.
SQL>
(5) 查看ASM卷组平衡过程,平衡完后,该内容为空。
(6) 确认磁盘添加情况
SQL> select name,path,mode_status,state,disk_number,failgroup from v$asm_disk;
NAME PATH MODE_STATUS STATE DISK_NUMBER FAILGROUP
-------------------- -------------------- --------------------- ------------------------ ----------- --------------
CRS_0003 /dev/asm-diske ONLINE NORMAL 3 CRS_0003
RECOVERY_0000 /dev/asm-diski ONLINE NORMAL 0 RECOVERY_0000
CRS_0000 /dev/asm-diskb ONLINE NORMAL 0 CRS_0000
CRS_0004 /dev/asm-diskf ONLINE NORMAL 4 CRS_0004
CRS_0002 /dev/asm-diskd ONLINE NORMAL 2 CRS_0002
CRS_0001 /dev/asm-diskc ONLINE NORMAL 1 CRS_0001
DATA_0001 /dev/asm-diskh ONLINE NORMAL 1 DATA_0001
DATA_0000 /dev/asm-diskg ONLINE NORMAL 0 DATA_0000
DATA_0002 /dev/asm-diskj ONLINE NORMAL 2 DATA_0002
磁盘容量有增加
5. 查看集群添加后磁盘状态
发现两节点监点不正常,下面正常启动一下。
通过crs_stat查看监听全名称,通过下面的方式重启。
集群正常。
本文转自 koumm 51CTO博客,原文链接:http://blog.51cto.com/koumm/1353927,如需转载请自行联系原作者
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