三、rman 資料庫遷移--從檔案系統到裸裝置 用dd複製控制檔案
三、從檔案系統遷移資料庫到lv裸裝置
用dd 命令複製控制檔案
1、建立對應的lv
引數檔案 spfile
控制檔案
日誌檔案
資料檔案
控制檔案
日誌檔案
資料檔案
[root@haozg /]# fdisk -l
Disk /dev/sda: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 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: 0x000ec9c9
255 heads, 63 sectors/track, 2610 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: 0x000ec9c9
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 2611 20458496 8e Linux LVM
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 2611 20458496 8e Linux LVM
Disk /dev/sdb: 536 MB, 536870912 bytes
64 heads, 32 sectors/track, 512 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: 0x5bbec611
64 heads, 32 sectors/track, 512 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: 0x5bbec611
Device Boot Start End Blocks Id System
/dev/sdb1 1 512 524272 5 Extended
/dev/sdb5 1 50 51168 83 Linux
/dev/sdb6 51 99 50160 83 Linux
/dev/sdb7 100 148 50160 83 Linux
/dev/sdb8 149 512 372720 83 Linux
/dev/sdb1 1 512 524272 5 Extended
/dev/sdb5 1 50 51168 83 Linux
/dev/sdb6 51 99 50160 83 Linux
/dev/sdb7 100 148 50160 83 Linux
/dev/sdb8 149 512 372720 83 Linux
Disk /dev/sdc: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 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
255 heads, 63 sectors/track, 391 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/sdc doesn't contain a valid partition table
Disk /dev/mapper/vg_haozg-lv_root: 18.8 GB, 18832424960 bytes
255 heads, 63 sectors/track, 2289 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
255 heads, 63 sectors/track, 2289 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_haozg-lv_root doesn't contain a valid partition table
Disk /dev/mapper/vg_haozg-lv_swap: 2113 MB, 2113929216 bytes
255 heads, 63 sectors/track, 257 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
255 heads, 63 sectors/track, 257 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_haozg-lv_swap doesn't contain a valid partition table
Disk /dev/mapper/vg01-lv_ocr10m: 12 MB, 12582912 bytes
255 heads, 63 sectors/track, 1 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
255 heads, 63 sectors/track, 1 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/vg01-lv_ocr10m doesn't contain a valid partition table
[root@haozg /]#
[root@haozg /]#
[root@haozg /]# fdisk /dev/sdc
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel with disk identifier 0x9206bfbf.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won't be recoverable.
[root@haozg /]#
[root@haozg /]#
[root@haozg /]# fdisk /dev/sdc
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel with disk identifier 0x9206bfbf.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won't be recoverable.
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
switch off the mode (command 'c') and change display units to
sectors (command 'u').
switch off the mode (command 'c') and change display units to
sectors (command 'u').
Command (m for help): m
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-391, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-391, default 391):
Using default value 391
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-391, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-391, default 391):
Using default value 391
Command (m for help): p
Disk /dev/sdc: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 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: 0x9206bfbf
255 heads, 63 sectors/track, 391 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: 0x9206bfbf
Device Boot Start End Blocks Id System
/dev/sdc1 1 391 3140676 83 Linux
/dev/sdc1 1 391 3140676 83 Linux
Command (m for help): w
The partition table has been altered!
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@haozg /]#
[root@haozg /]#
[root@haozg /]# fdisk -;
Syncing disks.
[root@haozg /]#
[root@haozg /]#
[root@haozg /]# fdisk -;
Unable to open -
[root@haozg /]# fdisk -l
[root@haozg /]# fdisk -l
Disk /dev/sda: 21.5 GB, 21474836480 bytes
255 heads, 63 sectors/track, 2610 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: 0x000ec9c9
255 heads, 63 sectors/track, 2610 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: 0x000ec9c9
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 2611 20458496 8e Linux LVM
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 2611 20458496 8e Linux LVM
Disk /dev/sdb: 536 MB, 536870912 bytes
64 heads, 32 sectors/track, 512 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: 0x5bbec611
64 heads, 32 sectors/track, 512 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: 0x5bbec611
Device Boot Start End Blocks Id System
/dev/sdb1 1 512 524272 5 Extended
/dev/sdb5 1 50 51168 83 Linux
/dev/sdb6 51 99 50160 83 Linux
/dev/sdb7 100 148 50160 83 Linux
/dev/sdb8 149 512 372720 83 Linux
/dev/sdb1 1 512 524272 5 Extended
/dev/sdb5 1 50 51168 83 Linux
/dev/sdb6 51 99 50160 83 Linux
/dev/sdb7 100 148 50160 83 Linux
/dev/sdb8 149 512 372720 83 Linux
Disk /dev/sdc: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 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: 0x9206bfbf
255 heads, 63 sectors/track, 391 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: 0x9206bfbf
Device Boot Start End Blocks Id System
/dev/sdc1 1 391 3140676 83 Linux
/dev/sdc1 1 391 3140676 83 Linux
Disk /dev/mapper/vg_haozg-lv_root: 18.8 GB, 18832424960 bytes
255 heads, 63 sectors/track, 2289 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
255 heads, 63 sectors/track, 2289 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_haozg-lv_root doesn't contain a valid partition table
Disk /dev/mapper/vg_haozg-lv_swap: 2113 MB, 2113929216 bytes
255 heads, 63 sectors/track, 257 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
255 heads, 63 sectors/track, 257 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_haozg-lv_swap doesn't contain a valid partition table
Disk /dev/mapper/vg01-lv_ocr10m: 12 MB, 12582912 bytes
255 heads, 63 sectors/track, 1 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
255 heads, 63 sectors/track, 1 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/vg01-lv_ocr10m doesn't contain a valid partition table
[root@haozg /]#
[root@haozg /]# pvcreate /dev/sdc1
Writing physical volume data to disk "/dev/sdc1"
Physical volume "/dev/sdc1" successfully created
[root@haozg /]# vgcreate oradata /dev/sdc1
Volume group "oradata" successfully created
[root@haozg /]# lvcreate -L 10m -n lv_spfile oradata
Rounding up size to full physical extent 12.00 MiB
Logical volume "lv_spfile" created
[root@haozg /]# lvcreate -L 20m -n lv_control1 oradata
Logical volume "lv_control1" created
[root@haozg /]# lvcreate -L 20m -n lv_control2 oradata
Logical volume "lv_control2" created
[root@haozg /]# lvcreate -L 100m -n lv_redo1 oradata
Logical volume "lv_redo1" created
[root@haozg /]# lvcreate -L 100m -n lv_redo2 oradata
Logical volume "lv_redo2" created
[root@haozg /]# lvcreate -L 100m -n lv_redo3 oradata
Logical volume "lv_redo3" created
[root@haozg /]# lv_create -L 1100m -n lv_system oradata
-bash: lv_create: command not found
[root@haozg /]# lvcreate -L 1100m -n lv_system oradata
Logical volume "lv_system" created
[root@haozg /]# lvcreate -L 30m -n lv_temp oradata
Rounding up size to full physical extent 32.00 MiB
Logical volume "lv_temp" created
[root@haozg /]# lvcreate -L 550m -n lv_sysaux oradata
Rounding up size to full physical extent 552.00 MiB
Logical volume "lv_sysaux" created
[root@haozg /]# lvcreate -L 320m -n lv_undo oradata
Logical volume "lv_undo" created
[root@haozg oradata]# lvcreate -L 700m -n lv_user oradata
Logical volume "lv_user" created
[root@haozg /]#
[root@haozg /]# pvcreate /dev/sdc1
Writing physical volume data to disk "/dev/sdc1"
Physical volume "/dev/sdc1" successfully created
[root@haozg /]# vgcreate oradata /dev/sdc1
Volume group "oradata" successfully created
[root@haozg /]# lvcreate -L 10m -n lv_spfile oradata
Rounding up size to full physical extent 12.00 MiB
Logical volume "lv_spfile" created
[root@haozg /]# lvcreate -L 20m -n lv_control1 oradata
Logical volume "lv_control1" created
[root@haozg /]# lvcreate -L 20m -n lv_control2 oradata
Logical volume "lv_control2" created
[root@haozg /]# lvcreate -L 100m -n lv_redo1 oradata
Logical volume "lv_redo1" created
[root@haozg /]# lvcreate -L 100m -n lv_redo2 oradata
Logical volume "lv_redo2" created
[root@haozg /]# lvcreate -L 100m -n lv_redo3 oradata
Logical volume "lv_redo3" created
[root@haozg /]# lv_create -L 1100m -n lv_system oradata
-bash: lv_create: command not found
[root@haozg /]# lvcreate -L 1100m -n lv_system oradata
Logical volume "lv_system" created
[root@haozg /]# lvcreate -L 30m -n lv_temp oradata
Rounding up size to full physical extent 32.00 MiB
Logical volume "lv_temp" created
[root@haozg /]# lvcreate -L 550m -n lv_sysaux oradata
Rounding up size to full physical extent 552.00 MiB
Logical volume "lv_sysaux" created
[root@haozg /]# lvcreate -L 320m -n lv_undo oradata
Logical volume "lv_undo" created
[root@haozg oradata]# lvcreate -L 700m -n lv_user oradata
Logical volume "lv_user" created
[root@haozg /]#
2、改變屬組
[root@haozg dev]# chown -R oracle:dba /dev/oradata
[root@haozg dev]# cd oradata
[root@haozg oradata]# ls -al
total 0
drwxr-xr-x. 2 oracle dba 240 May 19 14:47 .
drwxr-xr-x. 21 root root 4280 May 19 14:47 ..
lrwxrwxrwx. 1 oracle dba 7 May 19 14:38 lv_control1 -> ../dm-4
lrwxrwxrwx. 1 oracle dba 7 May 19 14:38 lv_control2 -> ../dm-5
lrwxrwxrwx. 1 oracle dba 7 May 19 14:40 lv_redo1 -> ../dm-6
lrwxrwxrwx. 1 oracle dba 7 May 19 14:41 lv_redo2 -> ../dm-7
lrwxrwxrwx. 1 oracle dba 7 May 19 14:41 lv_redo3 -> ../dm-8
lrwxrwxrwx. 1 oracle dba 7 May 19 14:37 lv_spfile -> ../dm-3
lrwxrwxrwx. 1 oracle dba 8 May 19 14:46 lv_sysaux -> ../dm-11
lrwxrwxrwx. 1 oracle dba 7 May 19 14:44 lv_system -> ../dm-9
lrwxrwxrwx. 1 oracle dba 8 May 19 14:45 lv_temp -> ../dm-10
lrwxrwxrwx. 1 oracle dba 8 May 19 14:47 lv_undo -> ../dm-12
[root@haozg oradata]#
[root@haozg dev]# cd oradata
[root@haozg oradata]# ls -al
total 0
drwxr-xr-x. 2 oracle dba 240 May 19 14:47 .
drwxr-xr-x. 21 root root 4280 May 19 14:47 ..
lrwxrwxrwx. 1 oracle dba 7 May 19 14:38 lv_control1 -> ../dm-4
lrwxrwxrwx. 1 oracle dba 7 May 19 14:38 lv_control2 -> ../dm-5
lrwxrwxrwx. 1 oracle dba 7 May 19 14:40 lv_redo1 -> ../dm-6
lrwxrwxrwx. 1 oracle dba 7 May 19 14:41 lv_redo2 -> ../dm-7
lrwxrwxrwx. 1 oracle dba 7 May 19 14:41 lv_redo3 -> ../dm-8
lrwxrwxrwx. 1 oracle dba 7 May 19 14:37 lv_spfile -> ../dm-3
lrwxrwxrwx. 1 oracle dba 8 May 19 14:46 lv_sysaux -> ../dm-11
lrwxrwxrwx. 1 oracle dba 7 May 19 14:44 lv_system -> ../dm-9
lrwxrwxrwx. 1 oracle dba 8 May 19 14:45 lv_temp -> ../dm-10
lrwxrwxrwx. 1 oracle dba 8 May 19 14:47 lv_undo -> ../dm-12
[root@haozg oradata]#
3、RHEL5中取消了rawdevices對映檔案，可以通過兩種方式開機載入裸裝置，一種是使用UDEV，另外一種是寫入rc.local指令碼，
本文使用rc.local指令碼的方式開機啟用裸裝置。
建立一個/etc/rc.raw指令碼內容如下：
[root@orcl ~]# vi /etc/rc.raw
/bin/raw /dev/raw/raw1 /dev/mapper/oradata-lv_control1
/bin/raw /dev/raw/raw2 /dev/mapper/oradata-lv_control2
/bin/raw /dev/raw/raw3 /dev/mapper/oradata-lv_redo1
/bin/raw /dev/raw/raw4 /dev/mapper/oradata-lv_redo2
/bin/raw /dev/raw/raw5 /dev/mapper/oradata-lv_redo3
/bin/raw /dev/raw/raw6 /dev/mapper/oradata-lv_spfile
/bin/raw /dev/raw/raw7 /dev/mapper/oradata-lv_sysaux
/bin/raw /dev/raw/raw8 /dev/mapper/oradata-lv_system
/bin/raw /dev/raw/raw9 /dev/mapper/oradata-lv_temp
/bin/raw /dev/raw/raw10 /dev/mapper/oradata-lv_undo
/bin/raw /dev/raw/raw11 /dev/mapper/oradata-lv_user
/bin/raw /dev/raw/raw12 /dev/mapper/oradata1-lv_user01
/bin/raw /dev/raw/raw1 /dev/mapper/oradata-lv_control1
/bin/raw /dev/raw/raw2 /dev/mapper/oradata-lv_control2
/bin/raw /dev/raw/raw3 /dev/mapper/oradata-lv_redo1
/bin/raw /dev/raw/raw4 /dev/mapper/oradata-lv_redo2
/bin/raw /dev/raw/raw5 /dev/mapper/oradata-lv_redo3
/bin/raw /dev/raw/raw6 /dev/mapper/oradata-lv_spfile
/bin/raw /dev/raw/raw7 /dev/mapper/oradata-lv_sysaux
/bin/raw /dev/raw/raw8 /dev/mapper/oradata-lv_system
/bin/raw /dev/raw/raw9 /dev/mapper/oradata-lv_temp
/bin/raw /dev/raw/raw10 /dev/mapper/oradata-lv_undo
/bin/raw /dev/raw/raw11 /dev/mapper/oradata-lv_user
/bin/raw /dev/raw/raw12 /dev/mapper/oradata1-lv_user01
/bin/chown oracle:oinstall /dev/mapper/oradata*
/bin/chown oracle:oinstall /dev/raw/*
/bin/chmod 660 /dev/raw/*
/bin/chown oracle:oinstall /dev/raw/*
/bin/chmod 660 /dev/raw/*
[root@haozg dev]# cd /etc
[root@haozg etc]# more rc.raw
/bin/raw /dev/raw/raw1 /dev/mapper/oradata-lv_control1
/bin/raw /dev/raw/raw2 /dev/mapper/oradata-lv_control2
/bin/raw /dev/raw/raw3 /dev/mapper/oradata-lv_redo1
/bin/raw /dev/raw/raw4 /dev/mapper/oradata-lv_redo2
/bin/raw /dev/raw/raw5 /dev/mapper/oradata-lv_redo3
/bin/raw /dev/raw/raw6 /dev/mapper/oradata-lv_spfile
/bin/raw /dev/raw/raw7 /dev/mapper/oradata-lv_sysaux
/bin/raw /dev/raw/raw8 /dev/mapper/oradata-lv_system
/bin/raw /dev/raw/raw9 /dev/mapper/oradata-lv_temp
/bin/raw /dev/raw/raw10 /dev/mapper/oradata-lv_undo
/bin/raw /dev/raw/raw11 /dev/mapper/oradata-lv_user
/bin/raw /dev/raw/raw12 /dev/mapper/oradata1-lv_user01
[root@haozg etc]# more rc.raw
/bin/raw /dev/raw/raw1 /dev/mapper/oradata-lv_control1
/bin/raw /dev/raw/raw2 /dev/mapper/oradata-lv_control2
/bin/raw /dev/raw/raw3 /dev/mapper/oradata-lv_redo1
/bin/raw /dev/raw/raw4 /dev/mapper/oradata-lv_redo2
/bin/raw /dev/raw/raw5 /dev/mapper/oradata-lv_redo3
/bin/raw /dev/raw/raw6 /dev/mapper/oradata-lv_spfile
/bin/raw /dev/raw/raw7 /dev/mapper/oradata-lv_sysaux
/bin/raw /dev/raw/raw8 /dev/mapper/oradata-lv_system
/bin/raw /dev/raw/raw9 /dev/mapper/oradata-lv_temp
/bin/raw /dev/raw/raw10 /dev/mapper/oradata-lv_undo
/bin/raw /dev/raw/raw11 /dev/mapper/oradata-lv_user
/bin/raw /dev/raw/raw12 /dev/mapper/oradata1-lv_user01
/bin/chown oracle:oinstall /dev/mapper/oradata*
/bin/chown oracle:oinstall /dev/raw/*
/bin/chmod 660 /dev/raw/*
[root@haozg etc]#
/bin/chown oracle:oinstall /dev/raw/*
/bin/chmod 660 /dev/raw/*
[root@haozg etc]#
重啟系統檢視raw
[root@haozg ~]# cd /dev/raw
[root@haozg raw]# ls -al
total 0
drwxr-xr-x. 2 root root 300 May 19 22:23 .
drwxr-xr-x. 22 root root 4400 May 19 22:23 ..
crw-rw----. 1 oracle oinstall 162, 1 May 19 22:23 raw1
crw-rw----. 1 oracle oinstall 162, 10 May 19 22:23 raw10
crw-rw----. 1 oracle oinstall 162, 11 May 19 22:23 raw11
crw-rw----. 1 oracle oinstall 162, 12 May 19 22:23 raw12
crw-rw----. 1 oracle oinstall 162, 2 May 19 22:23 raw2
crw-rw----. 1 oracle oinstall 162, 3 May 19 22:23 raw3
crw-rw----. 1 oracle oinstall 162, 4 May 19 22:23 raw4
crw-rw----. 1 oracle oinstall 162, 5 May 19 22:23 raw5
crw-rw----. 1 oracle oinstall 162, 6 May 19 22:23 raw6
crw-rw----. 1 oracle oinstall 162, 7 May 19 22:23 raw7
crw-rw----. 1 oracle oinstall 162, 8 May 19 22:23 raw8
crw-rw----. 1 oracle oinstall 162, 9 May 19 22:23 raw9
crw-rw----. 1 oracle oinstall 162, 0 May 19 22:22 rawctl
[root@haozg raw]# raw -qa
/dev/raw/raw1: bound to major 253, minor 4
/dev/raw/raw2: bound to major 253, minor 5
/dev/raw/raw3: bound to major 253, minor 6
/dev/raw/raw4: bound to major 253, minor 7
/dev/raw/raw5: bound to major 253, minor 8
/dev/raw/raw6: bound to major 253, minor 3
/dev/raw/raw7: bound to major 253, minor 11
/dev/raw/raw8: bound to major 253, minor 9
/dev/raw/raw9: bound to major 253, minor 10
/dev/raw/raw10: bound to major 253, minor 12
/dev/raw/raw11: bound to major 253, minor 13
/dev/raw/raw12: bound to major 253, minor 2
[root@haozg raw]#
[root@haozg raw]# ls -al
total 0
drwxr-xr-x. 2 root root 300 May 19 22:23 .
drwxr-xr-x. 22 root root 4400 May 19 22:23 ..
crw-rw----. 1 oracle oinstall 162, 1 May 19 22:23 raw1
crw-rw----. 1 oracle oinstall 162, 10 May 19 22:23 raw10
crw-rw----. 1 oracle oinstall 162, 11 May 19 22:23 raw11
crw-rw----. 1 oracle oinstall 162, 12 May 19 22:23 raw12
crw-rw----. 1 oracle oinstall 162, 2 May 19 22:23 raw2
crw-rw----. 1 oracle oinstall 162, 3 May 19 22:23 raw3
crw-rw----. 1 oracle oinstall 162, 4 May 19 22:23 raw4
crw-rw----. 1 oracle oinstall 162, 5 May 19 22:23 raw5
crw-rw----. 1 oracle oinstall 162, 6 May 19 22:23 raw6
crw-rw----. 1 oracle oinstall 162, 7 May 19 22:23 raw7
crw-rw----. 1 oracle oinstall 162, 8 May 19 22:23 raw8
crw-rw----. 1 oracle oinstall 162, 9 May 19 22:23 raw9
crw-rw----. 1 oracle oinstall 162, 0 May 19 22:22 rawctl
[root@haozg raw]# raw -qa
/dev/raw/raw1: bound to major 253, minor 4
/dev/raw/raw2: bound to major 253, minor 5
/dev/raw/raw3: bound to major 253, minor 6
/dev/raw/raw4: bound to major 253, minor 7
/dev/raw/raw5: bound to major 253, minor 8
/dev/raw/raw6: bound to major 253, minor 3
/dev/raw/raw7: bound to major 253, minor 11
/dev/raw/raw8: bound to major 253, minor 9
/dev/raw/raw9: bound to major 253, minor 10
/dev/raw/raw10: bound to major 253, minor 12
/dev/raw/raw11: bound to major 253, minor 13
/dev/raw/raw12: bound to major 253, minor 2
[root@haozg raw]#
----建立快鍵方式
ln -s /dev/raw/raw1 /u01/app/rawdevice/control1
ln -s /dev/raw/raw2 /u01/app/rawdevice/control2
ln -s /dev/raw/raw3 /u01/app/rawdevice/redo1
ln -s /dev/raw/raw4 /u01/app/rawdevice/redo2
ln -s /dev/raw/raw5 /u01/app/rawdevice/redo3
ln -s /dev/raw/raw6 /u01/app/rawdevice/spfile
ln -s /dev/raw/raw7 /u01/app/rawdevice/sysaux
ln -s /dev/raw/raw8 /u01/app/rawdevice/system
ln -s /dev/raw/raw9 /u01/app/rawdevice/temp
ln -s /dev/raw/raw10 /u01/app/rawdevice/undo
ln -s /dev/raw/raw11 /u01/app/rawdevice/user
ln -s /dev/raw/raw12 /u01/app/rawdevice/user01
4、 在rman下從檔案系統複製資料檔案到raw裝置，在mount狀態下
---複製資料檔案
copy datafile '/u01/app/oradata/system01.dbf' to '/u01/app/rawdevice/system';
copy datafile '/u01/app/oradata/undo01.dbf' to '/u01/app/rawdevice/undo';
copy datafile '/u01/app/oradata/sysaux01.dbf' to '/u01/app/rawdevice/sysaux';
copy datafile '/u01/app/oradata/user01.dbf' to '/u01/app/rawdevice/user01';
--具體操作過程如下：
[oracle@haozg ~]$ rman target /
[oracle@haozg ~]$ rman target /
Recovery Manager: Release 11.2.0.1.0 - Production on Sat May 19 21:36:00 2012
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
connected to target database: ORA11G (DBID=4179426506, not open)
RMAN> copy datafile '/u01/app/oradata/system01.dbf' to '/u01/app/rawdevice/system';
Starting backup at 19-MAY-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=21 device type=DISK
channel ORA_DISK_1: starting datafile copy
input datafile file number=00001 name=/u01/app/oradata/system01.dbf
output file name=/u01/app/rawdevice/system tag=TAG20120519T213608 RECID=1 STAMP=783725841
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:15
Finished backup at 19-MAY-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=21 device type=DISK
channel ORA_DISK_1: starting datafile copy
input datafile file number=00001 name=/u01/app/oradata/system01.dbf
output file name=/u01/app/rawdevice/system tag=TAG20120519T213608 RECID=1 STAMP=783725841
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:15
Finished backup at 19-MAY-12
RMAN> copy datafile '/u01/app/oradata/undo01.dbf' to '/u01/app/rawdevice/undo';
Starting backup at 19-MAY-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number=00003 name=/u01/app/oradata/undo01.dbf
output file name=/u01/app/rawdevice/undo tag=TAG20120519T213901 RECID=2 STAMP=783725955
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15
Finished backup at 19-MAY-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number=00003 name=/u01/app/oradata/undo01.dbf
output file name=/u01/app/rawdevice/undo tag=TAG20120519T213901 RECID=2 STAMP=783725955
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15
Finished backup at 19-MAY-12
RMAN> copy datafile '/u01/app/oradata/sysaux01.dbf' to '/u01/app/rawdevice/sysaux';
Starting backup at 19-MAY-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number=00002 name=/u01/app/oradata/sysaux01.dbf
output file name=/u01/app/rawdevice/sysaux tag=TAG20120519T214125 RECID=3 STAMP=783726113
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:36
Finished backup at 19-MAY-12
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number=00002 name=/u01/app/oradata/sysaux01.dbf
output file name=/u01/app/rawdevice/sysaux tag=TAG20120519T214125 RECID=3 STAMP=783726113
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:36
Finished backup at 19-MAY-12
RMAN>
RMAN> copy datafile '/u01/app/oradata/user01.dbf' to '/u01/app/rawdevice/user01';
Starting backup at 19-MAY-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
channel ORA_DISK_1: starting datafile copy
input datafile file number=00004 name=/u01/app/oradata/user01.dbf
output file name=/u01/app/rawdevice/user01 tag=TAG20120519T223532 RECID=4 STAMP=783729380
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:55
Finished backup at 19-MAY-12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
channel ORA_DISK_1: starting datafile copy
input datafile file number=00004 name=/u01/app/oradata/user01.dbf
output file name=/u01/app/rawdevice/user01 tag=TAG20120519T223532 RECID=4 STAMP=783729380
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:55
Finished backup at 19-MAY-12
RMAN>
5、修改資料檔案在控制檔案中的路徑 在sqlplus下操作, 資料在mount狀態下
alter database rename file '/u01/app/oradata/system01.dbf' to '/u01/app/rawdevice/system';
alter database rename file '/u01/app/oradata/sysaux01.dbf' to '/u01/app/rawdevice/sysaux';
alter database rename file '/u01/app/oradata/undo01.dbf' to '/u01/app/rawdevice/undo';
alter database rename file '/u01/app/oradata/user01.dbf' to '/u01/app/rawdevice/user01';
---具體操作過程如下：
下面的命令立刻生效
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 146472960 bytes
Fixed Size 1335080 bytes
Variable Size 92274904 bytes
Database Buffers 50331648 bytes
Redo Buffers 2531328 bytes
Database mounted.
SQL> alter database rename file '/u01/app/oradata/system01.dbf' to '/u01/app/rawdevice/system';
Fixed Size 1335080 bytes
Variable Size 92274904 bytes
Database Buffers 50331648 bytes
Redo Buffers 2531328 bytes
Database mounted.
SQL> alter database rename file '/u01/app/oradata/system01.dbf' to '/u01/app/rawdevice/system';
Database altered.
SQL> alter database rename file '/u01/app/oradata/sysaux01.dbf' to '/u01/app/rawdevice/sysaux';
Database altered.
SQL> alter database rename file '/u01/app/oradata/undo01.dbf' to '/u01/app/rawdevice/undo';
Database altered.
SQL> alter database rename file '/u01/app/oradata/user01.dbf' to '/u01/app/rawdevice/user01';
Database altered.
---************************截止到此時能開啟資料庫嗎？*************************************
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/u01/app/rawdevice/system
/u01/app/rawdevice/sysaux
/u01/app/rawdevice/undo
/u01/app/rawdevice/user01
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/u01/app/rawdevice/system
/u01/app/rawdevice/sysaux
/u01/app/rawdevice/undo
/u01/app/rawdevice/user01
SQL>
6、在sqlplus 下把檔案系統的日誌檔案改到裸裝置上，修改日誌檔案在控制檔案的路徑。
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 INACTIVE
3 CURRENT
2 INACTIVE
---------- ----------------
1 INACTIVE
3 CURRENT
2 INACTIVE
SQL>
alter database drop logfile group 2;
Alter database add logfile group 2 ('/u01/app/rawdevice/redo2') size 80m;
alter database drop logfile group 1;
Alter database add logfile group 1 ('/u01/app/rawdevice/redo1') size 80m;
alter database drop logfile group 3;
Alter database add logfile group 3 ('/u01/app/rawdevice/redo3') size 80m;
具體過程如下：
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 INACTIVE
3 CURRENT
2 INACTIVE
---------- ----------------
1 INACTIVE
3 CURRENT
2 INACTIVE
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 INACTIVE
3 CURRENT
2 INACTIVE
---------- ----------------
1 INACTIVE
3 CURRENT
2 INACTIVE
SQL> alter database drop logfile group 2;
Database altered.
SQL> Alter database add logfile group 2 ('/u01/app/rawdevice/redo2')size 80m;
Database altered.
SQL> alter database open;
Database altered.
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 INACTIVE
2 CURRENT
3 INACTIVE
---------- ----------------
1 INACTIVE
2 CURRENT
3 INACTIVE
SQL> select * from v$logfiles;
select * from v$logfiles
*
ERROR at line 1:
ORA-00942: table or view does not exist
select * from v$logfiles
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL> select * from v$logfile;
GROUP# STATUS TYPE
---------- ------- -------
MEMBER
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
IS_
---
1 ONLINE
/u01/app/oradata/log01.dbf
NO
---------- ------- -------
MEMBER
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
IS_
---
1 ONLINE
/u01/app/oradata/log01.dbf
NO
2 ONLINE
/u01/app/rawdevice/redo2
NO
/u01/app/rawdevice/redo2
NO
3 ONLINE
/u01/app/oradata/log03.dbf
NO
/u01/app/oradata/log03.dbf
NO
SQL> alter database drop logfile group 1;
Database altered.
SQL> select * from v$logfile;
GROUP# STATUS TYPE
---------- ------- -------
MEMBER
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
IS_
---
2 ONLINE
/u01/app/rawdevice/redo2
NO
---------- ------- -------
MEMBER
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
IS_
---
2 ONLINE
/u01/app/rawdevice/redo2
NO
3 ONLINE
/u01/app/oradata/log03.dbf
NO
/u01/app/oradata/log03.dbf
NO
SQL> Alter database add logfile group 1 ('/u01/app/rawdevice/redo1') size 80m;
Database altered.
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 UNUSED
2 CURRENT
3 INACTIVE
---------- ----------------
1 UNUSED
2 CURRENT
3 INACTIVE
SQL> alter system switch logfile;
System altered.
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 CURRENT
2 ACTIVE
3 INACTIVE
---------- ----------------
1 CURRENT
2 ACTIVE
3 INACTIVE
SQL> alter database drop logfile group 3;
Database altered.
SQL> Alter database add logfile group 3 ('/u01/app/rawdevice/redo3')size 80m;
Database altered.
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 CURRENT
2 ACTIVE
3 UNUSED
---------- ----------------
1 CURRENT
2 ACTIVE
3 UNUSED
SQL> alter system switch lofile;
alter system switch lofile
*
ERROR at line 1:
ORA-01900: LOGFILE keyword expected
alter system switch lofile
*
ERROR at line 1:
ORA-01900: LOGFILE keyword expected
SQL> alter system switch logfile;
System altered.
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 ACTIVE
2 ACTIVE
3 CURRENT
---------- ----------------
1 ACTIVE
2 ACTIVE
3 CURRENT
SQL> select member from v$logfile;
MEMBER
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/u01/app/rawdevice/redo1
/u01/app/rawdevice/redo2
/u01/app/rawdevice/redo3
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/u01/app/rawdevice/redo1
/u01/app/rawdevice/redo2
/u01/app/rawdevice/redo3
SQL>
原則是保持始終有兩個日誌可以切換，刪掉inactive狀態的日誌組，然後切換，把unused狀態的日誌改為active狀態。
最後發出checkpoint。保持所有日誌scn一致。
SQL> alter system checkpoint;
System altered.
7、修改spfile到raw裝置上來
create pfile='/u01/app/newpfile2.ora' from spfile;
create spfile='/u01/app/rawdevice/spfile' from pfile='/u01/app/newpfile2.ora';
create spfile='/u01/app/rawdevice/spfile' from pfile='/u01/app/newpfile2.ora';
--具體操作過程如下
SQL> select status from v$instance;
SQL> select status from v$instance;
STATUS
------------
MOUNTED
------------
MOUNTED
SQL>
SQL> create pfile='/u01/app/newpfile.ora' from spfile;
SQL> create pfile='/u01/app/newpfile.ora' from spfile;
File created.
SQL> create spfile='/u01/app/rawdevice/spfile' from pfile='/u01/app/newpfile.ora';
File created.
SQL>
8、使用新的spfile檔案，修改initsid.ora 檔案指向新的spfile檔案
[oracle@haozg dbs]$ mv initora11g.ora initora11g.ora.bak
[oracle@haozg dbs]$ mv spfileora11g.ora spfileora11g.ora.bak
[oracle@haozg dbs]$ mv spfileora11g.ora spfileora11g.ora.bak
[oracle@haozg dbs]$ vi initora11g.ora
spfile='/u01/app/rawdevice/spfile'
spfile='/u01/app/rawdevice/spfile'
[oracle@haozg dbs]$ more initora11g.ora
spfile='/u01/app/rawdevice/spfile'
然後刪掉原來的spfile檔案，否則還會找原來的spfile檔案，現在要通過initora11g檔案來找裸裝置上的spfile檔案
--刪掉原來的spfile檔案
[oracle@haozg dbs]$ rm -rf spfileora11g.ora
9、用dd在關閉資料庫的情況下複製控制控制檔案到裸裝置
[oracle@haozg dbs]$ dd if=/u01/app/oradata/control1.ctl f=/u01/app/rawdevice/control1
19040+0 records in
19040+0 records out
9748480 bytes (9.7 MB) copied, 4.74062 s, 2.1 MB/s
[oracle@haozg dbs]$
[oracle@haozg dbs]$
[oracle@haozg dbs]$
[oracle@haozg dbs]$ dd if=/u01/app/oradata/control2.ctl f=/u01/app/rawdevice/control2
19040+0 records in
19040+0 records out
9748480 bytes (9.7 MB) copied, 4.56659 s, 2.1 MB/s
19040+0 records in
19040+0 records out
9748480 bytes (9.7 MB) copied, 4.74062 s, 2.1 MB/s
[oracle@haozg dbs]$
[oracle@haozg dbs]$
[oracle@haozg dbs]$
[oracle@haozg dbs]$ dd if=/u01/app/oradata/control2.ctl f=/u01/app/rawdevice/control2
19040+0 records in
19040+0 records out
9748480 bytes (9.7 MB) copied, 4.56659 s, 2.1 MB/s
---在nomount狀態下，修改控制檔案的位置。
SQL> startup nomount
ORACLE instance started.
ORACLE instance started.
Total System Global Area 146472960 bytes
Fixed Size 1335080 bytes
Variable Size 92274904 bytes
Database Buffers 50331648 bytes
Redo Buffers 2531328 bytes
SQL> alter system set control_files='/u01/app/rawdevice/control1', '/u01/app/rawdevice/control2' scope=spfile;
Fixed Size 1335080 bytes
Variable Size 92274904 bytes
Database Buffers 50331648 bytes
Redo Buffers 2531328 bytes
SQL> alter system set control_files='/u01/app/rawdevice/control1', '/u01/app/rawdevice/control2' scope=spfile;
System altered.
SQL> shutdown immediate;
ORA-01507: database not mounted
ORA-01507: database not mounted
ORACLE instance shut down.
SQL>
SQL>
SQL> startup
ORACLE instance started.
Total System Global Area 146472960 bytes
Fixed Size 1335080 bytes
Variable Size 92274904 bytes
Database Buffers 50331648 bytes
Redo Buffers 2531328 bytes
Database mounted.
Database opened.
SQL>
Fixed Size 1335080 bytes
Variable Size 92274904 bytes
Database Buffers 50331648 bytes
Redo Buffers 2531328 bytes
Database mounted.
Database opened.
SQL>
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/7755871/viewspace-776380/，如需轉載，請註明出處，否則將追究法律責任。
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