Drop ASM DISKGROUP and RAW Partitions and Re create partions

[root@srv1 bin]# oracleasm listdisks
CRS1
CRS2
CRS3
DATA1
DATA2
FRA1
FRA2
[root@srv1 bin]# oracleasm listdis
oracleasm: 'listdis' is not an oracleasm command
Usage: oracleasm [--exec-path=<exec_path>] <command> [ <args> ]
       oracleasm --exec-path
       oracleasm -h
       oracleasm -V

The basic oracleasm commands are:
    configure        Configure the Oracle Linux ASMLib driver
    init             Load and initialize the ASMLib driver
    exit             Stop the ASMLib driver
    scandisks        Scan the system for Oracle ASMLib disks
    status           Display the status of the Oracle ASMLib driver
    listdisks        List known Oracle ASMLib disks
    querydisk        Determine if a disk belongs to Oracle ASMlib
    createdisk       Allocate a device for Oracle ASMLib use
    deletedisk       Return a device to the operating system
    renamedisk       Change the label of an Oracle ASMlib disk
    update-driver    Download the latest ASMLib driver
[root@srv1 bin]# oracleasm deletedisk CRS1
Clearing disk header: done
Dropping disk: done
[root@srv1 bin]# oracleasm deletedisk CRS2
Clearing disk header: done
Dropping disk: done
[root@srv1 bin]# oracleasm deletedisk CRS3
Clearing disk header: done
Dropping disk: done
[root@srv1 bin]# oracleasm deletedisk DATA1
Clearing disk header: done
Dropping disk: done
[root@srv1 bin]# oracleasm deletedisk DATA2
Clearing disk header: done
Dropping disk: done
[root@srv1 bin]# oracleasm deletedisk FRA1
Clearing disk header: done
Dropping disk: done
[root@srv1 bin]# oracleasm deletedisk FRA2
Clearing disk header: done
Dropping disk: done
[root@srv1 bin]# ls -ltr
total 0
[root@srv1 bin]# oracleasm listdisks
[root@srv1 bin]# oracleasm scandisks
Reloading disk partitions: done
Cleaning any stale ASM disks...
Scanning system for ASM disks...
[root@srv1 bin]# fdisk -l

Disk /dev/sda: 64.4 GB, 64424509440 bytes
255 heads, 63 sectors/track, 7832 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: 0x000513aa

   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        7833    62401536   8e  Linux LVM

Disk /dev/sdb: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 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: 0x15451787

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1        1305    10482381   83  Linux

Disk /dev/sdc: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 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: 0xf6963cd6

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1               1        1305    10482381   83  Linux

Disk /dev/sdd: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 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: 0x0c4dbca0

   Device Boot      Start         End      Blocks   Id  System
/dev/sdd1               1        1305    10482381   83  Linux

Disk /dev/sde: 16.1 GB, 16106127360 bytes
255 heads, 63 sectors/track, 1958 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: 0xc0c03d86

   Device Boot      Start         End      Blocks   Id  System
/dev/sde1               1        1958    15727603+  83  Linux

Disk /dev/sdf: 16.1 GB, 16106127360 bytes
255 heads, 63 sectors/track, 1958 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: 0x1d31fcab

   Device Boot      Start         End      Blocks   Id  System
/dev/sdf1               1        1958    15727603+  83  Linux

Disk /dev/sdg: 16.1 GB, 16106127360 bytes
255 heads, 63 sectors/track, 1958 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: 0xb47d192e

   Device Boot      Start         End      Blocks   Id  System
/dev/sdg1               1        1958    15727603+  83  Linux

Disk /dev/sdh: 16.1 GB, 16106127360 bytes
255 heads, 63 sectors/track, 1958 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: 0xcd8530bd

   Device Boot      Start         End      Blocks   Id  System
/dev/sdh1               1        1958    15727603+  83  Linux

Disk /dev/mapper/vg_srv1-lv_root: 52.5 GB, 52495908864 bytes
255 heads, 63 sectors/track, 6382 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_srv1-lv_swap: 6274 MB, 6274678784 bytes
255 heads, 63 sectors/track, 762 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_srv1-lv_home: 5125 MB, 5125439488 bytes
255 heads, 63 sectors/track, 623 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

#################################################################################
[root@srv1 bin]# fdisk /dev/sdc

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').

Command (m for help): d
Selected partition 1

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.
[root@srv1 bin]#

[root@srv1 bin]# fdisk /dev/sdd

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').

Command (m for help): d

Selected partition 1

Command (m for help): 1

1: unknown command

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): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]#

[root@srv1 bin]# fdisk /dev/sde

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').

Command (m for help): d

Selected partition 1

Command (m for help): 1

1: unknown command

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): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sdf

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').

Command (m for help): d

Selected partition 1

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sdg

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').

Command (m for help): d

Selected partition 1

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sdh

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').

Command (m for help):

Command (m for help):

Command (m for help):

Command (m for help): d

Selected partition 1

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]#

#################################################################################

[root@srv1 bin]# dd if=/dev/zero of=/dev/sdb1 bs=1024 count=100
100+0 records in
100+0 records out
102400 bytes (102 kB) copied, 0.00301702 s, 33.9 MB/s
[root@srv1 bin]# dd if=/dev/zero of=/dev/sdc1 bs=1024 count=100
100+0 records in
100+0 records out
102400 bytes (102 kB) copied, 0.00180986 s, 56.6 MB/s
[root@srv1 bin]# dd if=/dev/zero of=/dev/sdd1 bs=1024 count=100
100+0 records in
100+0 records out
102400 bytes (102 kB) copied, 0.00186649 s, 54.9 MB/s
[root@srv1 bin]# dd if=/dev/zero of=/dev/sde1 bs=1024 count=100
100+0 records in
100+0 records out
102400 bytes (102 kB) copied, 0.00353268 s, 29.0 MB/s
[root@srv1 bin]# dd if=/dev/zero of=/dev/sdf1 bs=1024 count=100
100+0 records in
100+0 records out
102400 bytes (102 kB) copied, 0.00200719 s, 51.0 MB/s
[root@srv1 bin]# dd if=/dev/zero of=/dev/sdg1 bs=1024 count=100
100+0 records in
100+0 records out
102400 bytes (102 kB) copied, 0.00218414 s, 46.9 MB/s
[root@srv1 bin]# dd if=/dev/zero of=/dev/sdh1 bs=1024 count=100
100+0 records in
100+0 records out
102400 bytes (102 kB) copied, 0.00203797 s, 50.2 MB/s
[root@srv1 bin]#

##################################################################

[root@srv1 bin]# fdisk /dev/sdb

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').

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-1305, default 1):

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-1305, default 1305):

Using default value 1305

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sdc

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').

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-1305, default 1):

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-1305, default 1305):

Using default value 1305

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sdd

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').

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-1305, default 1):

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-1305, default 1305):

Using default value 1305

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sde

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').

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-1958, default 1):

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-1958, default 1958):

Using default value 1958

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sdf

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').

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-1958, default 1):

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-1958, default 1958):

Using default value 1958

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sdg

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').

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4):

Value out of range.

Partition number (1-4):

Value out of range.

Partition number (1-4): 1

First cylinder (1-1958, default 1):

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-1958, default 1958):

Using default value 1958

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk /dev/sdh

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').

Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)

p

Partition number (1-4): 1

First cylinder (1-1958, default 1):

Using default value 1

Last cylinder, +cylinders or +size{K,M,G} (1-1958, default 1958):

Using default value 1958

Command (m for help): w

The partition table has been altered!

Calling ioctl() to re-read partition table.

Syncing disks.

[root@srv1 bin]# fdisk -l

Disk /dev/sda: 64.4 GB, 64424509440 bytes

255 heads, 63 sectors/track, 7832 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: 0x000513aa

   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        7833    62401536   8e  Linux LVM

Disk /dev/sdb: 10.7 GB, 10737418240 bytes

255 heads, 63 sectors/track, 1305 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: 0x15451787

   Device Boot      Start         End      Blocks   Id  System

/dev/sdb1               1        1305    10482381   83  Linux

Disk /dev/sdc: 10.7 GB, 10737418240 bytes

255 heads, 63 sectors/track, 1305 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: 0xf6963cd6

   Device Boot      Start         End      Blocks   Id  System

/dev/sdc1               1        1305    10482381   83  Linux

Disk /dev/sdd: 10.7 GB, 10737418240 bytes

255 heads, 63 sectors/track, 1305 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: 0x0c4dbca0

   Device Boot      Start         End      Blocks   Id  System

/dev/sdd1               1        1305    10482381   83  Linux

Disk /dev/sde: 16.1 GB, 16106127360 bytes

255 heads, 63 sectors/track, 1958 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: 0xc0c03d86

   Device Boot      Start         End      Blocks   Id  System

/dev/sde1               1        1958    15727603+  83  Linux

Disk /dev/sdf: 16.1 GB, 16106127360 bytes

255 heads, 63 sectors/track, 1958 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: 0x1d31fcab

   Device Boot      Start         End      Blocks   Id  System

/dev/sdf1               1        1958    15727603+  83  Linux

Disk /dev/sdg: 16.1 GB, 16106127360 bytes

255 heads, 63 sectors/track, 1958 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: 0xb47d192e

   Device Boot      Start         End      Blocks   Id  System

/dev/sdg1               1        1958    15727603+  83  Linux

Disk /dev/sdh: 16.1 GB, 16106127360 bytes

255 heads, 63 sectors/track, 1958 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: 0xcd8530bd

   Device Boot      Start         End      Blocks   Id  System

/dev/sdh1               1        1958    15727603+  83  Linux

Disk /dev/mapper/vg_srv1-lv_root: 52.5 GB, 52495908864 bytes

255 heads, 63 sectors/track, 6382 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_srv1-lv_swap: 6274 MB, 6274678784 bytes

255 heads, 63 sectors/track, 762 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_srv1-lv_home: 5125 MB, 5125439488 bytes

255 heads, 63 sectors/track, 623 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

[root@srv1 bin]#