Prepare some virtual disks

EDIT 2014 Jun 11: 12c is more angry. Use at least 1GB file size. esp

The storage cell software installed and some disks must be created.

Shutdown the machine and with VirtualBox Settings create all the disks: 12 with size 500M (data) and 6 with size 400M (flash)

createVboxDisk1

Choose create a new one, dynamical

createVboxDisk2

with size 500MB.

createVboxDisk3

Repeat 17 more times…  and restart the VM

After storage cell software install some changes in gnome environment produce this strange behaviour

nologin

Calm down, is just a profile problem. Switch to failsafe session

filesafe

and log again in an xterm

xterm

and edit /etc/bashrc

[root@stocell1]# vi /etc/bashrc

…..

export DISPLAY=:0

Save, exit and login again.

Now identify disks

[root@stocell1 ~]# fdisk -l 2>/dev/null |grep “B,”
Disk /dev/sda: 26.8 GB, 26843545600 bytes
Disk /dev/sdb: 524 MB, 524288000 bytes
Disk /dev/sdc: 524 MB, 524288000 bytes
Disk /dev/sdd: 524 MB, 524288000 bytes
Disk /dev/sde: 524 MB, 524288000 bytes
Disk /dev/sdf: 524 MB, 524288000 bytes
Disk /dev/sdg: 524 MB, 524288000 bytes
Disk /dev/sdh: 524 MB, 524288000 bytes
Disk /dev/sdi: 524 MB, 524288000 bytes
Disk /dev/sdj: 524 MB, 524288000 bytes
Disk /dev/sdk: 524 MB, 524288000 bytes
Disk /dev/sdl: 524 MB, 524288000 bytes
Disk /dev/sdm: 524 MB, 524288000 bytes
Disk /dev/sdn: 419 MB, 419430400 bytes
Disk /dev/sdo: 419 MB, 419430400 bytes
Disk /dev/sdp: 419 MB, 419430400 bytes
Disk /dev/sdq: 419 MB, 419430400 bytes
Disk /dev/sdr: 419 MB, 419430400 bytes
Disk /dev/sds: 419 MB, 419430400 bytes
Disk /dev/dm-0: 22.5 GB, 22515023872 bytes
Disk /dev/dm-1: 4194 MB, 4194304000 bytes

(500MB data, 400MB flash)

Looking at environment of the new celladmin user, it could be found an interesting variable that define where the cellsrv process will search for disks:

[root@stocell1 unix]# echo $T_WORK
/opt/oracle/cell11.2.3.2.1_LINUX.X64_130109/disks

Under that path a new folder is needed (raw) and symbolic link to “real” disks should be created

cd /opt/oracle/cell11.2.3.2.1_LINUX.X64_130109/disks
mkdir disks
mkdir disks/raw
cd disks/rawln -s /dev/sdb stocell1_DISK01
ln -s /dev/sdc stocell1_DISK02
ln -s /dev/sdd stocell1_DISK03
ln -s /dev/sde stocell1_DISK04
ln -s /dev/sdf stocell1_DISK05
ln -s /dev/sdg stocell1_DISK06
ln -s /dev/sdh stocell1_DISK07
ln -s /dev/sdi stocell1_DISK08
ln -s /dev/sdj stocell1_DISK09
ln -s /dev/sdk stocell1_DISK10
ln -s /dev/sdl stocell1_DISK11
ln -s /dev/sdm stocell1_DISK12
ln -s /dev/sdn stocell1_FLASH01
ln -s /dev/sdo stocell1_FLASH02
ln -s /dev/sdp stocell1_FLASH03
ln -s /dev/sdq stocell1_FLASH04
ln -s /dev/sdr stocell1_FLASH05
ln -s /dev/sds stocell1_FLASH06

Next: Start and use storage cell software to configure cell disks, flash disks, grid disks

/*+ esp */

6 thoughts on “Prepare some virtual disks

  1. Pingback: Add storage cell software « Dba Esp

  2. Pingback: Exadata Virtual Test Environment for OCE Prep – storage cell node | Dba Esp

  3. Hi

    As per above steps Do I need to create disks/raw folder under “/opt/oracle/cell11.2.3.2.1_LINUX.X64_130109/disks/” or “/opt/oracle/cell11.2.3.2.1_LINUX.X64_130109/”

    Regards,
    Kiran

  4. Hi,

    Do we need to create first asmdisk before grid installation? if yes please let me how to proceed.

    Thanks
    Pradeep

  5. how to create flash disk ? i had followed complete steps but cellsrv not able to create flash

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