RAC Attack - Oracle Cluster Database at Home/RAC Attack 12c/Create Virtualbox Shared Storage

Shutdown the server: [root@collabn1 ~]# shutdown -h now Broadcast message from root@collabn1.racattack (/dev/pts/0) at 9:06 ... The system is going down for halt NOW! In the VirtualBox Manager, select the machine collabn1, click Settings -> Storage. Select Controller SATA and click on the Add Hard Disk button: Virtualbox 4: Create Shared Storage - Add Hard Disk Click on Create New Disk: Virtualbox 4: Create Shared Storage - Select New Disk Leave VDI (VirtualBox Disk Image) selected and click Next. RA-vbox 4214-create vm-primary hard disk type For the shared storage, select Fixed size and click Next. Virtualbox 4: Create Shared Storage - Fixed Size Change the location of the file to the folder racattack12 previously created. Enter asm1.vdi as disk name. Enter 5.00Gb as disk size. Click Create. Virtualbox 4: Create Shared Storage - Disk Name and Size Now the disk is physically created with a size of 5Gb, so it can take more time to complete. Virtualbox 4: Create Shared Storage - Creation in progress Repeat the steps to create three more disks: asm2.vdi (5.00GB) asm3.vdi (5.00GB) asm4.vdi (5.00GB) Finally, four virtual disks should have been created for asm. Click OK. Virtualbox 4: Create Shared Storage - 4 disks created Make all the asm devices sharable: from VirtualBox Manager, click File -> Virtual Media Manager. Virtualbox 4: Create Shared Storage - virtual media manager For each asm devices: right-click -> Modify: Virtualbox 4: Create Shared Storage - virtual media manager modify Select Shareable and click OK. Do it for the four asm devices. Virtualbox 4: Create Shared Storage - virtual media manager shareable Start the machine collabn1. You should see now four more disks named /dev/sd*: [root@collabn1 ~]# ls -l /dev/sd* brw-rw----. 1 root disk 8, 0 Jul 28 10:16 /dev/sda brw-rw----. 1 root disk 8, 1 Jul 28 10:16 /dev/sda1 brw-rw----. 1 root disk 8, 2 Jul 28 10:16 /dev/sda2 brw-rw----. 1 root disk 8, 16 Jul 28 10:16 /dev/sdb brw-rw----. 1 root disk 8, 32 Jul 28 10:16 /dev/sdc brw-rw----. 1 root disk 8, 48 Jul 28 10:16 /dev/sdd brw-rw----. 1 root disk 8, 64 Jul 28 10:16 /dev/sde Prepare Linux for Oracle Configure Storage Persistent Naming