Online Data Manager (ODM) overview and installation

Quick installation

The Quick Installation option is the easiest to use. For each controller, Quick Installation gives you the option of either initializing or encapsulating all disks. If you want to encapsulate some disks on a given controller and initialize others, use Custom Installation instead.

Quick installation allows you to initialize disks on a controller, even if valid partitions are found on those disks. However, you should avoid selecting the initialize option for any disks containing valid data.

With encapsulation, the /etc/vfstab and /etc/swaptab files are updated to ensure that filesystems previously mounted on disk partitions will be mounted on volumes instead.

To use the Quick Installation option:

Select menu item 1 Quick Installation from the vxinstall main menu.
vxinstall asks you a series of questions for each controller and disk it finds connected to your system. When a default response is displayed in parentheses, press <Enter> to accept that default. At any of the vxinstall prompts, you can select q to completely abandon the initialization and start over.
All disks are encapsulated or initialized (according to your instructions) at the end of the vxinstall procedure. If you quit vxinstall before it enters its final phase of actually initializing or encapsulating the disks, all disks will be left as they were before vxinstall started.
At the following prompt, indicate whether to encapsulate your boot disk (this example assumes your boot disk is named c0b0t0d0):
```
   The c0b0t0d0 disk is your Boot Disk. You can not add
   it as a new disk. If you encapsulate it, you will make
   your root filesystem and other system areas on the
   Boot Disk into volumes. This is required if you wish
   to mirror your root file system or system swap area.
   
   Encapsulate Boot Disk [y,n,q,?] (default: n)
```
- If you enter n, your root and other filesystems will be left unaltered.
- If you enter y, vxinstall asks you to enter a disk name for the boot disk and press <Enter> to continue. vxinstall encapsulates your root filesystem as a volume, along with your swap device and all other disk partitions found on your boot disk. /home, /var, and any other filesystems on your boot disk are also encapsulated.
NOTE: If you are mirroring your swap device, we recommend that you set aside a dedicated dump slice to store possible system dumps. Otherwise, the system may not detect the presence of a system dump on the swap slice.

vxinstall now goes through each controller and asks you how to handle the disks contained on that controller. vxinstall begins this process for each controller by identifying the controller and generating a list of its disks:
```
   Generating list of attached disks on c1....
   The Volume Manager has detected the following disks
   on controller c1:
   c1b0t0d0 c1b0t1d0 c1b0t2d0 c1b0t3d0 c1b0t4d0
   
   Hit RETURN to continue.
```
If any disks are listed in the /etc/vx/disks.exclude file, they are listed here separately as excluded disks.

At the following prompt, indicate whether you want to initialize all the disks on the controller.

   Volume Manager Quick Installation For Controller c1 Menu:
   VolumeManager/Install/QuickInstall/c1
   
   Initialize all disks on this controller?
   (destroys data on these disks) [y,n,q,?] (default: n)

If you enter n, vxinstall assumes that you want to encapsulate all disks on the controller instead and displays the following:

Volume Manager will now try to encapsulate all the disks on this controller. Disks not having valid partitions will be initialized.

Hit RETURN to continue.

If you enter y, vxinstall prompts you for confirmation and warns you that this will destroy any existing data on the disks.
```
   Are you sure (destroys data on these disks)
   [y,n,q,?] (default: n)
```
NOTE: Be careful when using this option as it can result in data loss.

Enter y to continue with the disk initialization. The following message appears:
```
   Volume Manager will now initialize all the disks
   on this controller including disks having valid
   partitions.
   
   Hit RETURN to continue.
```

At the following prompt, indicate whether you want default disk names to be assigned to all of the disks on the controller.
```
   Use default disk names for these disks? [y,n,q,?] (default: y)
```
If you enter y, vxinstall automatically assigns and lists default disk names for each disk:
```
   The c1b0t0d0 disk will be given disk name disk01
   The c1b0t1d0 disk will be given disk name disk02
   The c1b0t2d0 disk will be given disk name disk03
   The c1b0t3d0 disk will be given disk name disk04
   
   Hit RETURN to continue.
```
If encapsulation was selected, this list also includes the following message for each disk that can be encapsulated
```
   The c1b0t0d0 disk has been configured for encapsulation.
```
or the following message for empty disks that will be initialized instead of encapsulated:
```
   The c3b0t2d0 disk appears to be empty.
   Adding as a new disk.
```
If you enter n, vxinstall prompts you for a disk name for each disk on the controller individually:
```
   Enter disk name for c1b0t0d0 [<name>,q,?] (default: disk01)
```
For each disk, respond with the desired disk name and press <Enter>.
When all of the disks on the current controller have been named, press <Enter> and repeat Steps 3 and 4 for the remaining controllers on your system.
When you have completed the vxinstall procedure for all controllers on your system, vxinstall displays a summary of the disks you have designated for initialization (New Disk) or encapsulation (Encapsulate) on each controller:
```
   The following is a summary of your choices.
   c0b0t5d0 New Disk
   c1b0t0d0 New Disk
   c1b0t1d0 New Disk
   c1b0t2d0 New Disk
   c2b0t2d3 New Disk
   c3b0t0d0 Encapsulate
   c3b0t1d0 Encapsulate
   c3b0t2d0 New Disk
   Is this correct [y,n,q,?] (default: y)
```
This is your last chance to review and alter your choices about how to handle any of the disks to be placed under Volume Manager control.
- If you enter y, vxinstall will encapsulate all disks listed with Encapsulate and initialize (destroying any existing data) all disks listed with New Disk.
- If you enter n, vxinstall prompts you for the name of a disk to be removed from the list and excluded from Volume Manager control:
```
   Enter disk to be removed from your choices.
   
   Hit return when done.
   

   [<name>,q,?]
```
  Enter the name of the disk to be removed from the list and press <Enter>. Repeat this for each disk to be removed. vxinstall should now display an updated summary without the disks chosen for removal. If you are now satisfied with the summary, enter y.
  After running vxinstall, you should shut down and reboot your machine immediately or at the earliest opportunity. Refer to ``Rebooting after vxinstall''.
  NOTE: Do not make any changes to your disk or filesystem configurations before shutting down and rebooting your system.
  
  If a shutdown is not required, vxinstall indicates successful completion of the installation:
```
   Installation is complete.
```