Managing Shared Disks

Chapter 4. Creating and activating virtual shared disks

Before you can do anything described in this or other chapters, you need to be authorized. See Establishing authorization.

This chapter tells you how to do the following tasks to establish your virtual shared disk environment:

• Designate nodes as virtual shared disk nodes.
• Define global volume groups.

  The create actions and commands do this step for you. You only need to explicitly do this if you intend to use the define actions or commands instead.

• Create or define virtual shared disks and hashed shared disks.
• Configure the virtual shared disks and hashed shared disks.
• Activate the virtual shared disks.

If you have just completed software installation or migration, you might be interested in the following subjects in this chapter:

• How to verify that you can write to a virtual shared disk.
• What to do after adding the IBM Recoverable Virtual Shared Disk component to a system where the IBM Virtual Shared Disk component has already been in use.