ASM Disks and Disk Groups
The first task in building the ASM infrastructure is to discover and place disks under ASM management. This step is best done with the coordination of storage and system administrators. In storage area network (SAN) environments, it is assumed that the disks are identified and configured correctly—that is, they are appropriately zoned or “LUN masked” within the SAN fabric and can be seen by the operating system (OS). Although the concepts in this chapter are platform generic, we specifically show examples using the Linux or Solaris platforms.
ASM Storage Provisioning
Before disks can be added to ASM, the storage ...

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