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Adding disks to a Shadow Image based backup environment….

Sooner or later, capacity of the existing Shadow Image becomes too constricting and it need to be extended. Usually, it happens after expansion of a file system in a volume group which is “Shadow Imaged”.
For some, the Shadow Image disk are local to the host which backup is taken with this mechanism. For others, Shadow Image disks are remote – located on the server that performs the actual backup of data. When the volume group runs out of capacity, and a new disk or disks (P-VOLs) have to be added to it, the identical addition has to be done to the set of disks which are the target of the Shadow Image operations and which are called the S-VOLs.

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