Bug 851237

Description of problem:

Gluster CLI doesn't have an interface that facilitates setting of multiple options in one go, which can be grouped by a purpose. ie., if the storage admin wants to set a group of options in order to favour certain work loads like volumes serving VM images, small files etc, she should remember them everytime such a volume is created and apply those options onto the volume.

One way to solve the above 'gap' is as follows,
#gluster volume set VOLNAME group virt

Here "group" is a special (reserved) key. "virt" would be the name of the file under /var/lib/glusterd/groups, which contains the options that need to be set on a volume. The file must be of the following format,

key1=value1
key2=value2
[...]

The admin has the flexibility of grouping her own options under a group name, like "virt" in the above example and applying it to volumes wherever applicable. She could also modify what options (and values) of a group, but should remember that the updated values don't take effect to the volumes that were 'set' with the group options prior to the update.



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