Capacity of a gluster volume that shares the same disk or partition for bricks with another volume

Solution Verified - Updated -

Issue

Assume a cluster with 2 nodes. Assume each node has a disk of 10TB available for creating a gluster volume (a single partition of 10TB).

Assume 2 distribute volumes are created, each with 2 bricks (one brick from each node).

If the size of the volumes is checked (df of the clients which have mounted the above volumes), then both of them are shown to have a size of 20TB

But since the disk on each node is just 10TB which is shared by the 2 bricks belonging to the different volumes, should not the size be 10TB?

Environment

  • RHS-3.0
  • RHGS-3.1

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