The volumes in the system storage pool have these limitations:
- All volumes in the system storage pool must be of the same type of backend
storage device and must be one of the supported IBM® storage subsystems. You can use IBM TotalStorage® SAN
Volume Controller to provide mixed storage as long as only the SAN Volume
Controller virtual devices are visible to the cluster.
- All volumes in the system storage pool must be visible to all metadata
servers in the cluster.
- Each volume in the system storage pool must be at least 2 GB in size.
- The system storage pool is limited to 126 dual-path volumes.