How to share device in a cluster across multiple hosts?

Solution In Progress - Updated -


  • 1) Clustering requires a storage device to be shared across nodes. Currently OpenStack doesn't support sharing cinder volumes across multiple nodes. Multiple_attach_Volume
  • 2) Veritas requires SCSI3 PGR support for IO fencing. It is unsure whether the ISCSI exports from cinder node do support SCSI3 PGR or not.


  • Red Hat OpenStack 5.0 on RHEL 7

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