https://community.ibm.com/community/user/blogs/sandeep-patil1/2019/06/06/upgrading-ibm-spectrum-scale-sync-replication-stretch-cluster-setup-in-pureapp
Upgrading IBM Spectrum Scale sync replication / stretch cluster setup in PureApp
Use case : In a GPFS stretch cluster / GPFS synchronous mirroring setup (which consist of 2 sites with 3rd site as tie breaker) with shared storage deployment
cluster setupupgradingibmspectrumscale