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Setting up Virtual disk multipathing for guest domain clusters in multiple root IO domains OVM serve

edited May 2, 2016 2:22PM in Oracle Solaris Cluster (MOSC) 6 commentsAnswered ✓

Hi there,

I'm planning to add alternate root IO domains to my T5-4 OVM servers.

At the moment there are multiple OSC clusters running on them, all Guest domain clusters (Oracle Solaris Cluster running in guest domains).

According to the compatibility guide for OSC 4, setting multipathing mpgroups for virtual disks proposed for cluster node, is not supported.

If I cannot configure mpgroups for a LUN virtualized through both root IO domains ( primary CDOM and secondary IO domains ), I should have to enable MPXIO at the guest domains what it is the opposite to the cluster install guidelines says:

    "Oracle Solaris I/O multipathing – Do not run Oracle Solaris I/O multipathing software (MPxIO) from guest domains. Instead, run Oracle Solaris I/O multipathing software in the I/O domain and export it to the guest domains."

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