The SAN host(s) may require remediation.
First validate the config against the IMT, then perform any required updates.
-Lack of MPIO, or misconfigured MPIO (if cDOT)
-misconfigured CFO (if 7mode)
-misconfigured network switch (spanning-tree/portfast)
-Unsupported SAN host
If this post resolved your issue, help others by selecting ACCEPT AS SOLUTION or adding a KUDO.