https://community.hpe.com/t5/storevirtual-storage/problems-with-san-iq-upgrade-for-hp-p4000/m-p/4744328#M9575 Sounds like the Manager Service is not started on SAN01. Sat, 29 Jan 2011 12:20:47 GMT Uwe Zessin 2011-01-29T12:20:47Z https://community.hpe.com/t5/storevirtual-storage/problems-with-san-iq-upgrade-for-hp-p4000/m-p/4744327#M9574 When I try to upgrade with Centralized Management Console version 9 I get this error: Pre-installation test failed because management group 'mgmt-group' has the following issue: Taking system fom, san02 offline will cause a loss of quorum...<BR />Why is it taking down FOM and san02(I have san01 and san02)?<BR />Is it not possible to upgrade one at a time in CMC version 9? The FOM is already at version 9.<BR /><BR />Thanks! Wed, 26 Jan 2011 22:46:09 GMT https://community.hpe.com/t5/storevirtual-storage/problems-with-san-iq-upgrade-for-hp-p4000/m-p/4744327#M9574 Raymond Østrem 2011-01-26T22:46:09Z https://community.hpe.com/t5/storevirtual-storage/problems-with-san-iq-upgrade-for-hp-p4000/m-p/4744328#M9575 Sounds like the Manager Service is not started on SAN01. Sat, 29 Jan 2011 12:20:47 GMT https://community.hpe.com/t5/storevirtual-storage/problems-with-san-iq-upgrade-for-hp-p4000/m-p/4744328#M9575 Uwe Zessin 2011-01-29T12:20:47Z