https://community.hpe.com/t5/disk-enclosures/known-issues-with-different-firmware-vcss/m-p/4087028#M25178 From engineering notes I receive every upgrade, you cannot stay with mixed firmware version more than 7 days.<BR /><BR />You should step one version on each eva before going to the next one. Tue, 16 Oct 2007 11:06:14 GMT Ivan Ferreira 2007-10-16T11:06:14Z https://community.hpe.com/t5/disk-enclosures/known-issues-with-different-firmware-vcss/m-p/4087027#M25177 Hi,<BR /><BR />I want to know if there are any known problems with CA replication between EVA5000 to EVA3000<BR />when either are different VCS versions<BR /><BR />I will be performing an upgrade to each eva from 3.025 to 3.028 and then the next stage to 3.110.<BR /><BR />During the process only one EVA will be upgraded at a time, so the EVA5000 can be on VCS 3.025 and the EVA3000 on 3.028.<BR /><BR />Please let me know if you know of any issues. Tue, 16 Oct 2007 10:40:19 GMT https://community.hpe.com/t5/disk-enclosures/known-issues-with-different-firmware-vcss/m-p/4087027#M25177 Roy Cohen 2007-10-16T10:40:19Z https://community.hpe.com/t5/disk-enclosures/known-issues-with-different-firmware-vcss/m-p/4087028#M25178 From engineering notes I receive every upgrade, you cannot stay with mixed firmware version more than 7 days.<BR /><BR />You should step one version on each eva before going to the next one. Tue, 16 Oct 2007 11:06:14 GMT https://community.hpe.com/t5/disk-enclosures/known-issues-with-different-firmware-vcss/m-p/4087028#M25178 Ivan Ferreira 2007-10-16T11:06:14Z