2013-05-21 01:31 PM
We have a production FAS3210 (Ontap 8.1.2P1 7-Mode) HA Cluster connected to a pair of DS4243 SAS shelves. We are replacing the heads with a FAS3220. The aggregates are all divided into NFS volumes and exports (4 X 1TB and 1 X 2TB on each shelf). Each controller owns one shelf and partners the other shelf.
Each export is a VMware ESXi 4.1 datastore. All our servers are virtualized on these datastores - production, testing, sandboxes - most are Linux, but a few are Windows Server 2008R2. The VMware vCenter server is a virtual guest as is the external Oracle 11gR2 external database server for vSphere and vUM used by vCenter and Update Manager. There is no other storage system to migrate these vmdk. The VMware is set up for high availability (vMotion and Storage vMotion).
It may or may not matter, but the compute platform is Cisco UCS with fabric interconnects.....and the NetApp is connected there on 10GB and 1GB IP ports.
I am certain I am not the first inadequately experienced systems overseer to have to plan out the downtime maintenance window and processes to perform this head swap, so I am reaching out to the community for advice and warnings from experience.
I think that I should:
I am sure there are details missing - and maybe things that need not be done - so I am interested in feedback from all who have walked this process before me.
2013-05-28 08:36 AM
I found the doc in the link below very useful when I did this :-
It details the entire process and for different scenarios, in particular reusing the existing vol0 or using the new one etc.