I'm going to start off with some details about my environment so my question doesn't need to be too complex.
Two HP DL380 Gen 8 servers, each with two 4Gbps QLE2460 HBAs
Brocade Fiber Switches
3PAR F400 Storage
Two Windows Server 2008 R2 servers, (A and B) are clustered using MS Failover Clustering and contain Backup Exec 2012 cluster resources, File Server and Disk Drives. Virtual Volumes are attached from 3PAR F400 to provide corporate shares and are backed up to a Virtual Tape Library that is attached to StoreOnce (D2D) 4430.
I want to swap the HBAs on the two servers for 8Gbps cards but I'm afraid that several things will break. My plan is to change/replace the HBAs one by one (starting from inactive server) while rezoning on Fiber switches and reconfiguring the HOST in 3PAR F400 storage. Process would entail the following:
1. Power Down Inactive server
2. Unassign HBA1 WWN from Inactive server in 3PAR
3. Remove WWPN from Fiber Switch Alias
4. Install HBA8Gbps1
5. Add WWPN to existing Fiber Switch Alias
6. Assign HBA8Gbps1 WWN from Inactive server in 3PAR
7. Power on Inactive server
8. Check SanSurfer and rebind Target IDs
9. Shutdown Inactive server
10. Disconnect HBA2
11. Power on Inactive server
12. Fail resources over and verify nothing is broken
a. All Shares, Disks exist from 3PAR
b. All VTL media is presented
13. Fail resources back to original server
Complete steps for HBA2...and for other server.
Does anyone have any experience with swapping out HBAs in a similar environment without having to rebuild everything? Will my plan provide desirable results with minimal impact to the environment?
Please note I'm leaving out some of the small steps (Cluster Validation, Firmware and Drivers for HBA8Gbps...)
Thank you very much!