Migrate to 11.2.1

1. There is a point in the manual where both the nodes go offline. We cannot affort to bring our network down.i never tested but thinking serial failover may be helpful.

 

 

Note: You can use serial failover only when the device group contains a maximum of two devices.

 

For a group with more than two devices, network failover is required. Also, if the hardware platform

 

is a VIPRION® platform, you must use network failover.Serial and network failover

 

http://support.f5.com/content/kb/en-us/products/big-ip_ltm/manuals/product/tmos-redundant-systems-config-11-1-0/_jcr_content/pdfAttach/download/file.res/tmos-redundant-systems-config-11-1-0.pdf

 

 

2. After the nodes come up, in the Config sync status, I see changes Pending, even though the logs say Sync completewhat is "tmsh show cm sync-status" output?