Forum Discussion
TomSu_93471
Jan 30, 2012Nimbostratus
Splitting 2 production Viprion clusters(active-stdby) into two..
Hi,
I need to split 2 production Viprion clusters (redundant pair -Active/Stdby) into two standalone clusters.
Since this is Active-Stdby config I suppose I could just force offline the stdb...
TomSu_93471
Feb 07, 2012Nimbostratus
no I don't have to remove them. It is up to me to decide. The reason I wanted to do this is to have as clean config as possible and I wasn't sure how the floating IPs will behave in a singleDevice mode? For example looking into conf files I found out that normal self IPs are in bigip_base.conf whereas the floating ones are kept in bigip.conf which is shared config in redundant mode I think. So was wondering if they will not be deleted when changing to SingleDevice?
Also looking into conf guides:
"
The Floating IP setting appears on the screen only when the BIG-IP system
is configured as a unit of a redundant system. For more information on
configuring a redundant system, see Chapter 20, Configuring High
Availability.
"
so not sure what will be shown on the GUI when switch to standalone done? I would like to avoid situation when GUI shows one thing to the user and SCF/conf files have something more or different. Additionally software is usually written to work in a predictable configuration sets. Keeping floating IPs with a SingleDevice mode looked to me as a very non standard thing and I'm still having concerns if this will not unveil some software bugs or issues later. Also If config gets messy then it can fog some thigns and comlpicate life later.
But because of this IP reconfiguration traffic loss will occur I might get into more seriuos problems (stp recalculation,arp caches to expire, ipmp failovers on back-end servers etc.) I think I would leave those flaoting IPs as they are if I only know for sure that they will work fine in SingleDevice mode and will not cause any config/upgrade issues later ?
Thanks very much for continued support on this,
Tom
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