i want to upgrade 2 chassis 41000 that run R76SP.30 for a new version R77.30 ( i'm not sure )
in this chassis there is more than 8 clusters run R77.30 version .
1) i want to konw with whish vesrsion can i upgrade this chassis
2) i have also all the cluster on the active/active mode ( i don't know why but the chassis are on the active standby )
if i upgrade the chassis could you please tell if the production will be impacted .