Specifications

1
Introduction to the update process
11
Upgrade support policy
ThissectiondescribestheRadisysgeneralsupportpolicy regardingupgradeversion
compatibilitieswhenupgradingfromoneATCAsystemreleaseversiontoanother.This
generalsupportpolicyoutlineswhichupgradescanbecompletedwithoutrequiringan
intermediatestep,andwhichdorequireanintermediateupgradestep.
UndiscovereddefectsinpreviousreleasesmaypreventRadisysfrommeetingtheseupgrade
objectives.Anydeviationfromthispolicywi ll benotedinthereleasenotesforthatrelease.
Note:Insomecases,anexamplemaynotrefertoaspecificPromentumrelease.Contact
RadisysSupportforapplicablereleasesforthatsituation.
Upgrades not requiring an intermediate step
•Fromthepreviousminorrelease
Example:UpgradingATCA3.7.0toATCA3.8.0.
•Fromthepreviousmaintenancerelease
Example:UpgradingATCA4.1.1toATCA4.1.2.
•Frommaintenancereleasesbetweenthepreviousminorreleaseandtheprevious
maintenancerelease
Example:UpgradingATCA4.1.1toATCA4.1.x.
•Fromthelatestmaintenancereleaseofthe previousmajorseries
Example:UpgradingATCA3.x.xtoATCA4.2.0.
(ATCA3.x.xisthelates tmaintenancereleasefortheATCA3.x.xseries)
•Fromthefactory‐programmedversionsinplaceatthetimeofthesoftwarerelease
Example:UpgradingthecurrentmanufacturingprogrammedversionofATCA4.0.0to
ATCA3.8.0.
Upgrades requiring an intermediate step
•Fromspecificoldermajorreleases:
• UpgradingATCA3.5.0toATCA4.2.0requiresanintermediateupgradesteptothe
latest3.x.xmaintenancerelease.
• UpgradingATCA3.5.3toATCA4.1.1requiresanintermediateupgradesteptoATCA
4.0.0first.
•Fromspecificolderminorreleasesinthesamemajorseries
Example:UpgradingATCA4.0.0toATCA4.2.0requiresanintermediateupgradestepto
thelatestminor release(ATCA4.1.0).