In-place upgrade of SQL Server Cluster (incl. OSver)


hi there,

we planning upgrade our platform versions of o/s , sql cluster (windows server 2008 r2 enterprise + sql server 2008 r2 sp3 standard) (windows server 2012 sp3 enterprise + sql server 2012 sp3 standard).

could please advise on hurdles might encountered during rolling upgrade. more re; sql server cluster upgrade.  assuming cluster settings resolved existing configuration.ini or there new h/a configuration end-points need configured outside original sql server 2008 r2 cluster installation.

from documentation, looks quite seamless,
https://technet.microsoft.com/en-us/library/ms191009%28v=sql.110%29.aspx?f=255&mspperror=-2147217396

current elements of sql 2008 r2 cluster configuration,
features=sqlengine,replication,fulltext,ssms,adv_ssms

ssrs distributed server outside cluster, reportserver databases hosted on cluster, also upgraded same os/sql versions.

any information/guidance on process helpful. 

some initial concerns guided discussion:

  1. from understanding windows server cluster upgrade path previous versions not rolling upgrade upgrade process being blocked as result of configured cluster services , therefore needed have 1 node evicted, upgraded , cluster recreated recommended approach.  hoping not case 2008 r2 2012. 
  2. i'm hoping the sql server upgrade similar original install of sql server 2008 r2 sp3 cluster (same cluster settings) or need concerned more recent features of h/a groups/endpoints.
  3. also, should consider more recent version of sql server 2014.  i'm more versed 2012, looking @ 2014 , looks similar h/a feature compatibility of 2012.  no real need newer features @ time cluster sccm2012 @ moment.  further, of have sccm knowledge, let me know if there dependencies/hurdles in regards entire stack in cluster upgrade, please advise further.

thanks in advance,
pgwtech

hi pierson,

>>is upgrade sql 2008r2-2014sp2 similar of 2008r2-2012sp3 (in regards configured features , endpoints).

i’m aware upgrade process quite similar across versions. , it’s recommended review upgrade technical guide(2012, 2014) , run upgrade advisor before upgrade avoid potential issue.

>>another dependency on our end-of-life software assurances 2012 , 2014.  if sql2012 can take eol2023, can feel comfortable in selecting sql2012 going forward.

if understand correctly, question product lifecycle , should not answered here. typically(if remember correctly) sql server products gets 5years mainstream support plus 5years extended support lifecycle start date. more information, please visit site.

if have other questions, please let me know.

regards,
lin

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SQL Server  >  SQL Server Setup & Upgrade



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