SQL 2008R2 instance taking long time to fail-over after SQL 2012 Upgrade.


hi,

i've 2-node cluster of windows 2008 r2 ent having multiple sql instances running. i've upgraded instance sql server 2012 sql server 2008 r2. ever since failover of other instances running sql server 2008r2 taking long time bring sql services online in cluster. , fails after 3 minutes (pending timeout default setting).

i've verified sql instance during state change (from offline online), found out sql server available time cluster not able change state , time out. there no information in cluster logs @ point of time.

have faced similar issue , pointer check further? can related cluster resource dlls updated while upgrading sql 2012?

looking forward cooperation.

regards,

divesh mathur

cluster check during sql upgrade


hello,

please review sql server error log from node where fails come online. sql server error log may give you the cause if sql server service not able start.
if sql server able start without errors, please check eventviewer , cluster logs for further analysis.

reference:view events , logs failover cluster

regards,
fanny liu

fanny liu
technet community support



SQL Server  >  SQL Server High Availability and Disaster Recovery



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