Any scheduled tasks in Windows or within SQL? Or, a task running against SQL (maybe check other servers or workstations that reference the cluster for their DBs for scheduled tasks). Could also fire up a performance and netmon capture during the timeframe to see if anything jumps out at you.
From: Ziots, Edward [mailto:[email protected]] Sent: Friday, February 18, 2011 5:49 AM To: NT System Admin Issues Subject: Sounding board on issue we are seeing with a Windows 2003 Cluster with SQL 2005 I have a two node X64bit Windows 2003 SP2 enterprise edition cluster running SQL 2005 Standard Edition 64bit. What I am seeing is event ID's 1123, 1124 in the event logs on each Cluster Node, and we are getting complaints of disconnects from the database. We are seeing it happen around 5:50-6:00pm each night. ( shows in the cluster log and we seen it via pings) 1) We have eliminated the backup of the server, which happens at 3:30am in the morning ( via Legato) 2) I have gone through with Microsoft Support the entire KB 892422. Which covers these errors. 3) I have switched out the cables to the public and the private NIC's with no change in issues. 4) RSS/TCP Chimney are disabled in the registry and on the NIC's on each node. 5) NIC Drivers are the latest from HP Site ( NC373i) and EMC Powerpath software 5.3 SP1 for the SAN disk on each node. Basically we are pinging the Owning Node server from our workstations and we loose about 5-10 pings during this time, on both the primary and the secondary nodes of the cluster. ( both are into the same Cisco Switch 45xx) We also was pinging each of the servers from each other ( both on the same switch/VLAN) and we also saw the ping loss at the same time. Only idea I had is to move the public NIC's to another switch to eliminate the switch as the point of contention, or get new hardware and migrate the databases off this cluster and decommission it. I checked other cluster nodes connected to these switches ( 32bit) and we don't see this problem. Anything I might be missing or overlooked? Questions, or bouncing some ideas off the wall is appreciated... Z Edward E. Ziots CISSP, Network +, Security + Network Engineer Lifespan Organization Email:[email protected] Cell:401-639-3505 ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected]<mailto:[email protected]> with the body: unsubscribe ntsysadmin ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
