SQL Server with Mr. Denny:

vCenter

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February 19, 2014  2:00 PM

Old vSphere, Large VMs, and Some Really “Funky” Problems



Posted by: Denny Cherry
SQL, SQL Server, Storage, vCenter, Virtualization, VMware, vSphere 4.1, vSphere 5.0, Windows 2008 R2

[caption id="attachment_3110" align="alignright" width="346"]RAM Chips Courtesy...

July 10, 2013  7:00 AM

Preventing Locking, Blocking and Deadlocks in the vCenter database



Posted by: Denny Cherry
SQL Server, vCenter

As our VMware environments become larger and larger with more and more hosts and guests more thought needs to be given to the vCenter...


July 5, 2012  6:31 PM

VMworld needs to provide more feedback to session submitters



Posted by: Denny Cherry
Database, SQL, SQL Server, Tech Ed, vCenter, Virtualization, VMware, VMworld, VMworld 2012, vSphere 5.0

I've submitted a lot of sessions to a lot of conferences over the years.  And while the feedback from some of the conferences is a little cryptic thanks to the review team only having access to canned responses, it'll do.  Now personally I'd love to get specific feedback saying exactly why my...


June 4, 2012  2:00 PM

VMware vCenter Performance Tuning



Posted by: Denny Cherry
Index Performance, Nonclustered Index, SQL Server, vCenter, VMware

As hopefully everyone that is using VMware's vSphere in either data center knows VMware's vCenter runs off of a Microsoft SQL Server database (by default).  Now as good as they guys at VMware are at building a virtualization platform there database leave a little to be desired.  I've identified a...


November 21, 2011  2:00 PM

Disk Design for vCenter database



Posted by: Denny Cherry
Performance, SQL Server, Storage, vCenter, VMware

Like all databases the VMware vCenter database needs to have the disks configured properly for best possible performance.  Don't get me wrong, if you've got a very small vCenter database that's only a couple of gigs in size then the disk size isn't all that big of a...


October 31, 2011  2:00 PM

VMware’s vCenter and SQL Server Database Backups



Posted by: Denny Cherry
Backup & recovery, SQL Server, vCenter, VMware

VMware's vCenter system uses SQL Server as it's default database platform.  One thing that needs to be looked into for a lot of VMware installations is the backup setup for the vCenter databases.  Often I find the vCenter databases configured in SIMPLE recovery.  Now this doesn't mean that the...


October 20, 2011  2:00 PM

What changing the recovery mode of your vCenter database really means



Posted by: Denny Cherry
Recovery, vCenter, VMware

Apparently one of the things that VMware's support department will often recommend that people do is to change the recovery mode of the vCenter database within SQL Server from FULL to SIMPLE recovery because it will magically make a lot of disk problems go away.  While this is true, your disk...


September 2, 2011  2:00 PM

VMworld Day 4



Posted by: Denny Cherry
Performance Problems, vCenter, VMware, VMworld, VMworld 2011

Thursday was the final day of VMworld.  Like with all conferences I'm sad that it's over, but I'm damn glad that it's over.  These things are just exhausting to go to. Today was an interesting (and short) day.  On the final day of VMworld, VMware has decided that they won't give a product...


August 23, 2010  11:00 AM

Make sure you restart vCenter after upgrading to Update 2



Posted by: Denny Cherry
vCenter, VMware

So I recently upgraded by VMware vCenter server from 4.0 U1 to 4.0 U2 and ran across a little problem. After I upgraded I couldn't attach any hosts to the vCenter server.  It kept telling me that vCenter couldn't talk to the host even though it could. After digging into the logs we saw that...


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