With reference to this: 

http://social.technet.microsoft.com/Forums/en-US/sharepoint2010general/thread/b639322c-e176-4bac-ad97-417dfc292232

Again SP has lost the portals site collection (one) - once a week - it disappears - why is this happening? 

Friday it works perfect....saturday or sunday something happens that are deleting the site collection of one of 3 portals..  

• Edited by JmATK Sunday, May 06, 2012 7:26 PM

Hi,

Check WSS Content database of this site collection if has any problem in space or logs

Hi Fadi 

Can you be more specific ? -  

It must be a timer job that causes this! - second time it happens...  Can the "Dead site delete" cause this? (the portal ain't dead...) 

• Edited by JmATK Monday, May 07, 2012 5:45 AM

Hi James,

Please go to Central Administration --> Application Management --> Site collections --> Confirm Site use and deletion and check if site collection automatic deletion was enable.

Then go to Central Administration -->Monitoring --> Review job definitions-->Dead Site Delete(for the web application with problem) and check the last run time of this timer job.

Thanks

It's like this: 

And this for the "Dead site delete": 

 

So the problem must be something else then... unless SP has the delete flag enabled "behind the scenes"?

Anyone knows how I prevent any deletion in the next weekend ?  

• Edited by JmATK Monday, May 07, 2012 7:23 AM

Hi,

I remember I saw this similar issue somewhere, I would recommend to disable this timer job.

Thanks

I've now have disabled the "dead site delete" job on all... so I'll wait to see next weekend if it happens again..

• Edited by JmATK Monday, May 07, 2012 8:50 AM

Hi,

Did you find any fix ...  site collections automatic deletion. I am facing similar issues ... see the below link for the details.

http://social.msdn.microsoft.com/Forums/sharepoint/en-US/887ad6f9-864e-44fa-98c8-b655540e3bf4/site-collection-not-visible-and-not-accessible-after-moving-from-one-content-database-to-other-in?forum=sharepointgeneralprevious