Log Shipping breaking daily on SQL Server 2005

Posted by IT2 on Server Fault See other posts from Server Fault or by IT2
Published on 2011-06-25T18:54:05Z Indexed on 2011/06/27 8:24 UTC
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I am facing a somewhat serious problem with Log Shipping on SQL Server 2005 and I am having trouble to correct it, so I will try some help from SF's experts.

  • I have a Windows 2003 Server (PROD) that ships transactional log backups to another two servers:

    • STAND1: Windows 2003 Server with SQL Server 2005.
    • STAND2: Windows 2008 R2 Server with SQL Server 2005.
  • The problem is that Log Shipping to STAND2 is breaking for ~ 90 minutes some times of the day and returning back without intervention. The breaking occur at times when the backup file is larger (after reindexing, etc). I can see the message below logged on the COPY job:

*** Error: The specified network name is no longer available

The copy agent was breaking dozens times a day only to STAND2 server, and after the changes below "only" breaks ~ two times a day:

  • The frequency of the backup job was changed from 5 minutes to 10 minutes.
  • Instead of backing up the 4 databases to the same folder, the log backups are now saved on separated folders for each database.
  • The backup job doesn't run 24hs now, and only for 14 hours a day, when people are working on the database.
  • I configured the SQL Server instances on the three servers to limit the memory, leaving more memory to the OS.

Now I don't know what to do. Any help will be much appreciated! Thanks!

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