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Hyper-v VM going to saved state RRS feed

  • Question

  • I have a server 2008 r2 system with Hyper-V running a windows server 2008 standard VM.  The VM was converted from a physical system.  The system has been running without issue until this week.  The VM is now dropping to "Save" state and then starting back up.  This is causing a great deal of frustration for my client.  I have added the Hyper-V folders to the antivirus exclusion list.
    Wednesday, April 15, 2015 7:27 PM

Answers

  • Hi Sir,

    >>The VM is now dropping to "Save" state and then starting back up.  

    An online backup can be performed with no downtime on a running virtual machine when all of the following conditions are met:

    · Integration services are installed and the backup integration service has not been disabled.

    · All disks being used by the virtual machine are configured within the guest operating system as NTFS-formatted basic disks. Virtual machines that use dynamic disks or the FAT32 file system prevent an online backup from being performed.

    · Volume Shadow Copy Service must be enabled on all volumes used by the virtual machine with a specific configuration. Each volume must itself as the storage location for its shadow copies and that mapping must be available to the Hyper-V VSS writer. In other words, the shadow copy storage of C: should be on C:, the shadow copy storage of D: should be on D:, so on an so forth.

    If an online backup cannot be performed, then an offline backup is taken. This type of backup results in some degree of downtime. A variety of factors can affect the time required to take an offline backup. If the virtual machine is running or paused, it is put into a saved state as part of the offline backup process. After the backup is completed, the virtual machine is returned to its existing state.

    http://blogs.technet.com/b/virtualization/archive/2008/08/29/backing-up-hyper-v-virtual-machines.aspx

    Best Regards,

    Elton Ji


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    Thursday, April 16, 2015 4:47 PM
    Moderator