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Thread: Xen VM configuration files and VM Persistence

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  1. #1
    Join Date
    Oct 2012
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    Portland, Oregon
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    Question Xen VM configuration files and VM Persistence

    I have a bit of a quandry: I've migrated two PVM's away from the host system but they persist in Xend even though they are not active on the host; they're not in XenStore (/var/lib/xenstore/tdb), and; there are no configuration files for the VM's (in /etc/xen/vm):
    Code:
    xen2:~ # ls /etc/xen/vm
    sles11-1  sles11-1.xml
    
    xen2:~ # xm list
    Name                                        ID   Mem VCPUs      State   Time(s)
    Domain-0                                     0   502     2     r-----   6185.1
    oracle1                                          786     1                15.3
    oracle2                                          786     1                14.0
    
    xen2:~ # xenstore-ls | grep "name = "
       name = "Domain-0"
       name = "Pool-0"
      pool_name = "Pool-0"
      name = "Domain-0"
    Where is this information being stored?

    Eric Pretorious
    Truckee, CA

    From Chapter 3.1, Creating a Virtual Machine, of the SuSE manual Virtualization with Xen:

    The actual configuration file for the Xen guests that is used for the installation is stored at /etc/xen/vm/.
    From Chapter 3.5, Deleting Virtual Machines, also of the SuSE manual Virtualization with Xen:

    To delete all components of a virtual machine configured with a file-backed virtual disk, you must manually delete... its initial startup file (/etc/xen/vm).
    From Chapter 5.3, Configuring a Virtual Machine by Modifying its Xend Settings, also of the SuSE manual Virtualization with Xen:

    It is no longer recommended that you edit the initial start-up files stored in /etc/xen/vm, because they are used only during the creation of a new virtual machine.
    Last edited by epretorious; 26-Feb-2013 at 20:39. Reason: Added the hyperlink to the reference to Chapter 5.3 and the output of the xenstore-ls command

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