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    Wednesday, April 17, 2013

    How to change default snapshot location in VMware ESXi 5

    Be default the snapshots which are taken for any vm are stored with their parent in the same directory or storage. Sometimes you may run out of space and you might not be able to take anymore snapshots so in that case you can always use some other location for the storage of snapshots.

    But how will you change the default locations of all the snapshots which will be taken for any vm ?

    These are the required steps to be taken:

    NOTE: Please ensure that the vm you are working on is powered OFF.

    Right Click the vm and select Edit Settings

    Click on Options from the top TAB, select General and open the Configuration parameters

    Add a new row with the following details
    Save this parameter with a value "true" as shown below

    Now open the CLI of the host where the vm is located

    Go to the vm's parent directory where all the vm files are stored and open the main .vmx file
    As in my case
    # cd /vmfs/volumes/50925c85-54a206c1-a9e5-d4ae526b9890/test_XP
    # vi test_XP.vmx

    Now add this line anywhere in the .vmx file with the path location where you want your snapshots to be stored
    workingDir = "/vmfs/volumes/50925be7-ea8ab367-d40d-d4ae526b9890/snapshots"
    Save the file and exit

    Now you need to reload this vm to make the changes take affect.
    # vim-cmd vmsvc/getallvms | grep test_XP
    56 test_XP [iSCSI-Datastore15] test_XP/test_XP winXPProGuest vmx-07

    Here 56 is the vm id which you can find out using the above command
    # vim-cmd vmsvc/reload 56
    Now when you take snapshots the snapshot files and vm swap files will be created in a different location.

    How to redirect vm's swap file

    In case you do not want vm swap file to be redirected to another location and you want it to the same parent directory.

    Add an extra parameter in the Configuration Parameter option shown above
    For example
    Save the settings and exit. Now each time you take snapshot the snapshot files and vm swap files will be saved at specified different location.

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