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  1. #1
    Join Date
    Dec 2013
    Location
    Sydney, Australia
    Posts
    47

    Thumbs up Onapp - No local storage based cold migration feature

    Hi All,

    Long time lurker. First time I actually needed to ask something, so I signed up!

    We use Onapp (and love it!) for our VPS and Cloud Server offerings.

    Prior to Onapp we ran our local storage based VPS offering using the infamous HyperVM control panel.

    Now we have since moved our local storage VPS offering to Onapp, however one feature I miss from HyperVM is the ability to cold migrate a VM from one local storage HV to another local storage HV. Onapp does not support this, it does support hot / cold migrations when using shared storage.

    Wondering if anyone has come across this problem, or is also missing the feature and has come up with a decent work around?

  2. #2
    Join Date
    May 2011
    Location
    /root
    Posts
    598
    That is a limitation of OnApp and possibly does not yet have a work around. Hot and Cold Migration support is only available when data stores are shared. It is not really a problem for most practical stuff. Any specific reason why you want to use local storage ?
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  3. #3
    Join Date
    Dec 2013
    Location
    Sydney, Australia
    Posts
    47
    Quote Originally Posted by tecsys View Post
    That is a limitation of OnApp and possibly does not yet have a work around. Hot and Cold Migration support is only available when data stores are shared. It is not really a problem for most practical stuff. Any specific reason why you want to use local storage ?
    Thanks for the reply tecsys.

    We fill our local storage HV's to a particular memory and disk space % to allow for upgrades over time. However there is a scenario that could arise where at some point a particular HV may not have sufficient resources to fulfill an upgrade order. So the solution to that is to move the VM else where. In our case we can't, so we have to spin up a new VM on a new HV, which is inconvenient to the customer and time consuming for us.

    Further, there could be a scenario where we want to vacate an entire node to decommission for example.

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