Xen Development

Help us focus our efforts on Xen development! Please suggest things you think would make the Xen project more useful. More importantly, rate the improvements you think are the most important.

Please note that this forum is NOT for requests related to either XCP or XenServer. Requests or comments related to those projects will be deleted.

Suggestions can involve the core Xen tree, or in Linux or qemu.

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I suggest you ...

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  1. paravirtualized VM instead of DOCKER

    There is a huge problem on docker userspace virtualizaion, isolation is not possible and the underlying host is exposed on many ways, it would be perfect to have simple paravirtiualization with dockerfile for similar to creating docker images

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    • xl support for PVSCSI

      xm/xend supports PVSCSI, so xl should support it aswell.
      PVSCSI is useful for passing thru SCSI/FC/SAS tape drives, autoloaders, tape robots, backplane/chassis management devices, disk LUNs, or any other SCSI device to a Xen VM. In addition to passing thru single devices/LUNs PVSCSI can also passthru all devices/LUNs on a SCSI/FC/SAS host controller. PVSCSI can also be used for NPIV.

      More information about PVSCSI:
      http://wiki.xen.org/wiki/Paravirtualized_SCSI

      PVSCSI requires backend driver in dom0 kernel, and frontend driver in guest kernel. Suse's xenlinux forward-ported patches contain PVSCSI drivers, also for HVM guests (unmodied_drivers). Konrad's git tree has initial port of PVSCSI to pvops.…

      20 votes
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      • Automatic NUMA optimization

        NUMA systems are becoming more common; configuring such a system optimally and keeping it optimal is difficult. It would be nice if Xen could automatically place and move VMs according to current conditions to optimize performance.

        19 votes
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