Xen and Ubuntu?

Posted by wag2639 on Super User See other posts from Super User or by wag2639
Published on 2011-01-31T03:48:53Z Indexed on 2011/01/31 7:28 UTC
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Filed under:

virtualization

|

ubuntu-server

|

xen

How does one properly approach having Ubuntu servers on a Xen hypervisor? I don't have any experience with RAID or Xen other than from a theoretical level.

Additional requirements:

Use with mdadm Software RAID 5 (can be on separate disks) that multiple instances with access
Paravirtualized Ubuntu Server guests instances

Possible ideas for now:

Ubuntu host (dom0) with ubuntu-xen-server package (this purportedly isn't supported)
- dom0 host will "own" RAID 5 partition
- More Ubuntu servers as guests
Citrix XenServer bare-metal host
- XenServer will own RAID
Citrix XenServer bare-metal host
- Ubuntu guest instance creates and owns RAID

Questions and concerns:

Can Ubuntu be used as a dom0 Xen host?
Can XenServer install packages such as mdadm and create a partition?
Can multiple guest access (R + W) to the same data partition (RAID)?

Note: since it may have a bearing on support, I'm referring to Ubuntu Server 10.04

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